201808620 is an even 9-digits composite number following 201808619
and preceding 201808621. In scientific notation, it is written as 2.01808620 × 10^8.
The sum of its digits is 27. It has a total of 7 prime factors and 72 positive divisors.
There are 49675392 positive integers (up to 201808620) that are relatively prime to 201808620.
Prime Factorization
2 × 2 × 3 × 3 × 5 × 13 × 86243
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
33634770 |
Product of the distinct prime numbers |
The prime factorization of 201808620 is 2 × 2 × 3 × 3 × 5 × 13 × 86243.
Since it has a total of 7 prime factors.
1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 86243, 172486, 258729, 344972, 431215, 517458, 776187, 862430, 1034916, 1121159, 1293645, 1552374, 1724860, 2242318, 2587290, 3104748, 3363477, 3880935, 4484636, 5174580, 5605795, 6726954, 7761870, 10090431, 11211590, 13453908, 15523740, 16817385, 20180862, 22423180, 33634770, 40361724, 50452155, 67269540, 100904310, 201808620
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 |
-201808619 |
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 201808620 can be divided by 72 positive divisors.
The sum of these divisors (counting 201808620) is 1, the average is 0.013888888888889.