21568272 (number)
21568272 is an even 8-digits composite number following 21568271 and preceding 21568273. In scientific notation, it is written as 2.1568272 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 40 positive divisors. There are 6535680 positive integers (up to 21568272) that are relatively prime to 21568272.
Interesting facts
- 21568272 has 40 divisors, whose sum is 60784800
- The reverse of 21568272 is 27286512
- Previous prime number is 11
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 sixty-eight thousand two hundred seventy-two |
|---|
Notation
| Scientific notation | 2.1568272 × 10^7 |
|---|---|
| Engineering notation | 2.1568272 × 10^6 |
Prime Factorization of 21568272
Prime Factorization 2 × 2 × 2 × 2 × 3 × 11 × 40849
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2696034 | Product of the distinct prime numbers |
The prime factorization of 21568272 is 2 × 2 × 2 × 2 × 3 × 11 × 40849. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21568272)
Multiplication
n×y| n×2 | 43136544 |
|---|---|
| n×3 | 64704816 |
| n×4 | 86273088 |
| n×5 | 107841360 |
Division
n÷y| n÷2 | 10784136 |
|---|---|
| n÷3 | 7189424 |
| n÷3 | 5392068 |
| n÷5 | 4313654.4 |
Exponentiation
ny| n2 | 465190357065984 |
|---|---|
| n3 | 1.0033352152976E+22 |
| n4 | 2.1640206830718E+29 |
| n5 | 4.6674186706118E+36 |
Nth Root
y√n| 2√n | 4644.1653717326 |
|---|---|
| 3√n | 278.35890363126 |
| 4√n | 68.148113486234 |
| 5√n | 29.292947306275 |
Divisors of 21568272
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 | -21568271 | 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 21568272 can be divided by 40 positive divisors. The sum of these divisors (counting 21568272) is 1, the average is 0.025.
Base conversion 21568272
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1010010010001101100010000 |
| 3 | Ternary | 1111120210002220 |
| 4 | Quaternary | 1102101230100 |
| 5 | Quinary | 21010141042 |
| 6 | Senary | 2050141040 |
| 8 | Octal | 122215420 |
| 10 | Decimal | 21568272 |
| 12 | Duodecimal | 7281780 |
| 16 | Hexadecimal | 1491b10 |
| 20 | Vigesimal | 6eg0dc |
| 36 | Base36 | cua6o |
Cryptographic Hash Functions
| md5 | 1f4d07b3f6e4d427c425bcbe788de4d4 |
|---|---|
| sha1 | 8dac038802e3abd175af7db670857e5197eea7c6 |
| sha256 | e11d825269ac44979a88e190dcd8075f91cbfe0a9e47eba1c90a921cade88afa |
| sha512 | 00a7485da832b17d540b1d90e4e4df57aca140b3279ae2e12398bea4db135be24e5904e7378bfa7a7f24e7cbf694a92ba996a1c5750ff45e5771293f056d7072 |
| ripemd-160 | 53d5be49536667f997b8708c2768dea11e08c370 |
21568272 as geometric shapes
Circle
Radius = n| Diameter | 43136544 |
|---|---|
| Circumference | 135517449.73165 |
| Area | 1.4614386082793E+15 |
Sphere
Radius = n| Volume | 4.2027607219559E+22 |
|---|---|
| Surface area | 5.8457544331172E+15 |
| Circumference | 135517449.73165 |
Square
Length = n| Perimeter | 86273088 |
|---|---|
| Area | 465190357065984 |
| Diagonal | 30502142.779352 |
Cube
Length = n| Surface area | 2791142142395904 |
|---|---|
| Volume | 1.0033352152976E+22 |
| Space diagonal | 37357342.935465 |
Equilateral Triangle
Length = n| Perimeter | 64704816 |
|---|---|
| Area | 2.0143333340735E+14 |
| Altitude | 18678671.467733 |
Triangular Pyramid
Length = n| Surface area | 2.0143333340735E+14 |
|---|---|
| Volume | 1.1824418909004E+21 |
| Height | 10167380.926451 |