99207900 is an even 8-digits composite number following 99207899
and preceding 99207901. In scientific notation, it is written as 9.9207900 × 10^7.
The sum of its digits is 36. It has a total of 7 prime factors and 72 positive divisors.
There are 24024000 positive integers (up to 99207900) that are relatively prime to 99207900.
Prime Factorization
2 × 2 × 9 × 11 × 11 × 25 × 911
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
4509450 |
Product of the distinct prime numbers |
The prime factorization of 99207900 is 2 × 2 × 9 × 11 × 11 × 25 × 911.
Since it has a total of 7 prime factors.
1, 2, 4, 9, 11, 18, 22, 25, 36, 44, 50, 99, 100, 121, 198, 225, 242, 275, 396, 450, 484, 550, 900, 911, 1089, 1100, 1822, 2178, 2475, 3025, 3644, 4356, 4950, 6050, 8199, 9900, 10021, 12100, 16398, 20042, 22775, 27225, 32796, 40084, 45550, 54450, 90189, 91100, 108900, 110231, 180378, 204975, 220462, 250525, 360756, 409950, 440924, 501050, 819900, 992079, 1002100, 1984158, 2254725, 2755775, 3968316, 4509450, 5511550, 9018900, 11023100, 24801975, 49603950, 99207900
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 |
-99207899 |
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 99207900 can be divided by 72 positive divisors.
The sum of these divisors (counting 99207900) is 1, the average is 0.013888888888889.