978889680 is an even 9-digits composite number following 978889679
and preceding 978889681. In scientific notation, it is written as 9.78889680 × 10^8.
The sum of its digits is 63. It has a total of 8 prime factors and 80 positive divisors.
There are 255474432 positive integers (up to 978889680) that are relatively prime to 978889680.
Prime Factorization
2 × 2 × 2 × 2 × 9 × 5 × 47 × 28927
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
8 |
Total number of prime factors |
| rad |
Radical |
122361210 |
Product of the distinct prime numbers |
The prime factorization of 978889680 is 2 × 2 × 2 × 2 × 9 × 5 × 47 × 28927.
Since it has a total of 8 prime factors.
1, 2, 4, 5, 8, 9, 10, 16, 18, 20, 36, 40, 45, 47, 72, 80, 90, 94, 144, 180, 188, 235, 360, 376, 423, 470, 720, 752, 846, 940, 1692, 1880, 2115, 3384, 3760, 4230, 6768, 8460, 16920, 28927, 33840, 57854, 115708, 144635, 231416, 260343, 289270, 462832, 520686, 578540, 1041372, 1157080, 1301715, 1359569, 2082744, 2314160, 2603430, 2719138, 4165488, 5206860, 5438276, 6797845, 10413720, 10876552, 12236121, 13595690, 20827440, 21753104, 24472242, 27191380, 48944484, 54382760, 61180605, 97888968, 108765520, 122361210, 195777936, 244722420, 489444840, 978889680
80 divisors
| τ |
Total Divisors |
80 |
Total number of the positive divisors of n |
| σ |
Sum of Divisors |
1 |
Sum of all the positive divisors of n |
| s |
Aliquot Sum |
-978889679 |
Sum of the proper positive divisors of n |
| A |
Arithmetic Mean |
0.0125 |
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 |
80 |
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 978889680 can be divided by 80 positive divisors.
The sum of these divisors (counting 978889680) is 1, the average is 0.0125.