778978816 is an even 9-digits composite number following 778978815
and preceding 778978817. In scientific notation, it is written as 7.78978816 × 10^8.
The sum of its digits is 61. It has a total of 12 prime factors and 80 positive divisors.
There are 303482880 positive integers (up to 778978816) that are relatively prime to 778978816.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 11 × 19759
Composite number
| ω |
Distinct Factors |
4 |
Total number of distinct prime factors |
| Ω |
Total Factors |
12 |
Total number of prime factors |
| rad |
Radical |
3042886 |
Product of the distinct prime numbers |
The prime factorization of 778978816 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 11 × 19759.
Since it has a total of 12 prime factors.
1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 512, 616, 704, 896, 1232, 1408, 1792, 2464, 2816, 3584, 4928, 5632, 9856, 19712, 19759, 39424, 39518, 79036, 138313, 158072, 217349, 276626, 316144, 434698, 553252, 632288, 869396, 1106504, 1264576, 1521443, 1738792, 2213008, 2529152, 3042886, 3477584, 4426016, 5058304, 6085772, 6955168, 8852032, 10116608, 12171544, 13910336, 17704064, 24343088, 27820672, 35408128, 48686176, 55641344, 70816256, 97372352, 111282688, 194744704, 389489408, 778978816
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 |
-778978815 |
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 778978816 can be divided by 80 positive divisors.
The sum of these divisors (counting 778978816) is 1, the average is 0.0125.