Number 9

Properties of the number

Number 9

of 9 = 0.09

×2 18 ×3 27 ×4 36 ×5 45 ×6 54 ×7 63 ×8 72 ×9 81 ×10 90 ×11 99 ×12 108 ×13 117 ×14 126 ×15 135 ×16 144 ×17 153 ×18 162 ×19 171 ×20 180

/2 4.5 /3 3 /4 2.25 /5 1.8 /6 1.5 /7 1.2857142857143 /8 1.125 /9 1 /10 0.9 /11 0.81818181818182 /12 0.75 /13 0.69230769230769 /14 0.64285714285714 /15 0.6 /16 0.5625 /17 0.52941176470588 /18 0.5 /19 0.47368421052632 /20 0.45

Parity

Odd

Is a prime number?

No

Next prime number

Is a composite number?

Yes

Is a semiprime number?

Yes

Is a linear number?

No

Is a square pyramidal number?

No

Triangular number

(T9)

Is an abundant number?

No, it's a deficient number

Is a Fibonacci number?

No

Count of divisors

3

Divisors

1 9 3

Sum of divisors

Multiplication of divisors

Factoring

(prime factors)

32

Factorial

Inverse number

0.11111111111111

Exponentiation

2 81 3 729 4 6561 5 59049 6 531441 7 4782969 8 43046721 9 387420489 10 3486784401

2 3 3 2.0800838230519 4 1.7320508075689 5 1.5518455739154 6 1.4422495703074 7 1.3687381066422 8 1.3160740129525 9 1.2765180070092 10 1.2457309396155 1.2210946234987

Square root and remainder

32 + 0

Is a perfect square?

Yes

Is a perfect cube?

No

Natural logarithm

(loge)

2.1972245773362

Common logarithm

(log10)

0.95424250943932

Binary logarithm

(log2)

3.1699250014423

Trigonometric functions and angles

Golden ratio

×φ 14.562305898749 /φ 5.5623058987491

9 degree

radian 0.157 gradian 10 minute of arc 540 second of arc 32400

9 radian

degree 515.662 gradian 572.958 minute of arc 30939.721 second of arc 1856383.256

Sine

(sin)

degree 0.15643446504023 radian 0.41211848524176

Cosine

(cos)

degree 0.98768834059514 radian -0.91113026188468

Tangent

(tan)

degree 0.15838444032454 radian -0.45231565944181

Cotangent

(cot)

degree -2.2108454109992 radian 2.1196177492469

Hyperbolic sine

(sinh)

degree 0.15772639417159 radian 4051.5419020828

Hyperbolic cosine

(cosh)

degree 1.0123623933248 radian 4051.5420254926

Hyperbolic tangent

(tanh)

degree 0.15580032922162 radian 0.99999996954004

π

(Pi)

π×9 28.274333882308 π×9 56.548667764616 π×92 508.93800988155

Number 9 in other bases

Roman

IX

Binary numeral system

(base 2)

1001

Hexadecimal numeral system

(base 16, hex)

9 0x9

Octal numeral system

(base 8)

11

Number 9 in other languages

In english language

nine

In spanish language

nueve

In italian language

nove

In german language

neun

In french language

neuf

In portuguese language

nove

In chinese language

In russian language

девять

In latin

by digits: novem

Time, length, weight, speed and temperature conversion

Time conversion

9 milliseconds (ms) is equal to 0.009 seconds (s), 0 minutes (min), 0 hours (hr).

9 seconds (s) is equal to 9000 milliseconds (ms), 0.15 minutes (min), 0.003 hours (hr), 0 days (d).

9 minutes (min) is equal to 540 seconds (s), 0.15 hours (hr), 0.006 days (d), 0.001 weeks, 0 months.

9 hours (hr) is equal to 32400 seconds (s), 540 minutes (min), 0.375 days (d), 0.054 weeks, 0.013 months, 0.001 years.

9 days (d) is equal to 777600 seconds (s), 12960 minutes (min), 216 hours (hr), 1.286 weeks, 0.3 months, 0.025 years.

9 weeks is equal to 90720 minutes (min), 1512 hours (hr), 63 days (d), 2.1 months, 0.173 years.

9 months is equal to 388800 minutes (min), 6480 hours (hr), 270 days (d), 38.7 weeks, 0.75 years.

9 years is equal to 4730400 minutes (min), 78840 hours (hr), 3285 days (d), 468 weeks, 108 months.

Length conversion

9 millimeters (mm) is equal to 0.9 centimeters (cm), 0.009 meters (m), 0 kilometers (km); 0.354 inches (in), 0.03 feet (ft), 0.01 yards (yd), 0 miles (mi), 0 nautical miles (NM).

9 centimeters (cm) is equal to 90 millimeters (mm), 0.09 meters (m), 0 kilometers (km); 3.543 inches (in), 0.295 feet (ft), 0.098 yards (yd), 0 miles (mi), 0 nautical miles (NM).

9 meters (m) is equal to 9000 millimeters (mm), 900 centimeters (cm), 0.009 kilometers (km); 354.33 inches (in), 29.529 feet (ft), 9.846 yards (yd), 0.006 miles (mi), 0.005 nautical miles (NM).

9 kilometers (km) is equal to 9000000 millimeters (mm), 900000 centimeters (cm), 9000 meters (m); 354330.711 inches (in), 29527.56 feet (ft), 9842.517 yards (yd), 5.594 miles (mi), 4.86 nautical miles (NM).

9 inches (in) is equal to 228.6 millimeters (mm), 22.86 centimeters (cm), 0.229 meters (m), 0 kilometers (km); 0.75 feet (ft), 0.25 yards (yd), 0 miles (mi), 0 nautical miles (NM).

9 feet (ft) is equal to 2743.2 millimeters (mm), 274.32 centimeters (cm), 2.743 meters (m), 0.003 kilometers (km); 108 inches (in), 3 yards (yd), 0.002 miles (mi), 0.001 nautical miles (NM).

9 yards (yd) is equal to 8229.6 millimeters (mm), 822.96 centimeters (cm), 8.227 meters (m), 0.008 kilometers (km); 324 inches (in), 27 feet (ft), 0.005 miles (mi), 0.004 nautical miles (NM).

9 miles (mi) is equal to 14484096 millimeters (mm), 1448409.6 centimeters (cm), 14484.096 meters (m), 14.481 kilometers (km); 570240 inches (in), 47520 feet (ft), 15840 yards (yd), 7.819 nautical miles (NM).

9 nautical miles (NM) is equal to 16668000 millimeters (mm), 1666800 centimeters (cm), 16668 meters (m), 16.668 kilometers (km); 656220.474 inches (in), 54685.035 feet (ft), 18228.348 yards (yd), 10.359 miles (mi).

Weight conversion

9 milligrams (mg) is equal to 0.045 karats (kt), 0.009 grams (g), 0 kilograms (kg), 0 ounces (oz), 0 pounds (lb).

9 grams (g) is equal to 9000 milligrams (mg), 45 karats (kt), 0.009 kilograms (kg), 0.317 ounces (oz), 0.02 pounds (lb).

9 karats (kt) is equal to 1800 milligrams (mg), 1.8 grams (g), 0.002 kilograms (kg), 0.063 ounces (oz), 0.004 pounds (lb).

9 kilograms (kg) is equal to 9000000 milligrams (mg), 45000 karats (kt), 9000 grams (g), 317.466 ounces (oz), 19.845 pounds (lb).

9 ounces (oz) is equal to 255145.707 milligrams (mg), 1269 karats (kt), 255.15 grams (g), 0.255 kilograms (kg), 0.563 pounds (lb).

9 pounds (lb) is equal to 4082331.33 milligrams (mg), 20411.658 karats (kt), 4082.328 grams (g), 4.082 kilograms (kg), 144 ounces (oz).

Speed conversion

9 kilometers per hour (km/h) is equal to 2.5 meters per second (m/s), 5.594 miles per hour (mph), 4.86 knots (kt).

9 meters per second (m/s) is equal to 32.4 kilometers per hour (km/h), 20.133 miles per hour (mph), 17.496 knots (kt).

9 miles per hour (mph) is equal to 14.481 kilometers per hour (km/h), 4.023 meters per second (m/s), 7.819 knots (kt).

9 knots (kt) is equal to 16.668 kilometers per hour (km/h), 4.63 meters per second (m/s), 10.359 miles per hour (mph).

Temperature conversion

9 degrees Celsius (°C) is equal to 48.2 degrees Fahrenheit (°F) and 282.15 degrees Kelvin (K).

9 degrees Fahrenheit (°F) is equal to -12.78 degrees Celsius (°C) and 260.37 degrees Kelvin (K).

9 degrees Kelvin (K) is equal to -264.15 degrees Celsius (°C) and -443.47 degrees Fahrenheit (°F).

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QR-code and barcodes of the number 9

QR code

QR code: 9

Code 39

(barcode)
Code 39: 9

Code 93

(barcode)
Code 93: 9

Code 128

(barcode)
Code 128: 9