1297742992 is an even 10-digits composite number following 1297742991
and preceding 1297742993. In scientific notation, it is written as 1.297742992 × 10^9.
The sum of its digits is 52. It has a total of 8 prime factors and 80 positive divisors.
There are 511289856 positive integers (up to 1297742992) that are relatively prime to 1297742992.
Prime Factorization
2 × 2 × 2 × 2 × 7 × 13 × 263 × 3389
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
8 |
Total number of prime factors |
| rad |
Radical |
162217874 |
Product of the distinct prime numbers |
The prime factorization of 1297742992 is 2 × 2 × 2 × 2 × 7 × 13 × 263 × 3389.
Since it has a total of 8 prime factors.
1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 263, 364, 526, 728, 1052, 1456, 1841, 2104, 3389, 3419, 3682, 4208, 6778, 6838, 7364, 13556, 13676, 14728, 23723, 23933, 27112, 27352, 29456, 44057, 47446, 47866, 54224, 54704, 88114, 94892, 95732, 176228, 189784, 191464, 308399, 352456, 379568, 382928, 616798, 704912, 891307, 1233596, 1782614, 2467192, 3565228, 4934384, 6239149, 7130456, 11586991, 12478298, 14260912, 23173982, 24956596, 46347964, 49913192, 81108937, 92695928, 99826384, 162217874, 185391856, 324435748, 648871496, 1297742992
80 divisors
| τ |
Total Divisors |
80 |
Total number of the positive divisors of n |
| σ |
Sum of Divisors |
1 |
Sum of all the positive divisors of n |
| s |
Aliquot Sum |
-1297742991 |
Sum of the proper positive divisors of n |
| A |
Arithmetic Mean |
0.0125 |
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) |
| G |
Geometric Mean |
1 |
Returns the nth root of the product of n divisors |
| H |
Harmonic Mean |
80 |
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 1297742992 can be divided by 80 positive divisors.
The sum of these divisors (counting 1297742992) is 1, the average is 0.0125.