20797872 (number)
20797872 is an even 8-digits composite number following 20797871 and preceding 20797873. In scientific notation, it is written as 2.0797872 × 10^7. The sum of its digits is 42. It has a total of 8 prime factors and 80 positive divisors. There are 6564096 positive integers (up to 20797872) that are relatively prime to 20797872.
Interesting facts
- 20797872 has 80 divisors, whose sum is 56663040
- The reverse of 20797872 is 27879702
- Previous prime number is 67
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
Name | twenty million seven hundred ninety-seven thousand eight hundred seventy-two |
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Notation
Scientific notation | 2.0797872 × 10^7 |
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Engineering notation | 2.0797872 × 10^6 |
Prime Factorization of 20797872
Prime Factorization 2 × 2 × 2 × 2 × 29 × 3 × 67 × 223
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2599734 | Product of the distinct prime numbers |
The prime factorization of 20797872 is 2 × 2 × 2 × 2 × 29 × 3 × 67 × 223. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20797872)
Multiplication
n×yn×2 | 41595744 |
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n×3 | 62393616 |
n×4 | 83191488 |
n×5 | 103989360 |
Division
n÷yn÷2 | 10398936 |
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n÷3 | 6932624 |
n÷3 | 5199468 |
n÷5 | 4159574.4 |
Exponentiation
nyn2 | 432551479728384 |
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n3 | 8.9961503088015E+21 |
n4 | 1.8710078261521E+29 |
n5 | 3.8912981279311E+36 |
Nth Root
y√n2√n | 4560.4683969961 |
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3√n | 275.00439442014 |
4√n | 67.531240155917 |
5√n | 29.080627951104 |
Divisors of 20797872
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 | -20797871 | 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 20797872 can be divided by 80 positive divisors. The sum of these divisors (counting 20797872) is 1, the average is 0.0125.
Base conversion 20797872
Base | System | Value |
---|---|---|
2 | Binary | 1001111010101100110110000 |
3 | Ternary | 1110010122022120 |
4 | Quaternary | 1033111212300 |
5 | Quinary | 20311012442 |
6 | Senary | 2021434240 |
8 | Octal | 117254660 |
10 | Decimal | 20797872 |
12 | Duodecimal | 6b6b980 |
16 | Hexadecimal | 13d59b0 |
20 | Vigesimal | 69jedc |
36 | Base36 | cdrqo |
Cryptographic Hash Functions
md5 | 5c33a0bb78aebd597be0266f93df0efd |
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sha1 | 58d15298e78d0dbaa25b2811129740da7c1065c1 |
sha256 | bef9676060174027d98bd810b35202c75d9c40617a243c240bae2d79e4069139 |
sha512 | 61458f8ad3d1040a848f86df08f741ad192d01e9d75de9995fa5c6bbb08e9d10c93ca4e6b5f12ad665a2baed8f2582f958c92878c17e9e882f9a08d41688ff8f |
ripemd-160 | 2afdaf2f012f627953ae7aa25bb9d610137a703b |
20797872 as geometric shapes
Circle
Radius = nDiameter | 41595744 |
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Circumference | 130676883.771 |
Area | 1.3589005510141E+15 |
Sphere
Radius = nVolume | 3.7682986294294E+22 |
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Surface area | 5.4356022040563E+15 |
Circumference | 130676883.771 |
Square
Length = nPerimeter | 83191488 |
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Area | 432551479728384 |
Diagonal | 29412632.6509 |
Cube
Length = nSurface area | 2595308878370304 |
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Volume | 8.9961503088015E+21 |
Space diagonal | 36022970.993314 |
Equilateral Triangle
Length = nPerimeter | 62393616 |
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Area | 1.8730028494467E+14 |
Altitude | 18011485.496657 |
Triangular Pyramid
Length = nSurface area | 1.8730028494467E+14 |
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Volume | 1.0602064813212E+21 |
Height | 9804210.8836332 |