628858728 is an even 9-digits composite number following 628858727
and preceding 628858729. In scientific notation, it is written as 6.28858728 × 10^8.
The sum of its digits is 54. It has a total of 8 prime factors and 72 positive divisors.
There are 209602080 positive integers (up to 628858728) that are relatively prime to 628858728.
Prime Factorization
2 × 2 × 2 × 3 × 9 × 81 × 3 × 11981
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
8 |
Total number of prime factors |
| rad |
Radical |
52404894 |
Product of the distinct prime numbers |
The prime factorization of 628858728 is 2 × 2 × 2 × 3 × 9 × 81 × 3 × 11981.
Since it has a total of 8 prime factors.
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2187, 2916, 4374, 5832, 6561, 8748, 11981, 13122, 17496, 23962, 26244, 35943, 47924, 52488, 71886, 95848, 107829, 143772, 215658, 287544, 323487, 431316, 646974, 862632, 970461, 1293948, 1940922, 2587896, 2911383, 3881844, 5822766, 7763688, 8734149, 11645532, 17468298, 23291064, 26202447, 34936596, 52404894, 69873192, 78607341, 104809788, 157214682, 209619576, 314429364, 628858728
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 |
-628858727 |
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 628858728 can be divided by 72 positive divisors.
The sum of these divisors (counting 628858728) is 1, the average is 0.013888888888889.