388638612 is an even 9-digits composite number following 388638611
and preceding 388638613. In scientific notation, it is written as 3.88638612 × 10^8.
The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors.
There are 126519744 positive integers (up to 388638612) that are relatively prime to 388638612.
Prime Factorization
2 × 2 × 3 × 3 × 53 × 587 × 347
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
64773102 |
Product of the distinct prime numbers |
The prime factorization of 388638612 is 2 × 2 × 3 × 3 × 53 × 587 × 347.
Since it has a total of 7 prime factors.
1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 347, 477, 587, 636, 694, 954, 1041, 1174, 1388, 1761, 1908, 2082, 2348, 3123, 3522, 4164, 5283, 6246, 7044, 10566, 12492, 18391, 21132, 31111, 36782, 55173, 62222, 73564, 93333, 110346, 124444, 165519, 186666, 203689, 220692, 279999, 331038, 373332, 407378, 559998, 611067, 662076, 814756, 1119996, 1222134, 1833201, 2444268, 3666402, 7332804, 10795517, 21591034, 32386551, 43182068, 64773102, 97159653, 129546204, 194319306, 388638612
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 |
-388638611 |
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 388638612 can be divided by 72 positive divisors.
The sum of these divisors (counting 388638612) is 1, the average is 0.013888888888889.