Prime Factorization |
23 x 5 |
Divisors |
1, 2, 4, 5, 8, 10, 20, 40 |
Count of divisors |
8 |
Sum of divisors |
90 |
Previous integer |
39 |
Next integer |
41 |
Is prime? |
NO |
Previous prime |
37 |
Next prime |
41 |
40th prime number |
↻ calculating, please wait |
Is a Fibonacci number? |
NO |
40th Fibonacci number |
102334155 |
Zeckendorf representation |
34 + 5 + 1 |
Is a Pell number? |
NO |
Is a regular number? |
YES |
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 |
Factorial 40! |
8.159152832479E+47 |
Square 402 |
1600 |
Square root √40 |
6.3245553203368 |
Cube 403 |
64000 |
Cubic root ∛40 |
3.4199518933534 |
Natural logarithm |
3.6888794541139 |
Decimal logarithm |
1.602059991328 |