205817612 is an even 9-digits composite number following 205817611
and preceding 205817613. In scientific notation, it is written as 2.05817612 × 10^8.
The sum of its digits is 32. It has a total of 7 prime factors and 72 positive divisors.
There are 74004480 positive integers (up to 205817612) that are relatively prime to 205817612.
Prime Factorization
2 × 2 × 7 × 13 × 11 × 11 × 4673
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
9355346 |
Product of the distinct prime numbers |
The prime factorization of 205817612 is 2 × 2 × 7 × 13 × 11 × 11 × 4673.
Since it has a total of 7 prime factors.
1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 121, 143, 154, 182, 242, 286, 308, 364, 484, 572, 847, 1001, 1573, 1694, 2002, 3146, 3388, 4004, 4673, 6292, 9346, 11011, 18692, 22022, 32711, 44044, 51403, 60749, 65422, 102806, 121498, 130844, 205612, 242996, 359821, 425243, 565433, 668239, 719642, 850486, 1130866, 1336478, 1439284, 1700972, 2261732, 2672956, 3958031, 4677673, 7350629, 7916062, 9355346, 14701258, 15832124, 18710692, 29402516, 51454403, 102908806, 205817612
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 |
-205817611 |
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 205817612 can be divided by 72 positive divisors.
The sum of these divisors (counting 205817612) is 1, the average is 0.013888888888889.