221363968 is an even 9-digits composite number following 221363967
and preceding 221363969. In scientific notation, it is written as 2.21363968 × 10^8.
The sum of its digits is 40. It has a total of 12 prime factors and 72 positive divisors.
There are 94832640 positive integers (up to 221363968) that are relatively prime to 221363968.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 2521
Composite number
| ω |
Distinct Factors |
3 |
Total number of distinct prime factors |
| Ω |
Total Factors |
12 |
Total number of prime factors |
| rad |
Radical |
35294 |
Product of the distinct prime numbers |
The prime factorization of 221363968 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 2521.
Since it has a total of 12 prime factors.
1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2521, 2744, 3136, 5042, 5488, 6272, 10084, 10976, 12544, 17647, 20168, 21952, 35294, 40336, 43904, 70588, 80672, 87808, 123529, 141176, 161344, 247058, 282352, 322688, 494116, 564704, 645376, 864703, 988232, 1129408, 1729406, 1976464, 2258816, 3458812, 3952928, 4517632, 6917624, 7905856, 13835248, 15811712, 27670496, 31623424, 55340992, 110681984, 221363968
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 |
-221363967 |
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 221363968 can be divided by 72 positive divisors.
The sum of these divisors (counting 221363968) is 1, the average is 0.013888888888889.