51139920 (number)
51139920 is an even 8-digits composite number following 51139919 and preceding 51139921. In scientific notation, it is written as 5.1139920 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 12220416 positive integers (up to 51139920) that are relatively prime to 51139920.
Interesting facts
- 51139920 has 40 divisors, whose sum is 107138976
- The reverse of 51139920 is 02993115
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
| Name | fifty-one million one hundred thirty-nine thousand nine hundred twenty |
|---|
Notation
| Scientific notation | 5.1139920 × 10^7 |
|---|---|
| Engineering notation | 5.1139920 × 10^6 |
Prime Factorization of 51139920
Prime Factorization 2 × 2 × 2 × 2 × 555 × 13 × 443
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 6392490 | Product of the distinct prime numbers |
The prime factorization of 51139920 is 2 × 2 × 2 × 2 × 555 × 13 × 443. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 51139920)
Multiplication
n×y| n×2 | 102279840 |
|---|---|
| n×3 | 153419760 |
| n×4 | 204559680 |
| n×5 | 255699600 |
Division
n÷y| n÷2 | 25569960 |
|---|---|
| n÷3 | 17046640 |
| n÷3 | 12784980 |
| n÷5 | 10227984 |
Exponentiation
ny| n2 | 2615291417606400 |
|---|---|
| n3 | 1.3374579387308E+23 |
| n4 | 6.8397491990057E+30 |
| n5 | 3.4978422685722E+38 |
Nth Root
y√n| 2√n | 7151.2180780619 |
|---|---|
| 3√n | 371.18180679016 |
| 4√n | 84.564874966276 |
| 5√n | 34.813846399859 |
Divisors of 51139920
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 | -51139919 | 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 51139920 can be divided by 40 positive divisors. The sum of these divisors (counting 51139920) is 1, the average is 0.025.
Base conversion 51139920
| Base | System | Value |
|---|---|---|
| 2 | Binary | 11000011000101010101010000 |
| 3 | Ternary | 10120020011210010 |
| 4 | Quaternary | 3003011111100 |
| 5 | Quinary | 101042434140 |
| 6 | Senary | 5024034520 |
| 8 | Octal | 303052520 |
| 10 | Decimal | 51139920 |
| 12 | Duodecimal | 15162a40 |
| 16 | Hexadecimal | 30c5550 |
| 20 | Vigesimal | fjc9g0 |
| 36 | Base36 | ug3tc |
Cryptographic Hash Functions
| md5 | 2c7441987cdcb485cfd09a42cc776992 |
|---|---|
| sha1 | 76cbae7b76605f2b09300e3fce5296a6110e6a68 |
| sha256 | b1d6e0586be0b37a40ff659d1a353326ae1a01fd46e51102201d03f09c4e4546 |
| sha512 | bf7d74b9a1593775637a6814ed9e3a853d9436277278ad724a4f766f928247531afc9d55437dc6856d0bc3648ff99072056ad6402ee8215249a1e22d9d9c444d |
| ripemd-160 | 2dd404ee0fba68b6684fbfc54f048d2d4bd8bcb2 |
51139920 as geometric shapes
Circle
Radius = n| Diameter | 102279840 |
|---|---|
| Circumference | 321321593.95434 |
| Area | 8.2161803045487E+15 |
Sphere
Radius = n| Volume | 5.6023307130693E+23 |
|---|---|
| Surface area | 3.2864721218195E+16 |
| Circumference | 321321593.95434 |
Square
Length = n| Perimeter | 204559680 |
|---|---|
| Area | 2615291417606400 |
| Diagonal | 72322768.442675 |
Cube
Length = n| Surface area | 15691748505638400 |
|---|---|
| Volume | 1.3374579387308E+23 |
| Space diagonal | 88576939.735008 |
Equilateral Triangle
Length = n| Perimeter | 153419760 |
|---|---|
| Area | 1.1324544029733E+15 |
| Altitude | 44288469.867504 |
Triangular Pyramid
Length = n| Surface area | 1.1324544029733E+15 |
|---|---|
| Volume | 1.5762092967139E+22 |
| Height | 24107589.480892 |