Number 18
Prime factorization
Factorization |
2 *
3 *
3
|
Divisors |
1,
2,
3,
6,
9,
18
|
Count of divisors |
6 |
Sum of divisors |
39 |
Basic properties
Is prime? |
× NO
|
Previous integer |
17 |
Next integer |
19 |
Previous prime number |
17 |
Next prime number |
19 |
Reciprocal |
0.055555555555555 |
Square |
324 |
Square root |
4.242640687119285 |
Natural logarithm |
2.8903717578961645 |
Decimal logarithm |
1.255272505103306 |
Sine |
-0.7509872467716762 |
Cosine |
0.6603167082440802 |
Tangent |
-1.1373137123376869 |
Expressions
Binary |
10010 |
Octal |
22 |
Hexadecimal |
12 |