666996972 is an even 9-digits composite number following 666996971
and preceding 666996973. In scientific notation, it is written as 6.66996972 × 10^8.
The sum of its digits is 60. It has a total of 7 prime factors and 72 positive divisors.
There are 206807040 positive integers (up to 666996972) that are relatively prime to 666996972.
Prime Factorization
2 × 2 × 3 × 17 × 17 × 89 × 2161
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
7 |
Total number of prime factors |
| rad |
Radical |
19617558 |
Product of the distinct prime numbers |
The prime factorization of 666996972 is 2 × 2 × 3 × 17 × 17 × 89 × 2161.
Since it has a total of 7 prime factors.
1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 89, 102, 178, 204, 267, 289, 356, 534, 578, 867, 1068, 1156, 1513, 1734, 2161, 3026, 3468, 4322, 4539, 6052, 6483, 8644, 9078, 12966, 18156, 25721, 25932, 36737, 51442, 73474, 77163, 102884, 110211, 146948, 154326, 192329, 220422, 308652, 384658, 440844, 576987, 624529, 769316, 1153974, 1249058, 1873587, 2307948, 2498116, 3269593, 3747174, 6539186, 7494348, 9808779, 13078372, 19617558, 39235116, 55583081, 111166162, 166749243, 222332324, 333498486, 666996972
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 |
-666996971 |
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 666996972 can be divided by 72 positive divisors.
The sum of these divisors (counting 666996972) is 1, the average is 0.013888888888889.