2045981808 is an even 10-digits composite number following 2045981807
and preceding 2045981809. In scientific notation, it is written as 2.045981808 × 10^9.
The sum of its digits is 45. It has a total of 8 prime factors and 80 positive divisors.
There are 629531136 positive integers (up to 2045981808) that are relatively prime to 2045981808.
Prime Factorization
2 × 2 × 2 × 2 × 9 × 3 × 13 × 364313
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
8 |
Total number of prime factors |
| rad |
Radical |
255747726 |
Product of the distinct prime numbers |
The prime factorization of 2045981808 is 2 × 2 × 2 × 2 × 9 × 3 × 13 × 364313.
Since it has a total of 8 prime factors.
1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 104, 108, 117, 144, 156, 208, 216, 234, 312, 351, 432, 468, 624, 702, 936, 1404, 1872, 2808, 5616, 364313, 728626, 1092939, 1457252, 2185878, 2914504, 3278817, 4371756, 4736069, 5829008, 6557634, 8743512, 9472138, 9836451, 13115268, 14208207, 17487024, 18944276, 19672902, 26230536, 28416414, 37888552, 39345804, 42624621, 52461072, 56832828, 75777104, 78691608, 85249242, 113665656, 127873863, 157383216, 170498484, 227331312, 255747726, 340996968, 511495452, 681993936, 1022990904, 2045981808
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 |
-2045981807 |
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 2045981808 can be divided by 80 positive divisors.
The sum of these divisors (counting 2045981808) is 1, the average is 0.0125.