989870180 is an even 9-digits composite number following 989870179
and preceding 989870181. In scientific notation, it is written as 9.89870180 × 10^8.
The sum of its digits is 50. It has a total of 7 prime factors and 72 positive divisors.
There are 359424000 positive integers (up to 989870180) that are relatively prime to 989870180.
Prime Factorization
2 × 2 × 5 × 13 × 13 × 61 × 4801
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
38071930 |
Product of the distinct prime numbers |
The prime factorization of 989870180 is 2 × 2 × 5 × 13 × 13 × 61 × 4801.
Since it has a total of 7 prime factors.
1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 169, 244, 260, 305, 338, 610, 676, 793, 845, 1220, 1586, 1690, 3172, 3380, 3965, 4801, 7930, 9602, 10309, 15860, 19204, 20618, 24005, 41236, 48010, 51545, 62413, 96020, 103090, 124826, 206180, 249652, 292861, 312065, 585722, 624130, 811369, 1171444, 1248260, 1464305, 1622738, 2928610, 3245476, 3807193, 4056845, 5857220, 7614386, 8113690, 15228772, 16227380, 19035965, 38071930, 49493509, 76143860, 98987018, 197974036, 247467545, 494935090, 989870180
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 |
-989870179 |
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 989870180 can be divided by 72 positive divisors.
The sum of these divisors (counting 989870180) is 1, the average is 0.013888888888889.