397665792 is an even 9-digits composite number following 397665791
and preceding 397665793. In scientific notation, it is written as 3.97665792 × 10^8.
The sum of its digits is 54. It has a total of 12 prime factors and 80 positive divisors.
There are 131604480 positive integers (up to 397665792) that are relatively prime to 397665792.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 409 × 211
Composite number
| ω |
Distinct Factors |
4 |
Total number of distinct prime factors |
| Ω |
Total Factors |
12 |
Total number of prime factors |
| rad |
Radical |
1553382 |
Product of the distinct prime numbers |
The prime factorization of 397665792 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 409 × 211.
Since it has a total of 12 prime factors.
1, 2, 4, 8, 9, 16, 18, 32, 36, 64, 72, 128, 144, 211, 256, 288, 409, 422, 512, 576, 818, 844, 1152, 1636, 1688, 1899, 2304, 3272, 3376, 3681, 3798, 4608, 6544, 6752, 7362, 7596, 13088, 13504, 14724, 15192, 26176, 27008, 29448, 30384, 52352, 54016, 58896, 60768, 86299, 104704, 108032, 117792, 121536, 172598, 209408, 235584, 243072, 345196, 471168, 486144, 690392, 776691, 942336, 972288, 1380784, 1553382, 1884672, 2761568, 3106764, 5523136, 6213528, 11046272, 12427056, 22092544, 24854112, 44185088, 49708224, 99416448, 198832896, 397665792
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 |
-397665791 |
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 397665792 can be divided by 80 positive divisors.
The sum of these divisors (counting 397665792) is 1, the average is 0.0125.