Number 1989
Prime factorization
| Factorization |
3 *
3 *
13 *
17
|
| Divisors |
1,
3,
9,
13,
17,
39,
51,
117,
153,
221,
663,
1989
|
| Count of divisors |
12 |
| Sum of divisors |
3276 |
Basic properties
| Is prime? |
× NO
|
| Previous integer |
1988 |
| Next integer |
1990 |
| Previous prime number |
1987 |
| Next prime number |
1993 |
| Reciprocal |
0.000502765208647 |
| Square |
3956121 |
| Square root |
44.59820624195551 |
| Natural logarithm |
7.595387278853972 |
| Decimal logarithm |
3.2986347831244354 |
| Sine |
-0.3633398764408664 |
| Cosine |
-0.9316566611085523 |
| Tangent |
0.3899933222272446 |
Expressions
| Binary |
11111000101 |
| Octal |
3705 |
| Hexadecimal |
7c5 |