Number 40
Prime factorization
Factorization |
2 *
2 *
2 *
5
|
Divisors |
1,
2,
4,
5,
8,
10,
20,
40
|
Count of divisors |
8 |
Sum of divisors |
90 |
Basic properties
Is prime? |
× NO
|
Previous integer |
39 |
Next integer |
41 |
Previous prime number |
37 |
Next prime number |
41 |
Reciprocal |
0.025 |
Square |
1600 |
Square root |
6.324555320336759 |
Natural logarithm |
3.6888794541139363 |
Decimal logarithm |
1.6020599913279627 |
Sine |
0.7451131604793488 |
Cosine |
-0.6669380616522619 |
Tangent |
-1.117214930923896 |
Expressions
Binary |
101000 |
Octal |
50 |
Hexadecimal |
28 |