642078448 is an even 9-digits composite number following 642078447
and preceding 642078449. In scientific notation, it is written as 6.42078448 × 10^8.
The sum of its digits is 43. It has a total of 8 prime factors and 80 positive divisors.
There are 280051200 positive integers (up to 642078448) that are relatively prime to 642078448.
Prime Factorization
2 × 2 × 2 × 2 × 11 × 31 × 137 × 859
Composite number
| ω |
Distinct Factors |
5 |
Total number of distinct prime factors |
| Ω |
Total Factors |
8 |
Total number of prime factors |
| rad |
Radical |
80259806 |
Product of the distinct prime numbers |
The prime factorization of 642078448 is 2 × 2 × 2 × 2 × 11 × 31 × 137 × 859.
Since it has a total of 8 prime factors.
1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 137, 176, 248, 274, 341, 496, 548, 682, 859, 1096, 1364, 1507, 1718, 2192, 2728, 3014, 3436, 4247, 5456, 6028, 6872, 8494, 9449, 12056, 13744, 16988, 18898, 24112, 26629, 33976, 37796, 46717, 53258, 67952, 75592, 93434, 106516, 117683, 151184, 186868, 213032, 235366, 292919, 373736, 426064, 470732, 585838, 747472, 941464, 1171676, 1294513, 1882928, 2343352, 2589026, 3648173, 4686704, 5178052, 7296346, 10356104, 14592692, 20712208, 29185384, 40129903, 58370768, 80259806, 160519612, 321039224, 642078448
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 |
-642078447 |
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 642078448 can be divided by 80 positive divisors.
The sum of these divisors (counting 642078448) is 1, the average is 0.0125.