21269968 (number)
21269968 is an even 8-digits composite number following 21269967 and preceding 21269969. In scientific notation, it is written as 2.1269968 × 10^7. The sum of its digits is 43. It has a total of 8 prime factors and 80 positive divisors. There are 9331200 positive integers (up to 21269968) that are relatively prime to 21269968.
Interesting facts
- 21269968 has 80 divisors, whose sum is 46743040
- The reverse of 21269968 is 86996212
- Previous prime number is 31
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 43
- Digital Root 7
Name
Name | twenty-one million two hundred sixty-nine thousand nine hundred sixty-eight |
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Notation
Scientific notation | 2.1269968 × 10^7 |
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Engineering notation | 2.1269968 × 10^6 |
Prime Factorization of 21269968
Prime Factorization 2 × 2 × 2 × 2 × 19 × 37 × 31 × 61
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2658746 | Product of the distinct prime numbers |
The prime factorization of 21269968 is 2 × 2 × 2 × 2 × 19 × 37 × 31 × 61. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21269968)
Multiplication
n×yn×2 | 42539936 |
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n×3 | 63809904 |
n×4 | 85079872 |
n×5 | 106349840 |
Division
n÷yn÷2 | 10634984 |
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n÷3 | 7089989.3333333 |
n÷3 | 5317492 |
n÷5 | 4253993.6 |
Exponentiation
nyn2 | 452411538721024 |
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n3 | 9.6227789514269E+21 |
n4 | 2.0467620036792E+29 |
n5 | 4.3534562321873E+36 |
Nth Root
y√n2√n | 4611.9375537837 |
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3√n | 277.06964324294 |
4√n | 67.911247623524 |
5√n | 29.211466967187 |
Divisors of 21269968
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21269967 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21269968 can be divided by 80 positive divisors. The sum of these divisors (counting 21269968) is 1, the average is 0.0125.
Base conversion 21269968
Base | System | Value |
---|---|---|
2 | Binary | 1010001001000110111010000 |
3 | Ternary | 1111000121220121 |
4 | Quaternary | 1101020313100 |
5 | Quinary | 20421114333 |
6 | Senary | 2035520024 |
8 | Octal | 121106720 |
10 | Decimal | 21269968 |
12 | Duodecimal | 7159014 |
16 | Hexadecimal | 1448dd0 |
20 | Vigesimal | 6ciei8 |
36 | Base36 | cnw0g |
Cryptographic Hash Functions
md5 | 35526fad3a7c2bab45a535c4790626b9 |
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sha1 | 6488d2d87b121b15246106db584f19e1ede006c2 |
sha256 | fd1787f6648db168c5e0226783afe7831ff0272b9bb264b7066a09d0f2956a49 |
sha512 | 35b015291b02a9b1d309838c6bfa7f97060a18ee5ceb062b8b7b55de603bbe58a35bc6d72a7600698c2d93565d34eec6d567d44ad74cd01858461fad660d017b |
ripemd-160 | 24f6420c45e30cf225ee3da15cab8986693c2b36 |
21269968 as geometric shapes
Circle
Radius = nDiameter | 42539936 |
---|---|
Circumference | 133643150.42178 |
Area | 1.4212927664452E+15 |
Sphere
Radius = nVolume | 4.0307802214562E+22 |
---|---|
Surface area | 5.6851710657809E+15 |
Circumference | 133643150.42178 |
Square
Length = nPerimeter | 85079872 |
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Area | 452411538721024 |
Diagonal | 30080277.216842 |
Cube
Length = nSurface area | 2714469232326144 |
---|---|
Volume | 9.6227789514269E+21 |
Space diagonal | 36840665.251364 |
Equilateral Triangle
Length = nPerimeter | 63809904 |
---|---|
Area | 1.9589994274881E+14 |
Altitude | 18420332.625682 |
Triangular Pyramid
Length = nSurface area | 1.9589994274881E+14 |
---|---|
Volume | 1.1340553750689E+21 |
Height | 10026759.072281 |