664578560 is an even 9-digits composite number following 664578559
and preceding 664578561. In scientific notation, it is written as 6.64578560 × 10^8.
The sum of its digits is 47. It has a total of 12 prime factors and 80 positive divisors.
There are 254251008 positive integers (up to 664578560) that are relatively prime to 664578560.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 23 × 11287
Composite number
| ω |
Distinct Factors |
4 |
Total number of distinct prime factors |
| Ω |
Total Factors |
12 |
Total number of prime factors |
| rad |
Radical |
2596010 |
Product of the distinct prime numbers |
The prime factorization of 664578560 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 23 × 11287.
Since it has a total of 12 prime factors.
1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1280, 1472, 1840, 2560, 2944, 3680, 5888, 7360, 11287, 11776, 14720, 22574, 29440, 45148, 56435, 58880, 90296, 112870, 180592, 225740, 259601, 361184, 451480, 519202, 722368, 902960, 1038404, 1298005, 1444736, 1805920, 2076808, 2596010, 2889472, 3611840, 4153616, 5192020, 5778944, 7223680, 8307232, 10384040, 14447360, 16614464, 20768080, 28894720, 33228928, 41536160, 66457856, 83072320, 132915712, 166144640, 332289280, 664578560
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 |
-664578559 |
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 664578560 can be divided by 80 positive divisors.
The sum of these divisors (counting 664578560) is 1, the average is 0.0125.