668760345 is an odd 9-digits composite number following 668760344
and preceding 668760346. In scientific notation, it is written as 6.68760345 × 10^8.
The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors.
There are 322322880 positive integers (up to 668760345) that are relatively prime to 668760345.
Prime Factorization
5 × 3 × 3 × 11 × 11 × 263 × 467
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
20265465 |
Product of the distinct prime numbers |
The prime factorization of 668760345 is 5 × 3 × 3 × 11 × 11 × 263 × 467.
Since it has a total of 7 prime factors.
1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 263, 363, 467, 495, 605, 789, 1089, 1315, 1401, 1815, 2335, 2367, 2893, 3945, 4203, 5137, 5445, 7005, 8679, 11835, 14465, 15411, 21015, 25685, 26037, 31823, 43395, 46233, 56507, 77055, 95469, 122821, 130185, 159115, 169521, 231165, 282535, 286407, 368463, 477345, 508563, 614105, 847605, 1105389, 1351031, 1432035, 1842315, 2542815, 4053093, 5526945, 6755155, 12159279, 14861341, 20265465, 44584023, 60796395, 74306705, 133752069, 222920115, 668760345
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 |
-668760344 |
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 668760345 can be divided by 72 positive divisors.
The sum of these divisors (counting 668760345) is 1, the average is 0.013888888888889.