19005440 is an even 8-digits composite number following 19005439
and preceding 19005441. In scientific notation, it is written as 1.9005440 × 10^7.
The sum of its digits is 23. It has a total of 19 prime factors and 72 positive divisors.
There are 7340032 positive integers (up to 19005440) that are relatively prime to 19005440.
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 29
Composite number
| ω |
Distinct Factors |
3 |
Total number of distinct prime factors |
| Ω |
Total Factors |
19 |
Total number of prime factors |
| rad |
Radical |
290 |
Product of the distinct prime numbers |
The prime factorization of 19005440 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 29.
Since it has a total of 19 prime factors.
1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1024, 1160, 1280, 1856, 2048, 2320, 2560, 3712, 4096, 4640, 5120, 7424, 8192, 9280, 10240, 14848, 16384, 18560, 20480, 29696, 32768, 37120, 40960, 59392, 65536, 74240, 81920, 118784, 131072, 148480, 163840, 237568, 296960, 327680, 475136, 593920, 655360, 950272, 1187840, 1900544, 2375680, 3801088, 4751360, 9502720, 19005440
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 |
-19005439 |
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 19005440 can be divided by 72 positive divisors.
The sum of these divisors (counting 19005440) is 1, the average is 0.013888888888889.