121565440 is an even 9-digits composite number following 121565439
and preceding 121565441. In scientific notation, it is written as 1.21565440 × 10^8.
The sum of its digits is 28. It has a total of 11 prime factors and 72 positive divisors.
There are 47923200 positive integers (up to 121565440) that are relatively prime to 121565440.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 73 × 1301
Composite number
| ω |
Distinct Factors |
4 |
Total number of distinct prime factors |
| Ω |
Total Factors |
11 |
Total number of prime factors |
| rad |
Radical |
949730 |
Product of the distinct prime numbers |
The prime factorization of 121565440 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 73 × 1301.
Since it has a total of 11 prime factors.
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 584, 640, 730, 1168, 1280, 1301, 1460, 2336, 2602, 2920, 4672, 5204, 5840, 6505, 9344, 10408, 11680, 13010, 18688, 20816, 23360, 26020, 41632, 46720, 52040, 83264, 93440, 94973, 104080, 166528, 189946, 208160, 333056, 379892, 416320, 474865, 759784, 832640, 949730, 1519568, 1665280, 1899460, 3039136, 3798920, 6078272, 7597840, 12156544, 15195680, 24313088, 30391360, 60782720, 121565440
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 |
-121565439 |
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 121565440 can be divided by 72 positive divisors.
The sum of these divisors (counting 121565440) is 1, the average is 0.013888888888889.