181640448 is an even 9-digits composite number following 181640447
and preceding 181640449. In scientific notation, it is written as 1.81640448 × 10^8.
The sum of its digits is 36. It has a total of 11 prime factors and 72 positive divisors.
There are 55019520 positive integers (up to 181640448) that are relatively prime to 181640448.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 27 × 11 × 2389
Composite number
| ω |
Distinct Factors |
4 |
Total number of distinct prime factors |
| Ω |
Total Factors |
11 |
Total number of prime factors |
| rad |
Radical |
1419066 |
Product of the distinct prime numbers |
The prime factorization of 181640448 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 27 × 11 × 2389.
Since it has a total of 11 prime factors.
1, 2, 4, 8, 11, 16, 22, 27, 32, 44, 54, 64, 88, 108, 128, 176, 216, 256, 297, 352, 432, 594, 704, 864, 1188, 1408, 1728, 2376, 2389, 2816, 3456, 4752, 4778, 6912, 9504, 9556, 19008, 19112, 26279, 38016, 38224, 52558, 64503, 76032, 76448, 105116, 129006, 152896, 210232, 258012, 305792, 420464, 516024, 611584, 709533, 840928, 1032048, 1419066, 1681856, 2064096, 2838132, 3363712, 4128192, 5676264, 6727424, 8256384, 11352528, 16512768, 22705056, 45410112, 90820224, 181640448
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 |
-181640447 |
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 181640448 can be divided by 72 positive divisors.
The sum of these divisors (counting 181640448) is 1, the average is 0.013888888888889.