20509968 (number)
20509968 is an even 8-digits composite number following 20509967 and preceding 20509969. In scientific notation, it is written as 2.0509968 × 10^7. The sum of its digits is 39. It has a total of 7 prime factors and 40 positive divisors. There are 6314112 positive integers (up to 20509968) that are relatively prime to 20509968.
Interesting facts
- 20509968 has 40 divisors, whose sum is 53150368
- The reverse of 20509968 is 86990502
- Previous prime number is 817
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
Name | twenty million five hundred nine thousand nine hundred sixty-eight |
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Notation
Scientific notation | 2.0509968 × 10^7 |
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Engineering notation | 2.0509968 × 10^6 |
Prime Factorization of 20509968
Prime Factorization 2 × 2 × 2 × 2 × 3 × 817 × 523
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2563746 | Product of the distinct prime numbers |
The prime factorization of 20509968 is 2 × 2 × 2 × 2 × 3 × 817 × 523. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20509968)
Multiplication
n×yn×2 | 41019936 |
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n×3 | 61529904 |
n×4 | 82039872 |
n×5 | 102549840 |
Division
n÷yn÷2 | 10254984 |
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n÷3 | 6836656 |
n÷3 | 5127492 |
n÷5 | 4101993.6 |
Exponentiation
nyn2 | 420658787361024 |
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n3 | 8.6276982676934E+21 |
n4 | 1.7695381538405E+29 |
n5 | 3.6293170910047E+36 |
Nth Root
y√n2√n | 4528.7932167411 |
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3√n | 273.72953580265 |
4√n | 67.29630908706 |
5√n | 28.999666037346 |
Divisors of 20509968
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20509967 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20509968 can be divided by 40 positive divisors. The sum of these divisors (counting 20509968) is 1, the average is 0.025.
Base conversion 20509968
Base | System | Value |
---|---|---|
2 | Binary | 1001110001111010100010000 |
3 | Ternary | 1102121000101110 |
4 | Quaternary | 1032033110100 |
5 | Quinary | 20222304333 |
6 | Senary | 2011333320 |
8 | Octal | 116172420 |
10 | Decimal | 20509968 |
12 | Duodecimal | 6a51240 |
16 | Hexadecimal | 138f510 |
20 | Vigesimal | 683ei8 |
36 | Base36 | c7llc |
Cryptographic Hash Functions
md5 | 4db50d7cc8bcdc620f04e4768642bf0f |
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sha1 | f654800b53b9f1cccd111f40940d94d661b6220a |
sha256 | 3a8bb384fa66d48726d95640ca8c4ae19e3c1937d6cb565e89960a926dca1405 |
sha512 | 05fc4f31ee00bec86eed926d6610ac06ccf9e481ff3cca611b79b11feeb7d5149f13ab140e73c22b65e831f866707f0b38c2d5e11782c4ae47e431a0b804ab50 |
ripemd-160 | a2a83be17482503cf7bf56edc1f2e364314f7dc8 |
20509968 as geometric shapes
Circle
Radius = nDiameter | 41019936 |
---|---|
Circumference | 128867929.58832 |
Area | 1.3215385560414E+15 |
Sphere
Radius = nVolume | 3.6139617993567E+22 |
---|---|
Surface area | 5.2861542241655E+15 |
Circumference | 128867929.58832 |
Square
Length = nPerimeter | 82039872 |
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Area | 420658787361024 |
Diagonal | 29005474.909438 |
Cube
Length = nSurface area | 2523952724166144 |
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Volume | 8.6276982676934E+21 |
Space diagonal | 35524306.637612 |
Equilateral Triangle
Length = nPerimeter | 61529904 |
---|---|
Area | 1.821505980899E+14 |
Altitude | 17762153.318806 |
Triangular Pyramid
Length = nSurface area | 1.821505980899E+14 |
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Volume | 1.0167839918529E+21 |
Height | 9668491.6364794 |