7921152820 is an even 10-digits composite number following 7921152819
and preceding 7921152821. In scientific notation, it is written as 7.921152820 × 10^9.
The sum of its digits is 37. It has a total of 7 prime factors and 72 positive divisors.
There are 2572843392 positive integers (up to 7921152820) that are relatively prime to 7921152820.
Prime Factorization
2 × 2 × 19 × 35 × 7 × 7 × 60773
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
565796630 |
Product of the distinct prime numbers |
The prime factorization of 7921152820 is 2 × 2 × 19 × 35 × 7 × 7 × 60773.
Since it has a total of 7 prime factors.
1, 2, 4, 7, 14, 19, 28, 35, 38, 49, 70, 76, 98, 133, 140, 196, 245, 266, 490, 532, 665, 931, 980, 1330, 1715, 1862, 2660, 3430, 3724, 4655, 6860, 9310, 18620, 32585, 60773, 65170, 121546, 130340, 243092, 425411, 850822, 1154687, 1701644, 2127055, 2309374, 2977877, 4254110, 4618748, 5955754, 8082809, 8508220, 11911508, 14889385, 16165618, 29778770, 32331236, 40414045, 56579663, 59557540, 80828090, 104225695, 113159326, 161656180, 208451390, 226318652, 282898315, 416902780, 565796630, 1131593260, 1980288205, 3960576410, 7921152820
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 |
-7921152819 |
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 7921152820 can be divided by 72 positive divisors.
The sum of these divisors (counting 7921152820) is 1, the average is 0.013888888888889.