1279451680 is an even 10-digits composite number following 1279451679
and preceding 1279451681. In scientific notation, it is written as 1.279451680 × 10^9.
The sum of its digits is 43. It has a total of 9 prime factors and 72 positive divisors.
There are 472402944 positive integers (up to 1279451680) that are relatively prime to 1279451680.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 13 × 5 × 13 × 47317
Composite number
| ω |
Distinct Factors |
4 |
Total number of distinct prime factors |
| Ω |
Total Factors |
9 |
Total number of prime factors |
| rad |
Radical |
6151210 |
Product of the distinct prime numbers |
The prime factorization of 1279451680 is 2 × 2 × 2 × 2 × 2 × 13 × 5 × 13 × 47317.
Since it has a total of 9 prime factors.
1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 13520, 27040, 47317, 94634, 189268, 236585, 378536, 473170, 615121, 757072, 946340, 1230242, 1514144, 1892680, 2460484, 3075605, 3785360, 4920968, 6151210, 7570720, 7996573, 9841936, 12302420, 15993146, 19683872, 24604840, 31986292, 39982865, 49209680, 63972584, 79965730, 98419360, 127945168, 159931460, 255890336, 319862920, 639725840, 1279451680
72 divisors
| τ |
Total Divisors |
72 |
Total number of the positive divisors of n |
| σ |
Sum of Divisors |
1 |
Sum of all the positive divisors of n |
| s |
Aliquot Sum |
-1279451679 |
Sum of the proper positive divisors of n |
| A |
Arithmetic Mean |
0.013888888888889 |
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 |
72 |
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 1279451680 can be divided by 72 positive divisors.
The sum of these divisors (counting 1279451680) is 1, the average is 0.013888888888889.