642510144 is an even 9-digits composite number following 642510143
and preceding 642510145. In scientific notation, it is written as 6.42510144 × 10^8.
The sum of its digits is 27. It has a total of 10 prime factors and 70 positive divisors.
There are 214168320 positive integers (up to 642510144) that are relatively prime to 642510144.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 9 × 123941
Composite number
| ω |
Distinct Factors |
4 |
Total number of distinct prime factors |
| Ω |
Total Factors |
10 |
Total number of prime factors |
| rad |
Radical |
6692814 |
Product of the distinct prime numbers |
The prime factorization of 642510144 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 9 × 123941.
Since it has a total of 10 prime factors.
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 288, 324, 432, 576, 648, 864, 1296, 1728, 2592, 5184, 123941, 247882, 371823, 495764, 743646, 991528, 1115469, 1487292, 1983056, 2230938, 2974584, 3346407, 3966112, 4461876, 5949168, 6692814, 7932224, 8923752, 10039221, 11898336, 13385628, 17847504, 20078442, 23796672, 26771256, 35695008, 40156884, 53542512, 71390016, 80313768, 107085024, 160627536, 214170048, 321255072, 642510144
70 divisors
| τ |
Total Divisors |
70 |
Total number of the positive divisors of n |
| σ |
Sum of Divisors |
1 |
Sum of all the positive divisors of n |
| s |
Aliquot Sum |
-642510143 |
Sum of the proper positive divisors of n |
| A |
Arithmetic Mean |
0.014285714285714 |
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 |
70 |
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 642510144 can be divided by 70 positive divisors.
The sum of these divisors (counting 642510144) is 1, the average is 0.014285714285714.