Prime Factorization |
32 x 13 x 17 |
Divisors |
1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989 |
Count of divisors |
12 |
Sum of divisors |
3276 |
Previous integer |
1988 |
Next integer |
1990 |
Is prime? |
NO |
Previous prime |
1987 |
Next prime |
1993 |
1989th prime number |
↻ calculating, please wait |
Is a Fibonacci number? |
NO |
Zeckendorf representation |
1597 + 377 + 13 + 2 |
Is a Pell number? |
NO |
Is a regular number? |
NO |
Is a perfect number? |
NO |
Is a perfect square number? |
NO |
Is a perfect cube number? |
NO |
Is power of 2? |
NO |
Is power of 3? |
NO |
Square 19892 |
3956121 |
Square root √1989 |
44.598206241956 |
Cube 19893 |
7868724669 |
Cubic root ∛1989 |
12.57606946915 |
Natural logarithm |
7.595387278854 |
Decimal logarithm |
3.2986347831244 |