489781728 is an even 9-digits composite number following 489781727
and preceding 489781729. In scientific notation, it is written as 4.89781728 × 10^8.
The sum of its digits is 54. It has a total of 9 prime factors and 72 positive divisors.
There are 158817024 positive integers (up to 489781728) that are relatively prime to 489781728.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 9 × 9 × 37 × 5107
Composite number
| ω |
Distinct Factors |
4 |
Total number of distinct prime factors |
| Ω |
Total Factors |
9 |
Total number of prime factors |
| rad |
Radical |
3401262 |
Product of the distinct prime numbers |
The prime factorization of 489781728 is 2 × 2 × 2 × 2 × 2 × 9 × 9 × 37 × 5107.
Since it has a total of 9 prime factors.
1, 2, 4, 8, 9, 16, 18, 32, 36, 37, 72, 74, 81, 144, 148, 162, 288, 296, 324, 333, 592, 648, 666, 1184, 1296, 1332, 2592, 2664, 2997, 5107, 5328, 5994, 10214, 10656, 11988, 20428, 23976, 40856, 45963, 47952, 81712, 91926, 95904, 163424, 183852, 188959, 367704, 377918, 413667, 735408, 755836, 827334, 1470816, 1511672, 1654668, 1700631, 3023344, 3309336, 3401262, 6046688, 6618672, 6802524, 13237344, 13605048, 15305679, 27210096, 30611358, 54420192, 61222716, 122445432, 244890864, 489781728
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 |
-489781727 |
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 489781728 can be divided by 72 positive divisors.
The sum of these divisors (counting 489781728) is 1, the average is 0.013888888888889.