861360144 is an even 9-digits composite number following 861360143
and preceding 861360145. In scientific notation, it is written as 8.61360144 × 10^8.
The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors.
There are 279198720 positive integers (up to 861360144) that are relatively prime to 861360144.
Prime Factorization
2 × 2 × 2 × 2 × 3 × 439 × 41 × 997
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
8 |
Total number of prime factors |
| rad |
Radical |
107670018 |
Product of the distinct prime numbers |
The prime factorization of 861360144 is 2 × 2 × 2 × 2 × 3 × 439 × 41 × 997.
Since it has a total of 8 prime factors.
1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 439, 492, 656, 878, 984, 997, 1317, 1756, 1968, 1994, 2634, 2991, 3512, 3988, 5268, 5982, 7024, 7976, 10536, 11964, 15952, 17999, 21072, 23928, 35998, 40877, 47856, 53997, 71996, 81754, 107994, 122631, 143992, 163508, 215988, 245262, 287984, 327016, 431976, 437683, 490524, 654032, 863952, 875366, 981048, 1313049, 1750732, 1962096, 2626098, 3501464, 5252196, 7002928, 10504392, 17945003, 21008784, 35890006, 53835009, 71780012, 107670018, 143560024, 215340036, 287120048, 430680072, 861360144
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 |
-861360143 |
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 861360144 can be divided by 80 positive divisors.
The sum of these divisors (counting 861360144) is 1, the average is 0.0125.