21553872 (number)
21553872 is an even 8-digits composite number following 21553871 and preceding 21553873. In scientific notation, it is written as 2.1553872 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 40 positive divisors. There are 7152000 positive integers (up to 21553872) that are relatively prime to 21553872.
Interesting facts
- 21553872 has 40 divisors, whose sum is 55933920
- The reverse of 21553872 is 27835512
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 33
- Digital Root 6
Name
| Name | twenty-one million five hundred fifty-three thousand eight hundred seventy-two |
|---|
Notation
| Scientific notation | 2.1553872 × 10^7 |
|---|---|
| Engineering notation | 2.1553872 × 10^6 |
Prime Factorization of 21553872
Prime Factorization 2 × 2 × 2 × 2 × 251 × 3 × 1789
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2694234 | Product of the distinct prime numbers |
The prime factorization of 21553872 is 2 × 2 × 2 × 2 × 251 × 3 × 1789. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21553872)
Multiplication
n×y| n×2 | 43107744 |
|---|---|
| n×3 | 64661616 |
| n×4 | 86215488 |
| n×5 | 107769360 |
Division
n÷y| n÷2 | 10776936 |
|---|---|
| n÷3 | 7184624 |
| n÷3 | 5388468 |
| n÷5 | 4310774.4 |
Exponentiation
ny| n2 | 464569398192384 |
|---|---|
| n3 | 1.0013269343756E+22 |
| n4 | 2.1582472573683E+29 |
| n5 | 4.6518585129668E+36 |
Nth Root
y√n| 2√n | 4642.6147804874 |
|---|---|
| 3√n | 278.2969413099 |
| 4√n | 68.136735910134 |
| 5√n | 29.289034789437 |
Divisors of 21553872
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 | -21553871 | 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 21553872 can be divided by 40 positive divisors. The sum of these divisors (counting 21553872) is 1, the average is 0.025.
Base conversion 21553872
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010010001110001011010000 |
| 3 | Ternary | 1111120001100120 |
| 4 | Quaternary | 1102032023100 |
| 5 | Quinary | 21004210442 |
| 6 | Senary | 2045550240 |
| 8 | Octal | 122161320 |
| 10 | Decimal | 21553872 |
| 12 | Duodecimal | 7275380 |
| 16 | Hexadecimal | 148e2d0 |
| 20 | Vigesimal | 6ee4dc |
| 36 | Base36 | ctz2o |
Cryptographic Hash Functions
| md5 | 7da638b9ae64a0240ae9a516d3d2ab9b |
|---|---|
| sha1 | 7c7ea11045563583208c4024f4d4ea6a44854a1f |
| sha256 | 142efcc3fc877e9c97712fae060b1110ea5fbb6cb210252efb7bb82129f3b08a |
| sha512 | 5c011b010d523b3c15307b6f766264d09a5988832b36774a2cc917e5cec51c26a6248eb6d236bdd6aacef69c1420dd3ea7d8fe6360d7ca508e355e8c36e8105e |
| ripemd-160 | 75aa1315a9c4d874be47cbcd42353b58cc32527d |
21553872 as geometric shapes
Circle
Radius = n| Diameter | 43107744 |
|---|---|
| Circumference | 135426971.86323 |
| Area | 1.4594878084438E+15 |
Sphere
Radius = n| Volume | 4.1943484545012E+22 |
|---|---|
| Surface area | 5.8379512337753E+15 |
| Circumference | 135426971.86323 |
Square
Length = n| Perimeter | 86215488 |
|---|---|
| Area | 464569398192384 |
| Diagonal | 30481778.104054 |
Cube
Length = n| Surface area | 2787416389154304 |
|---|---|
| Volume | 1.0013269343756E+22 |
| Space diagonal | 37332401.403836 |
Equilateral Triangle
Length = n| Perimeter | 64661616 |
|---|---|
| Area | 2.0116445032773E+14 |
| Altitude | 18666200.701918 |
Triangular Pyramid
Length = n| Surface area | 2.0116445032773E+14 |
|---|---|
| Volume | 1.1800751091362E+21 |
| Height | 10160592.701351 |