81119100 is an even 8-digits composite number following 81119099
and preceding 81119101. In scientific notation, it is written as 8.1119100 × 10^7.
The sum of its digits is 21. It has a total of 7 prime factors and 72 positive divisors.
There are 21260480 positive integers (up to 81119100) that are relatively prime to 81119100.
Prime Factorization
2 × 2 × 3 × 5 × 5 × 59 × 4583
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
8111910 |
Product of the distinct prime numbers |
The prime factorization of 81119100 is 2 × 2 × 3 × 5 × 5 × 59 × 4583.
Since it has a total of 7 prime factors.
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 59, 60, 75, 100, 118, 150, 177, 236, 295, 300, 354, 590, 708, 885, 1180, 1475, 1770, 2950, 3540, 4425, 4583, 5900, 8850, 9166, 13749, 17700, 18332, 22915, 27498, 45830, 54996, 68745, 91660, 114575, 137490, 229150, 270397, 274980, 343725, 458300, 540794, 687450, 811191, 1081588, 1351985, 1374900, 1622382, 2703970, 3244764, 4055955, 5407940, 6759925, 8111910, 13519850, 16223820, 20279775, 27039700, 40559550, 81119100
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 |
-81119099 |
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 81119100 can be divided by 72 positive divisors.
The sum of these divisors (counting 81119100) is 1, the average is 0.013888888888889.