21743920 (number)
21743920 is an even 8-digits composite number following 21743919 and preceding 21743921. In scientific notation, it is written as 2.1743920 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 40 positive divisors. There are 7906560 positive integers (up to 21743920) that are relatively prime to 21743920.
Interesting facts
- 21743920 has 40 divisors, whose sum is 55152720
- The reverse of 21743920 is 02934712
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 28
- Digital Root 1
Name
| Name | twenty-one million seven hundred forty-three thousand nine hundred twenty |
|---|
Notation
| Scientific notation | 2.1743920 × 10^7 |
|---|---|
| Engineering notation | 2.1743920 × 10^6 |
Prime Factorization of 21743920
Prime Factorization 2 × 2 × 2 × 2 × 5 × 11 × 24709
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2717990 | Product of the distinct prime numbers |
The prime factorization of 21743920 is 2 × 2 × 2 × 2 × 5 × 11 × 24709. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21743920)
Multiplication
n×y| n×2 | 43487840 |
|---|---|
| n×3 | 65231760 |
| n×4 | 86975680 |
| n×5 | 108719600 |
Division
n÷y| n÷2 | 10871960 |
|---|---|
| n÷3 | 7247973.3333333 |
| n÷3 | 5435980 |
| n÷5 | 4348784 |
Exponentiation
ny| n2 | 472798056966400 |
|---|---|
| n3 | 1.0280483126833E+22 |
| n4 | 2.235380026712E+29 |
| n5 | 4.8605924470424E+36 |
Nth Root
y√n| 2√n | 4663.0376365627 |
|---|---|
| 3√n | 279.1124960113 |
| 4√n | 68.286438159877 |
| 5√n | 29.340503904839 |
Divisors of 21743920
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 | -21743919 | 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 21743920 can be divided by 40 positive divisors. The sum of these divisors (counting 21743920) is 1, the average is 0.025.
Base conversion 21743920
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010010111100100100110000 |
| 3 | Ternary | 1111220201001101 |
| 4 | Quaternary | 1102330210300 |
| 5 | Quinary | 21031301140 |
| 6 | Senary | 2054014144 |
| 8 | Octal | 122744460 |
| 10 | Decimal | 21743920 |
| 12 | Duodecimal | 7347354 |
| 16 | Hexadecimal | 14bc930 |
| 20 | Vigesimal | 6fhjg0 |
| 36 | Base36 | cy1ps |
Cryptographic Hash Functions
| md5 | 805560174f9a284e2256cf89341c748e |
|---|---|
| sha1 | 0d32a37b951702597b7d80434d82ffabc7170002 |
| sha256 | 9847e768c07ef18ca7a66891bad41aa541b7dd61f3d4e1ac6e4400d5994b6f76 |
| sha512 | 1d9ce959e82f160251e6734c61e43b7d49989a12ee1cf4b22540b352a3ab3bcde4b2978f5fd52857d50bb009bea7de85c2584be0d1f80c5d080557ce49a7e034 |
| ripemd-160 | ce58c6af4def47e58869b7c3c16e2133dfc0ed76 |
21743920 as geometric shapes
Circle
Radius = n| Diameter | 43487840 |
|---|---|
| Circumference | 136621078.66449 |
| Area | 1.4853389023972E+15 |
Sphere
Radius = n| Volume | 4.3062787022149E+22 |
|---|---|
| Surface area | 5.9413556095887E+15 |
| Circumference | 136621078.66449 |
Square
Length = n| Perimeter | 86975680 |
|---|---|
| Area | 472798056966400 |
| Diagonal | 30750546.563156 |
Cube
Length = n| Surface area | 2836788341798400 |
|---|---|
| Volume | 1.0280483126833E+22 |
| Space diagonal | 37661574.195713 |
Equilateral Triangle
Length = n| Perimeter | 65231760 |
|---|---|
| Area | 2.0472756409641E+14 |
| Altitude | 18830787.097857 |
Triangular Pyramid
Length = n| Surface area | 2.0472756409641E+14 |
|---|---|
| Volume | 1.2115665554762E+21 |
| Height | 10250182.187719 |