256605412 is an even 9-digits composite number following 256605411
and preceding 256605413. In scientific notation, it is written as 2.56605412 × 10^8.
The sum of its digits is 31. It has a total of 7 prime factors and 72 positive divisors.
There are 97998336 positive integers (up to 256605412) that are relatively prime to 256605412.
Prime Factorization
2 × 2 × 7 × 17 × 19 × 17 × 1669
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
7547218 |
Product of the distinct prime numbers |
The prime factorization of 256605412 is 2 × 2 × 7 × 17 × 19 × 17 × 1669.
Since it has a total of 7 prime factors.
1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 289, 323, 476, 532, 578, 646, 1156, 1292, 1669, 2023, 2261, 3338, 4046, 4522, 5491, 6676, 8092, 9044, 10982, 11683, 21964, 23366, 28373, 31711, 38437, 46732, 56746, 63422, 76874, 113492, 126844, 153748, 198611, 221977, 397222, 443954, 482341, 539087, 794444, 887908, 964682, 1078174, 1929364, 2156348, 3376387, 3773609, 6752774, 7547218, 9164479, 13505548, 15094436, 18328958, 36657916, 64151353, 128302706, 256605412
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 |
-256605411 |
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 256605412 can be divided by 72 positive divisors.
The sum of these divisors (counting 256605412) is 1, the average is 0.013888888888889.