9780157260 is an even 10-digits composite number following 9780157259
and preceding 9780157261. In scientific notation, it is written as 9.780157260 × 10^9.
The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors.
There are 2576615808 positive integers (up to 9780157260) that are relatively prime to 9780157260.
Prime Factorization
2 × 2 × 5 × 3 × 3 × 83 × 654629
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
1630026210 |
Product of the distinct prime numbers |
The prime factorization of 9780157260 is 2 × 2 × 5 × 3 × 3 × 83 × 654629.
Since it has a total of 7 prime factors.
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4980, 7470, 14940, 654629, 1309258, 1963887, 2618516, 3273145, 3927774, 5891661, 6546290, 7855548, 9819435, 11783322, 13092580, 19638870, 23566644, 29458305, 39277740, 54334207, 58916610, 108668414, 117833220, 163002621, 217336828, 271671035, 326005242, 489007863, 543342070, 652010484, 815013105, 978015726, 1086684140, 1630026210, 1956031452, 2445039315, 3260052420, 4890078630, 9780157260
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 |
-9780157259 |
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 9780157260 can be divided by 72 positive divisors.
The sum of these divisors (counting 9780157260) is 1, the average is 0.013888888888889.