1281543312 is an even 10-digits composite number following 1281543311
and preceding 1281543313. In scientific notation, it is written as 1.281543312 × 10^9.
The sum of its digits is 30. It has a total of 8 prime factors and 80 positive divisors.
There are 344784384 positive integers (up to 1281543312) that are relatively prime to 1281543312.
Prime Factorization
2 × 2 × 2 × 2 × 197 × 3 × 133 × 1019
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
8 |
Total number of prime factors |
| rad |
Radical |
160192914 |
Product of the distinct prime numbers |
The prime factorization of 1281543312 is 2 × 2 × 2 × 2 × 197 × 3 × 133 × 1019.
Since it has a total of 8 prime factors.
1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 133, 197, 266, 394, 399, 532, 591, 788, 798, 1019, 1064, 1182, 1576, 1596, 2038, 2128, 2364, 3057, 3152, 3192, 4076, 4728, 6114, 6384, 8152, 9456, 12228, 16304, 24456, 26201, 48912, 52402, 78603, 104804, 135527, 157206, 200743, 209608, 271054, 314412, 401486, 406581, 419216, 542108, 602229, 628824, 802972, 813162, 1084216, 1204458, 1257648, 1605944, 1626324, 2168432, 2408916, 3211888, 3252648, 4817832, 6505296, 9635664, 26698819, 53397638, 80096457, 106795276, 160192914, 213590552, 320385828, 427181104, 640771656, 1281543312
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 |
-1281543311 |
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 1281543312 can be divided by 80 positive divisors.
The sum of these divisors (counting 1281543312) is 1, the average is 0.0125.