21271656 (number)
21271656 is an even 8-digits composite number following 21271655 and preceding 21271657. In scientific notation, it is written as 2.1271656 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 64 positive divisors. There are 5960448 positive integers (up to 21271656) that are relatively prime to 21271656.
Interesting facts
- 21271656 has 64 divisors, whose sum is 61948800
- The reverse of 21271656 is 65617212
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
Name | twenty-one million two hundred seventy-one thousand six hundred fifty-six |
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Notation
Scientific notation | 2.1271656 × 10^7 |
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Engineering notation | 2.1271656 × 10^6 |
Prime Factorization of 21271656
Prime Factorization 2 × 2 × 2 × 7 × 53 × 3 × 2389
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5317914 | Product of the distinct prime numbers |
The prime factorization of 21271656 is 2 × 2 × 2 × 7 × 53 × 3 × 2389. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21271656)
Multiplication
n×yn×2 | 42543312 |
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n×3 | 63814968 |
n×4 | 85086624 |
n×5 | 106358280 |
Division
n÷yn÷2 | 10635828 |
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n÷3 | 7090552 |
n÷3 | 5317914 |
n÷5 | 4254331.2 |
Exponentiation
nyn2 | 452483348982336 |
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n3 | 9.6250701452802E+21 |
n4 | 2.0474118110627E+29 |
n5 | 4.3551839735263E+36 |
Nth Root
y√n2√n | 4612.1205534981 |
---|---|
3√n | 277.07697253129 |
4√n | 67.912594954825 |
5√n | 29.211930601087 |
Divisors of 21271656
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21271655 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21271656 can be divided by 64 positive divisors. The sum of these divisors (counting 21271656) is 1, the average is 0.015625.
Base conversion 21271656
Base | System | Value |
---|---|---|
2 | Binary | 1010001001001010001101000 |
3 | Ternary | 1111000201020010 |
4 | Quaternary | 1101021101220 |
5 | Quinary | 20421143111 |
6 | Senary | 2035531520 |
8 | Octal | 121112150 |
10 | Decimal | 21271656 |
12 | Duodecimal | 7159ba0 |
16 | Hexadecimal | 1449468 |
20 | Vigesimal | 6cij2g |
36 | Base36 | cnxbc |
Cryptographic Hash Functions
md5 | 3623e166285fb36bcfe36af30a40a2cc |
---|---|
sha1 | cd950c13df4004c6120a67e05b31718e5288a907 |
sha256 | 5bddecaa70e54f78116ed0ebfbfea6e8ce8a0f7498a94221a80843483d037697 |
sha512 | 418f5a995a96a20003ebd6c0d9e2b42bae6f1b77b5deceeb40f10e5145486e5afa99f23d7453eeaab98142f3c92f6e17ad7faaf2c343751d2f1e5ea9ccb77dfb |
ripemd-160 | f2220cb4b34078ef161b467482b39bb7755e2ed0 |
21271656 as geometric shapes
Circle
Radius = nDiameter | 42543312 |
---|---|
Circumference | 133653756.43858 |
Area | 1.4215183650346E+15 |
Sphere
Radius = nVolume | 4.0317399544932E+22 |
---|---|
Surface area | 5.6860734601385E+15 |
Circumference | 133653756.43858 |
Square
Length = nPerimeter | 85086624 |
---|---|
Area | 452483348982336 |
Diagonal | 30082664.409335 |
Cube
Length = nSurface area | 2714900093894016 |
---|---|
Volume | 9.6250701452802E+21 |
Space diagonal | 36843588.953127 |
Equilateral Triangle
Length = nPerimeter | 63814968 |
---|---|
Area | 1.9593103750408E+14 |
Altitude | 18421794.476564 |
Triangular Pyramid
Length = nSurface area | 1.9593103750408E+14 |
---|---|
Volume | 1.134325394854E+21 |
Height | 10027554.803112 |