2155778544 is an even 10-digits composite number following 2155778543
and preceding 2155778545. In scientific notation, it is written as 2.155778544 × 10^9.
The sum of its digits is 48. It has a total of 8 prime factors and 80 positive divisors.
There are 707616000 positive integers (up to 2155778544) that are relatively prime to 2155778544.
Prime Factorization
2 × 2 × 2 × 2 × 3 × 79 × 751 × 757
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
8 |
Total number of prime factors |
| rad |
Radical |
269472318 |
Product of the distinct prime numbers |
The prime factorization of 2155778544 is 2 × 2 × 2 × 2 × 3 × 79 × 751 × 757.
Since it has a total of 8 prime factors.
1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 158, 237, 316, 474, 632, 751, 757, 948, 1264, 1502, 1514, 1896, 2253, 2271, 3004, 3028, 3792, 4506, 4542, 6008, 6056, 9012, 9084, 12016, 12112, 18024, 18168, 36048, 36336, 59329, 59803, 118658, 119606, 177987, 179409, 237316, 239212, 355974, 358818, 474632, 478424, 568507, 711948, 717636, 949264, 956848, 1137014, 1423896, 1435272, 1705521, 2274028, 2847792, 2870544, 3411042, 4548056, 6822084, 9096112, 13644168, 27288336, 44912053, 89824106, 134736159, 179648212, 269472318, 359296424, 538944636, 718592848, 1077889272, 2155778544
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 |
-2155778543 |
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 2155778544 can be divided by 80 positive divisors.
The sum of these divisors (counting 2155778544) is 1, the average is 0.0125.