66389625 (number)
66389625 is an odd 8-digits composite number following 66389624 and preceding 66389626. In scientific notation, it is written as 6.6389625 × 10^7. The sum of its digits is 45. It has a total of 6 prime factors and 40 positive divisors. There are 34538400 positive integers (up to 66389625) that are relatively prime to 66389625.
Interesting facts
- 66389625 has 40 divisors, whose sum is 94012800
- The reverse of 66389625 is 52698366
- Previous prime number is 83
Basic properties
- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 45
- Digital Root 9
Name
| Name | sixty-six million three hundred eighty-nine thousand six hundred twenty-five |
|---|
Notation
| Scientific notation | 6.6389625 × 10^7 |
|---|---|
| Engineering notation | 6.6389625 × 10^6 |
Prime Factorization of 66389625
Prime Factorization 5 × 5 × 45 × 9 × 83 × 79
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 13277925 | Product of the distinct prime numbers |
The prime factorization of 66389625 is 5 × 5 × 45 × 9 × 83 × 79. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 66389625)
Multiplication
n×y| n×2 | 132779250 |
|---|---|
| n×3 | 199168875 |
| n×4 | 265558500 |
| n×5 | 331948125 |
Division
n÷y| n÷2 | 33194812.5 |
|---|---|
| n÷3 | 22129875 |
| n÷3 | 16597406.25 |
| n÷5 | 13277925 |
Exponentiation
ny| n2 | 4407582307640625 |
|---|---|
| n3 | 2.926177365609E+23 |
| n4 | 1.9426781798627E+31 |
| n5 | 1.2897367585676E+39 |
Nth Root
y√n| 2√n | 8147.9828792162 |
|---|---|
| 3√n | 404.91767874157 |
| 4√n | 90.266177936236 |
| 5√n | 36.6792159022 |
Divisors of 66389625
40 divisors
| τ | Total Divisors | 40 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -66389624 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 66389625 can be divided by 40 positive divisors. The sum of these divisors (counting 66389625) is 1, the average is 0.025.
Base conversion 66389625
| Base | System | Value |
|---|---|---|
| 2 | Binary | 11111101010000011001111001 |
| 3 | Ternary | 11121220221110000 |
| 4 | Quaternary | 3331100121321 |
| 5 | Quinary | 113443432000 |
| 6 | Senary | 10330543213 |
| 8 | Octal | 375203171 |
| 10 | Decimal | 66389625 |
| 12 | Duodecimal | 1a297b09 |
| 16 | Hexadecimal | 3f50679 |
| 20 | Vigesimal | 10eie15 |
| 36 | Base36 | 13iyk9 |
Cryptographic Hash Functions
| md5 | bd61710bbee2dd91df5bb6124016b1ff |
|---|---|
| sha1 | 1ce7bcb429e31171b75098eb0ff592dbfc19e5bc |
| sha256 | bf83b07e5d0920838b95ef3772be526175bde7387e8c8c6f891fe1604e03391e |
| sha512 | 85c4d2569b3b2f074d75ba110f84aa4f001e417151e938b1909c6ee9f80373cfdb35af1e34dc28053015ffb9767fb315df03363209faca90a6ce2477fee011a8 |
| ripemd-160 | 7301e396e6c8574d245c779758502641ce2d4698 |
66389625 as geometric shapes
Circle
Radius = n| Diameter | 132779250 |
|---|---|
| Circumference | 417138316.34916 |
| Area | 1.3846828197776E+16 |
Sphere
Radius = n| Volume | 1.225714308653E+24 |
|---|---|
| Surface area | 5.5387312791105E+16 |
| Circumference | 417138316.34916 |
Square
Length = n| Perimeter | 265558500 |
|---|---|
| Area | 4407582307640625 |
| Diagonal | 93889108.075864 |
Cube
Length = n| Surface area | 26445493845843750 |
|---|---|
| Volume | 2.926177365609E+23 |
| Space diagonal | 114990203.59544 |
Equilateral Triangle
Length = n| Perimeter | 199168875 |
|---|---|
| Area | 1.9085391238438E+15 |
| Altitude | 57495101.797722 |
Triangular Pyramid
Length = n| Surface area | 1.9085391238438E+15 |
|---|---|
| Volume | 3.4485330969611E+22 |
| Height | 31296369.358621 |