Properties of the number

Number length
Sum of digits
Multiplication of digits
of 389 = 3.89
/2 194.5 /3 129.66666666667 /4 97.25 /5 77.8 /6 64.833333333333 /7 55.571428571429 /8 48.625 /9 43.222222222222 /10 38.9 /11 35.363636363636 /12 32.416666666667 /13 29.923076923077 /14 27.785714285714 /15 25.933333333333 /16 24.3125 /17 22.882352941176 /18 21.611111111111 /19 20.473684210526 /20 19.45
Parity
Odd
Is a prime number?
Yes
Next prime number
Is a composite number?
No
Is a semiprime number?
No
Is a linear number?
Yes
Is a square pyramidal number?
No
Triangular number
(T389)Is an abundant number?
No, it's a deficient number
Is a Fibonacci number?
No
Is a Harshad number?
(Niven number)No
Count of divisors
Sum of divisors
Inverse number
0.0025706940874036
Exponentiation
2 151321 3 58863869 4 22898045041 5 8907339520949 6 3464955073649161 7 1347867523649523629 8 524320466699664691681 9 203960661546169565063909 10 79340697341459960809860601
2√ 19.723082923316 3√ 7.2998936620527 4√ 4.4410677683769 5√ 3.2960206220701 6√ 2.7018315384296 7√ 2.3441899526028 8√ 2.1073841055624 9√ 1.9398679952386 10√ 1.8154945943379 1.7196891997755
Square root and remainder
192 + 28
Is a perfect square?
No
Is a perfect cube?
No
Natural logarithm
(loge)5.9635793436184
Common logarithm
(log10)2.5899496013257
Binary logarithm
(log2)8.6036263449862