720689940 is an even 9-digits composite number following 720689939
and preceding 720689941. In scientific notation, it is written as 7.20689940 × 10^8.
The sum of its digits is 45. It has a total of 7 prime factors and 72 positive divisors.
There are 190372608 positive integers (up to 720689940) that are relatively prime to 720689940.
Prime Factorization
2 × 2 × 3 × 15 × 3 × 107 × 12473
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
120114990 |
Product of the distinct prime numbers |
The prime factorization of 720689940 is 2 × 2 × 3 × 15 × 3 × 107 × 12473.
Since it has a total of 7 prime factors.
1, 2, 3, 4, 6, 9, 12, 15, 18, 30, 36, 45, 60, 90, 107, 135, 180, 214, 270, 321, 428, 540, 642, 963, 1284, 1605, 1926, 3210, 3852, 4815, 6420, 9630, 12473, 14445, 19260, 24946, 28890, 37419, 49892, 57780, 74838, 112257, 149676, 187095, 224514, 374190, 449028, 561285, 748380, 1122570, 1334611, 1683855, 2245140, 2669222, 3367710, 4003833, 5338444, 6735420, 8007666, 12011499, 16015332, 20019165, 24022998, 40038330, 48045996, 60057495, 80076660, 120114990, 180172485, 240229980, 360344970, 720689940
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 |
-720689939 |
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 720689940 can be divided by 72 positive divisors.
The sum of these divisors (counting 720689940) is 1, the average is 0.013888888888889.