678339920 is an even 9-digits composite number following 678339919
and preceding 678339921. In scientific notation, it is written as 6.78339920 × 10^8.
The sum of its digits is 47. It has a total of 8 prime factors and 80 positive divisors.
There are 257917440 positive integers (up to 678339920) that are relatively prime to 678339920.
Prime Factorization
2 × 2 × 2 × 2 × 5 × 23 × 173 × 2131
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
8 |
Total number of prime factors |
| rad |
Radical |
84792490 |
Product of the distinct prime numbers |
The prime factorization of 678339920 is 2 × 2 × 2 × 2 × 5 × 23 × 173 × 2131.
Since it has a total of 8 prime factors.
1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 173, 184, 230, 346, 368, 460, 692, 865, 920, 1384, 1730, 1840, 2131, 2768, 3460, 3979, 4262, 6920, 7958, 8524, 10655, 13840, 15916, 17048, 19895, 21310, 31832, 34096, 39790, 42620, 49013, 63664, 79580, 85240, 98026, 159160, 170480, 196052, 245065, 318320, 368663, 392104, 490130, 737326, 784208, 980260, 1474652, 1843315, 1960520, 2949304, 3686630, 3921040, 5898608, 7373260, 8479249, 14746520, 16958498, 29493040, 33916996, 42396245, 67833992, 84792490, 135667984, 169584980, 339169960, 678339920
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 |
-678339919 |
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 678339920 can be divided by 80 positive divisors.
The sum of these divisors (counting 678339920) is 1, the average is 0.0125.