20921432 (number)
20921432 is an even 8-digits composite number following 20921431 and preceding 20921433. In scientific notation, it is written as 2.0921432 × 10^7. The sum of its digits is 23. It has a total of 8 prime factors and 72 positive divisors. There are 8334144 positive integers (up to 20921432) that are relatively prime to 20921432.
Interesting facts
- 20921432 has 72 divisors, whose sum is 48957300
- The reverse of 20921432 is 23412902
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 23
- Digital Root 5
Name
Name | twenty million nine hundred twenty-one thousand four hundred thirty-two |
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Notation
Scientific notation | 2.0921432 × 10^7 |
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Engineering notation | 2.0921432 × 10^6 |
Prime Factorization of 20921432
Prime Factorization 2 × 2 × 2 × 19 × 53 × 7 × 7 × 53
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 14098 | Product of the distinct prime numbers |
The prime factorization of 20921432 is 2 × 2 × 2 × 19 × 53 × 7 × 7 × 53. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20921432)
Multiplication
n×yn×2 | 41842864 |
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n×3 | 62764296 |
n×4 | 83685728 |
n×5 | 104607160 |
Division
n÷yn÷2 | 10460716 |
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n÷3 | 6973810.6666667 |
n÷3 | 5230358 |
n÷5 | 4184286.4 |
Exponentiation
nyn2 | 437706316930624 |
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n3 | 9.1574429456345E+21 |
n4 | 1.9158681988097E+29 |
n5 | 4.008270624236E+36 |
Nth Root
y√n2√n | 4573.995190203 |
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3√n | 275.54791915285 |
4√n | 67.631318116705 |
5√n | 29.115099687693 |
Divisors of 20921432
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20921431 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20921432 can be divided by 72 positive divisors. The sum of these divisors (counting 20921432) is 1, the average is 0.013888888888889.
Base conversion 20921432
Base | System | Value |
---|---|---|
2 | Binary | 1001111110011110001011000 |
3 | Ternary | 1110100220210212 |
4 | Quaternary | 1033303301120 |
5 | Quinary | 20323441212 |
6 | Senary | 2024230252 |
8 | Octal | 117636130 |
10 | Decimal | 20921432 |
12 | Duodecimal | 700b388 |
16 | Hexadecimal | 13f3c58 |
20 | Vigesimal | 6af3bc |
36 | Base36 | cgf2w |
Cryptographic Hash Functions
md5 | 5c26c1af294838d7f791f58ffec17ff4 |
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sha1 | f392f6cdc022e2b9901fbfa39c0aeb416faf498b |
sha256 | 6a9d8cf61157e3afd4e56dadc7df4d62dd0df7c48ef8efebad49c33d9ac7b588 |
sha512 | 36a7d871f7c98fe1d3231caf3133054d4ed0405fb3745df5910684a129d63f91469adab6482f03cfdf6d9ef87925405d9459ff1dece2ee0502f8e3ead3167c0f |
ripemd-160 | e839c52e6b84883cc22b5cabf9b56944f858cc2d |
20921432 as geometric shapes
Circle
Radius = nDiameter | 41842864 |
---|---|
Circumference | 131453234.14756 |
Area | 1.3750949496991E+15 |
Sphere
Radius = nVolume | 3.8358607311564E+22 |
---|---|
Surface area | 5.5003797987964E+15 |
Circumference | 131453234.14756 |
Square
Length = nPerimeter | 83685728 |
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Area | 437706316930624 |
Diagonal | 29587372.878666 |
Cube
Length = nSurface area | 2626237901583744 |
---|---|
Volume | 9.1574429456345E+21 |
Space diagonal | 36236983.191097 |
Equilateral Triangle
Length = nPerimeter | 62764296 |
---|---|
Area | 1.8953239492942E+14 |
Altitude | 18118491.595549 |
Triangular Pyramid
Length = nSurface area | 1.8953239492942E+14 |
---|---|
Volume | 1.0792150008645E+21 |
Height | 9862457.6262222 |