21471636 (number)
21471636 is an even 8-digits composite number following 21471635 and preceding 21471637. In scientific notation, it is written as 2.1471636 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 48 positive divisors. There are 6967296 positive integers (up to 21471636) that are relatively prime to 21471636.
Interesting facts
- 21471636 has 48 divisors, whose sum is 51451904
- The reverse of 21471636 is 63617412
- Previous prime number is 127
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
Name | twenty-one million four hundred seventy-one thousand six hundred thirty-six |
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Notation
Scientific notation | 2.1471636 × 10^7 |
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Engineering notation | 2.1471636 × 10^6 |
Prime Factorization of 21471636
Prime Factorization 2 × 2 × 3 × 73 × 127 × 193
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10735818 | Product of the distinct prime numbers |
The prime factorization of 21471636 is 2 × 2 × 3 × 73 × 127 × 193. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21471636)
Multiplication
n×yn×2 | 42943272 |
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n×3 | 64414908 |
n×4 | 85886544 |
n×5 | 107358180 |
Division
n÷yn÷2 | 10735818 |
---|---|
n÷3 | 7157212 |
n÷3 | 5367909 |
n÷5 | 4294327.2 |
Exponentiation
nyn2 | 461031152516496 |
---|---|
n3 | 9.8990930914947E+21 |
n4 | 2.1254972359069E+29 |
n5 | 4.5637902968399E+36 |
Nth Root
y√n2√n | 4633.7496695441 |
---|---|
3√n | 277.94255494041 |
4√n | 68.071650997637 |
5√n | 29.266650900337 |
Divisors of 21471636
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 | -21471635 | 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 21471636 can be divided by 48 positive divisors. The sum of these divisors (counting 21471636) is 1, the average is 0.020833333333333.
Base conversion 21471636
Base | System | Value |
---|---|---|
2 | Binary | 1010001111010000110010100 |
3 | Ternary | 1111101212112210 |
4 | Quaternary | 1101322012110 |
5 | Quinary | 20444043021 |
6 | Senary | 2044113420 |
8 | Octal | 121720624 |
10 | Decimal | 21471636 |
12 | Duodecimal | 7235870 |
16 | Hexadecimal | 147a194 |
20 | Vigesimal | 6e3j1g |
36 | Base36 | cs7mc |
Cryptographic Hash Functions
md5 | 48bcd2b63768a9c93e7e4d67df9818f0 |
---|---|
sha1 | e96e87cf3f39c7b749d3e4dc364cf844177d13b8 |
sha256 | 16bf438a0f74e918940cd80d0e07521fd28ce6c2f7cdded3c0284f57b471c777 |
sha512 | f6faec2055255911fb430f7049686d61a9c54435b68c79a203e743730fd8f05cbac530574fb71f04f47c1248dd5856ca8126c1c496b0b91f99c2dd342d2b9e9a |
ripemd-160 | d41f4b34957f730bf0061c1de92bf9f87438cfd1 |
21471636 as geometric shapes
Circle
Radius = nDiameter | 42943272 |
---|---|
Circumference | 134910267.83631 |
Area | 1.4483720818219E+15 |
Sphere
Radius = nVolume | 4.1465224177922E+22 |
---|---|
Surface area | 5.7934883272874E+15 |
Circumference | 134910267.83631 |
Square
Length = nPerimeter | 85886544 |
---|---|
Area | 461031152516496 |
Diagonal | 30365478.837538 |
Cube
Length = nSurface area | 2766186915098976 |
---|---|
Volume | 9.8990930914947E+21 |
Space diagonal | 37189964.473625 |
Equilateral Triangle
Length = nPerimeter | 64414908 |
---|---|
Area | 1.9963234500765E+14 |
Altitude | 18594982.236812 |
Triangular Pyramid
Length = nSurface area | 1.9963234500765E+14 |
---|---|
Volume | 1.1666193087655E+21 |
Height | 10121826.279179 |