221489460 is an even 9-digits composite number following 221489459
and preceding 221489461. In scientific notation, it is written as 2.21489460 × 10^8.
The sum of its digits is 36. It has a total of 7 prime factors and 72 positive divisors.
There are 55954368 positive integers (up to 221489460) that are relatively prime to 221489460.
Prime Factorization
2 × 2 × 3 × 5 × 3 × 19 × 64763
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
36914910 |
Product of the distinct prime numbers |
The prime factorization of 221489460 is 2 × 2 × 3 × 5 × 3 × 19 × 64763.
Since it has a total of 7 prime factors.
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 64763, 129526, 194289, 259052, 323815, 388578, 582867, 647630, 777156, 971445, 1165734, 1230497, 1295260, 1942890, 2331468, 2460994, 2914335, 3691491, 3885780, 4921988, 5828670, 6152485, 7382982, 11074473, 11657340, 12304970, 14765964, 18457455, 22148946, 24609940, 36914910, 44297892, 55372365, 73829820, 110744730, 221489460
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 |
-221489459 |
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 221489460 can be divided by 72 positive divisors.
The sum of these divisors (counting 221489460) is 1, the average is 0.013888888888889.