867939891 is an odd 9-digits composite number following 867939890
and preceding 867939892. In scientific notation, it is written as 8.67939891 × 10^8.
The sum of its digits is 60. It has a total of 7 prime factors and 72 positive divisors.
There are 423783360 positive integers (up to 867939891) that are relatively prime to 867939891.
Prime Factorization
3 × 1127 × 13 × 7 × 7 × 13 × 31
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
9537801 |
Product of the distinct prime numbers |
The prime factorization of 867939891 is 3 × 1127 × 13 × 7 × 7 × 13 × 31.
Since it has a total of 7 prime factors.
1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 169, 217, 273, 403, 507, 637, 651, 1127, 1183, 1209, 1519, 1911, 2821, 3381, 3549, 4557, 5239, 7889, 8281, 8463, 14651, 15717, 19747, 23667, 24843, 34937, 36673, 43953, 55223, 59241, 102557, 104811, 110019, 165669, 190463, 244559, 256711, 307671, 454181, 571389, 717899, 733677, 770133, 1333241, 1362543, 1711913, 2153697, 3179267, 3999723, 5135739, 5904353, 9332687, 9537801, 17713059, 22254869, 27998061, 41330471, 66764607, 123991413, 289313297, 867939891
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 |
-867939890 |
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 867939891 can be divided by 72 positive divisors.
The sum of these divisors (counting 867939891) is 1, the average is 0.013888888888889.