638862882 is an even 9-digits composite number following 638862881
and preceding 638862883. In scientific notation, it is written as 6.38862882 × 10^8.
The sum of its digits is 51. It has a total of 8 prime factors and 80 positive divisors.
There are 179292960 positive integers (up to 638862882) that are relatively prime to 638862882.
Prime Factorization
2 × 3 × 7 × 7 × 7 × 7 × 61 × 727
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
8 |
Total number of prime factors |
| rad |
Radical |
1862574 |
Product of the distinct prime numbers |
The prime factorization of 638862882 is 2 × 3 × 7 × 7 × 7 × 7 × 61 × 727.
Since it has a total of 8 prime factors.
1, 2, 3, 6, 7, 14, 21, 42, 49, 61, 98, 122, 147, 183, 294, 343, 366, 427, 686, 727, 854, 1029, 1281, 1454, 2058, 2181, 2401, 2562, 2989, 4362, 4802, 5089, 5978, 7203, 8967, 10178, 14406, 15267, 17934, 20923, 30534, 35623, 41846, 44347, 62769, 71246, 88694, 106869, 125538, 133041, 146461, 213738, 249361, 266082, 292922, 310429, 439383, 498722, 620858, 748083, 878766, 931287, 1496166, 1745527, 1862574, 2173003, 3491054, 4346006, 5236581, 6519009, 10473162, 13038018, 15211021, 30422042, 45633063, 91266126, 106477147, 212954294, 319431441, 638862882
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 |
-638862881 |
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 638862882 can be divided by 80 positive divisors.
The sum of these divisors (counting 638862882) is 1, the average is 0.0125.