Number 1290
Prime factorization
Factorization |
2 *
3 *
5 *
43
|
Divisors |
1,
2,
3,
5,
6,
10,
15,
30,
43,
86,
129,
215,
258,
430,
645,
1290
|
Count of divisors |
16 |
Sum of divisors |
3168 |
Basic properties
Is prime? |
× NO
|
Previous integer |
1289 |
Next integer |
1291 |
Previous prime number |
1289 |
Next prime number |
1291 |
Reciprocal |
0.000775193798449 |
Square |
1664100 |
Square root |
35.91656999213594 |
Natural logarithm |
7.162397497355718 |
Decimal logarithm |
3.110589710299249 |
Sine |
0.9300616563868934 |
Cosine |
-0.3674034775541302 |
Tangent |
-2.531444891535807 |
Expressions
Binary |
10100001010 |
Octal |
2412 |
Hexadecimal |
50a |