812764900 is an even 9-digits composite number following 812764899
and preceding 812764901. In scientific notation, it is written as 8.12764900 × 10^8.
The sum of its digits is 37. It has a total of 7 prime factors and 72 positive divisors.
There are 289866240 positive integers (up to 812764900) that are relatively prime to 812764900.
Prime Factorization
2 × 2 × 5 × 17 × 5 × 19 × 25163
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
81276490 |
Product of the distinct prime numbers |
The prime factorization of 812764900 is 2 × 2 × 5 × 17 × 5 × 19 × 25163.
Since it has a total of 7 prime factors.
1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 850, 950, 1292, 1615, 1700, 1900, 3230, 6460, 8075, 16150, 25163, 32300, 50326, 100652, 125815, 251630, 427771, 478097, 503260, 629075, 855542, 956194, 1258150, 1711084, 1912388, 2138855, 2390485, 2516300, 4277710, 4780970, 8127649, 8555420, 9561940, 10694275, 11952425, 16255298, 21388550, 23904850, 32510596, 40638245, 42777100, 47809700, 81276490, 162552980, 203191225, 406382450, 812764900
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 |
-812764899 |
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 812764900 can be divided by 72 positive divisors.
The sum of these divisors (counting 812764900) is 1, the average is 0.013888888888889.