1645541730 is an even 10-digits composite number following 1645541729
and preceding 1645541731. In scientific notation, it is written as 1.645541730 × 10^9.
The sum of its digits is 36. It has a total of 7 prime factors and 80 positive divisors.
There are 376122528 positive integers (up to 1645541730) that are relatively prime to 1645541730.
Prime Factorization
2 × 5 × 3 × 9 × 3 × 7 × 290219
Composite number
| ω |
Distinct Factors |
6 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
548513910 |
Product of the distinct prime numbers |
The prime factorization of 1645541730 is 2 × 5 × 3 × 9 × 3 × 7 × 290219.
Since it has a total of 7 prime factors.
1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 5670, 290219, 580438, 870657, 1451095, 1741314, 2031533, 2611971, 2902190, 4063066, 4353285, 5223942, 6094599, 7835913, 8706570, 10157665, 12189198, 13059855, 15671826, 18283797, 20315330, 23507739, 26119710, 30472995, 36567594, 39179565, 47015478, 54851391, 60945990, 78359130, 91418985, 109702782, 117538695, 164554173, 182837970, 235077390, 274256955, 329108346, 548513910, 822770865, 1645541730
80 divisors
| τ |
Total Divisors |
80 |
Total number of the positive divisors of n |
| σ |
Sum of Divisors |
1 |
Sum of all the positive divisors of n |
| s |
Aliquot Sum |
-1645541729 |
Sum of the proper positive divisors of n |
| A |
Arithmetic Mean |
0.0125 |
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 |
80 |
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 1645541730 can be divided by 80 positive divisors.
The sum of these divisors (counting 1645541730) is 1, the average is 0.0125.