812652021 is an odd 9-digits composite number following 812652020
and preceding 812652022. In scientific notation, it is written as 8.12652021 × 10^8.
The sum of its digits is 27. It has a total of 7 prime factors and 80 positive divisors.
There are 491287680 positive integers (up to 812652021) that are relatively prime to 812652021.
Prime Factorization
27 × 27 × 3 × 9 × 19 × 53 × 41
Composite number
| ω |
Distinct Factors |
6 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
30098223 |
Product of the distinct prime numbers |
The prime factorization of 812652021 is 27 × 27 × 3 × 9 × 19 × 53 × 41.
Since it has a total of 7 prime factors.
1, 3, 9, 19, 27, 41, 53, 57, 81, 123, 159, 171, 243, 369, 477, 513, 729, 779, 1007, 1107, 1431, 1539, 2173, 2187, 2337, 3021, 3321, 4293, 4617, 6519, 6561, 7011, 9063, 9963, 12879, 13851, 19557, 19683, 21033, 27189, 29889, 38637, 41287, 41553, 58671, 63099, 81567, 89667, 115911, 123861, 124659, 176013, 189297, 244701, 269001, 347733, 371583, 373977, 528039, 567891, 734103, 807003, 1043199, 1114749, 1584117, 1703673, 2202309, 3344247, 4752351, 5111019, 6606927, 10032741, 14257053, 15333057, 19820781, 30098223, 42771159, 90294669, 270884007, 812652021
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 |
-812652020 |
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 812652021 can be divided by 80 positive divisors.
The sum of these divisors (counting 812652021) is 1, the average is 0.0125.