278320640 is an even 9-digits composite number following 278320639
and preceding 278320641. In scientific notation, it is written as 2.78320640 × 10^8.
The sum of its digits is 32. It has a total of 12 prime factors and 80 positive divisors.
There are 102752256 positive integers (up to 278320640) that are relatively prime to 278320640.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 8363
Composite number
| ω |
Distinct Factors |
4 |
Total number of distinct prime factors |
| Ω |
Total Factors |
12 |
Total number of prime factors |
| rad |
Radical |
1087190 |
Product of the distinct prime numbers |
The prime factorization of 278320640 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 8363.
Since it has a total of 12 prime factors.
1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 6656, 8320, 8363, 16640, 16726, 33280, 33452, 41815, 66904, 83630, 108719, 133808, 167260, 217438, 267616, 334520, 434876, 535232, 543595, 669040, 869752, 1070464, 1087190, 1338080, 1739504, 2140928, 2174380, 2676160, 3479008, 4281856, 4348760, 5352320, 6958016, 8697520, 10704640, 13916032, 17395040, 21409280, 27832064, 34790080, 55664128, 69580160, 139160320, 278320640
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 |
-278320639 |
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 278320640 can be divided by 80 positive divisors.
The sum of these divisors (counting 278320640) is 1, the average is 0.0125.