21056427 (number)
21056427 is an odd 8-digits composite number following 21056426 and preceding 21056428. In scientific notation, it is written as 2.1056427 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 48 positive divisors. There are 11367216 positive integers (up to 21056427) that are relatively prime to 21056427.
Interesting facts
- 21056427 has 48 divisors, whose sum is 37440000
- The reverse of 21056427 is 72465012
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million fifty-six thousand four hundred twenty-seven |
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Notation
Scientific notation | 2.1056427 × 10^7 |
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Engineering notation | 2.1056427 × 10^6 |
Prime Factorization of 21056427
Prime Factorization 3 × 3 × 7 × 7 × 7 × 19 × 359
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 143241 | Product of the distinct prime numbers |
The prime factorization of 21056427 is 3 × 3 × 7 × 7 × 7 × 19 × 359. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21056427)
Multiplication
n×yn×2 | 42112854 |
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n×3 | 63169281 |
n×4 | 84225708 |
n×5 | 105282135 |
Division
n÷yn÷2 | 10528213.5 |
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n÷3 | 7018809 |
n÷3 | 5264106.75 |
n÷5 | 4211285.4 |
Exponentiation
nyn2 | 443373118006329 |
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n3 | 9.3358536930627E+21 |
n4 | 1.9657972177065E+29 |
n5 | 4.1392665611441E+36 |
Nth Root
y√n2√n | 4588.7282551923 |
---|---|
3√n | 276.1393042839 |
4√n | 67.740152459175 |
5√n | 29.152575972069 |
Divisors of 21056427
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21056426 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21056427 can be divided by 48 positive divisors. The sum of these divisors (counting 21056427) is 1, the average is 0.020833333333333.
Base conversion 21056427
Base | System | Value |
---|---|---|
2 | Binary | 1010000010100101110101011 |
3 | Ternary | 1110121202222200 |
4 | Quaternary | 1100110232223 |
5 | Quinary | 20342301202 |
6 | Senary | 2031151243 |
8 | Octal | 120245653 |
10 | Decimal | 21056427 |
12 | Duodecimal | 7075523 |
16 | Hexadecimal | 1414bab |
20 | Vigesimal | 6bc117 |
36 | Base36 | cjb8r |
Cryptographic Hash Functions
md5 | 1a8e4e9ebde7e6c2acd7050a0b40904c |
---|---|
sha1 | e06668dd8918700d2ff571e46a7453e44b51c9a1 |
sha256 | 4e95e8299fb19f683acc9ee3461a14283f8107da78aa86acb329af702264ba70 |
sha512 | 77fc8cbe38414db6c836d67ab9b5c833e77b2a37c04c2a43145dba910ba502acb09002247460a52d7f63be7a075191bf77e48bd3f3f171a688cba9b32d73bc77 |
ripemd-160 | ad383c52380d699842f083ff1d429d0a024a225e |
21056427 as geometric shapes
Circle
Radius = nDiameter | 42112854 |
---|---|
Circumference | 132301432.7481 |
Area | 1.3928977303279E+15 |
Sphere
Radius = nVolume | 3.910593250282E+22 |
---|---|
Surface area | 5.5715909213115E+15 |
Circumference | 132301432.7481 |
Square
Length = nPerimeter | 84225708 |
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Area | 443373118006329 |
Diagonal | 29778284.638519 |
Cube
Length = nSurface area | 2660238708037974 |
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Volume | 9.3358536930627E+21 |
Space diagonal | 36470801.389865 |
Equilateral Triangle
Length = nPerimeter | 63169281 |
---|---|
Area | 1.919861917743E+14 |
Altitude | 18235400.694933 |
Triangular Pyramid
Length = nSurface area | 1.919861917743E+14 |
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Volume | 1.1002409090883E+21 |
Height | 9926094.8795063 |