21241808 (number)
21241808 is an even 8-digits composite number following 21241807 and preceding 21241809. In scientific notation, it is written as 2.1241808 × 10^7. The sum of its digits is 26. It has a total of 7 prime factors and 40 positive divisors. There are 8997120 positive integers (up to 21241808) that are relatively prime to 21241808.
Interesting facts
- 21241808 has 40 divisors, whose sum is 47586240
- The reverse of 21241808 is 80814212
- Previous prime number is 89
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 26
- Digital Root 8
Name
| Name | twenty-one million two hundred forty-one thousand eight hundred eight |
|---|
Notation
| Scientific notation | 2.1241808 × 10^7 |
|---|---|
| Engineering notation | 2.1241808 × 10^6 |
Prime Factorization of 21241808
Prime Factorization 2 × 2 × 2 × 2 × 7 × 89 × 2131
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2655226 | Product of the distinct prime numbers |
The prime factorization of 21241808 is 2 × 2 × 2 × 2 × 7 × 89 × 2131. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21241808)
Multiplication
n×y| n×2 | 42483616 |
|---|---|
| n×3 | 63725424 |
| n×4 | 84967232 |
| n×5 | 106209040 |
Division
n÷y| n÷2 | 10620904 |
|---|---|
| n÷3 | 7080602.6666667 |
| n÷3 | 5310452 |
| n÷5 | 4248361.6 |
Exponentiation
ny| n2 | 451214407108864 |
|---|---|
| n3 | 9.5846098026403E+21 |
| n4 | 2.035944411826E+29 |
| n5 | 4.3247140294682E+36 |
Nth Root
y√n| 2√n | 4608.8835958397 |
|---|---|
| 3√n | 276.94731541559 |
| 4√n | 67.888758979964 |
| 5√n | 29.203728066215 |
Divisors of 21241808
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 | -21241807 | 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 21241808 can be divided by 40 positive divisors. The sum of these divisors (counting 21241808) is 1, the average is 0.025.
Base conversion 21241808
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010001000001111111010000 |
| 3 | Ternary | 1110222012021122 |
| 4 | Quaternary | 1101001333100 |
| 5 | Quinary | 20414214213 |
| 6 | Senary | 2035141412 |
| 8 | Octal | 121017720 |
| 10 | Decimal | 21241808 |
| 12 | Duodecimal | 7144868 |
| 16 | Hexadecimal | 1441fd0 |
| 20 | Vigesimal | 6cf4a8 |
| 36 | Base36 | cnaa8 |
Cryptographic Hash Functions
| md5 | 17fe1a9ec7f56214bbb6a3001d8a18c5 |
|---|---|
| sha1 | b37faaa1913943d6ee635844df532716b0242889 |
| sha256 | a5ce0ba74c6a8f1e134ecb9456ac43db5ba328f28470dd81572651e506fa5886 |
| sha512 | daef31b5488655dd5b45a569b6cd8f2967e3f6126fe477bf79fa2701a15b096ba5f4c9ce72a07405b76ef9c4c3e3868ee48d33101309323acee4bf4aa07bdf66 |
| ripemd-160 | ca4ef6a2ce02568263ad76783ba28089829334dc |
21241808 as geometric shapes
Circle
Radius = n| Diameter | 42483616 |
|---|---|
| Circumference | 133466215.92353 |
| Area | 1.4175318665671E+15 |
Sphere
Radius = n| Volume | 4.0147919657999E+22 |
|---|---|
| Surface area | 5.6701274662683E+15 |
| Circumference | 133466215.92353 |
Square
Length = n| Perimeter | 84967232 |
|---|---|
| Area | 451214407108864 |
| Diagonal | 30040452.962925 |
Cube
Length = n| Surface area | 2707286442653184 |
|---|---|
| Volume | 9.5846098026403E+21 |
| Space diagonal | 36791890.700623 |
Equilateral Triangle
Length = n| Perimeter | 63725424 |
|---|---|
| Area | 1.9538156955490E+14 |
| Altitude | 18395945.350312 |
Triangular Pyramid
Length = n| Surface area | 1.9538156955490E+14 |
|---|---|
| Volume | 1.1295570977457E+21 |
| Height | 10013484.320975 |