981909712 is an even 9-digits composite number following 981909711
and preceding 981909713. In scientific notation, it is written as 9.81909712 × 10^8.
The sum of its digits is 46. It has a total of 8 prime factors and 80 positive divisors.
There are 407640960 positive integers (up to 981909712) that are relatively prime to 981909712.
Prime Factorization
2 × 2 × 2 × 2 × 103 × 7 × 47 × 1811
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
8 |
Total number of prime factors |
| rad |
Radical |
122738714 |
Product of the distinct prime numbers |
The prime factorization of 981909712 is 2 × 2 × 2 × 2 × 103 × 7 × 47 × 1811.
Since it has a total of 8 prime factors.
1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 103, 112, 188, 206, 329, 376, 412, 658, 721, 752, 824, 1316, 1442, 1648, 1811, 2632, 2884, 3622, 4841, 5264, 5768, 7244, 9682, 11536, 12677, 14488, 19364, 25354, 28976, 33887, 38728, 50708, 67774, 77456, 85117, 101416, 135548, 170234, 186533, 202832, 271096, 340468, 373066, 542192, 595819, 680936, 746132, 1191638, 1305731, 1361872, 1492264, 2383276, 2611462, 2984528, 4766552, 5222924, 8767051, 9533104, 10445848, 17534102, 20891696, 35068204, 61369357, 70136408, 122738714, 140272816, 245477428, 490954856, 981909712
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 |
-981909711 |
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 981909712 can be divided by 80 positive divisors.
The sum of these divisors (counting 981909712) is 1, the average is 0.0125.