20789840 (number)
20789840 is an even 8-digits composite number following 20789839 and preceding 20789841. In scientific notation, it is written as 2.0789840 × 10^7. The sum of its digits is 38. It has a total of 8 prime factors and 80 positive divisors. There are 7872000 positive integers (up to 20789840) that are relatively prime to 20789840.
Interesting facts
- 20789840 has 80 divisors, whose sum is 50996736
- The reverse of 20789840 is 04898702
- Previous prime number is 101
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 38
- Digital Root 2
Name
Name | twenty million seven hundred eighty-nine thousand eight hundred forty |
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Notation
Scientific notation | 2.0789840 × 10^7 |
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Engineering notation | 2.0789840 × 10^6 |
Prime Factorization of 20789840
Prime Factorization 2 × 2 × 2 × 2 × 5 × 31 × 101 × 83
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2598730 | Product of the distinct prime numbers |
The prime factorization of 20789840 is 2 × 2 × 2 × 2 × 5 × 31 × 101 × 83. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20789840)
Multiplication
n×yn×2 | 41579680 |
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n×3 | 62369520 |
n×4 | 83159360 |
n×5 | 103949200 |
Division
n÷yn÷2 | 10394920 |
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n÷3 | 6929946.6666667 |
n÷3 | 5197460 |
n÷5 | 4157968 |
Exponentiation
nyn2 | 432217447225600 |
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n3 | 8.9857315730287E+21 |
n4 | 1.8681192168621E+29 |
n5 | 3.8837899619489E+36 |
Nth Root
y√n2√n | 4559.5877006589 |
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3√n | 274.96898823847 |
4√n | 67.524719182377 |
5√n | 29.07838145498 |
Divisors of 20789840
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 | -20789839 | 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 20789840 can be divided by 80 positive divisors. The sum of these divisors (counting 20789840) is 1, the average is 0.0125.
Base conversion 20789840
Base | System | Value |
---|---|---|
2 | Binary | 1001111010011101001010000 |
3 | Ternary | 1110010020022002 |
4 | Quaternary | 1033103221100 |
5 | Quinary | 20310233330 |
6 | Senary | 2021333132 |
8 | Octal | 117235120 |
10 | Decimal | 20789840 |
12 | Duodecimal | 6b671a8 |
16 | Hexadecimal | 13d3a50 |
20 | Vigesimal | 69iec0 |
36 | Base36 | cdljk |
Cryptographic Hash Functions
md5 | 9bd5e0897ca4de2ca90b1b81871495ab |
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sha1 | a81bab74a960a9f89b853518f15a038864d9af61 |
sha256 | 56e8aac15c577823ab004305982567a611d266c9ce9663196a193679f68695b6 |
sha512 | 79ca2aa77858cce61b143de497eef6f95b6269c8c74bd559dfd13b77cc31e6bcbf7b8a6c32a2a61d5b811f7185465c149a9c6ed7854e98f744be1275a309b10d |
ripemd-160 | 8a7ae2499d8d2a569c748f2e34eed81ef8c92b4c |
20789840 as geometric shapes
Circle
Radius = nDiameter | 41579680 |
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Circumference | 130626417.22661 |
Area | 1.3578511569573E+15 |
Sphere
Radius = nVolume | 3.7639344395942E+22 |
---|---|
Surface area | 5.4314046278291E+15 |
Circumference | 130626417.22661 |
Square
Length = nPerimeter | 83159360 |
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Area | 432217447225600 |
Diagonal | 29401273.687567 |
Cube
Length = nSurface area | 2593304683353600 |
---|---|
Volume | 8.9857315730287E+21 |
Space diagonal | 36009059.161228 |
Equilateral Triangle
Length = nPerimeter | 62369520 |
---|---|
Area | 1.8715564462811E+14 |
Altitude | 18004529.580614 |
Triangular Pyramid
Length = nSurface area | 1.8715564462811E+14 |
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Volume | 1.0589786215351E+21 |
Height | 9800424.5625222 |