20798540 (number)
20798540 is an even 8-digits composite number following 20798539 and preceding 20798541. In scientific notation, it is written as 2.0798540 × 10^7. The sum of its digits is 35. It has a total of 7 prime factors and 72 positive divisors. There are 6749568 positive integers (up to 20798540) that are relatively prime to 20798540.
Interesting facts
- 20798540 has 72 divisors, whose sum is 53529840
- The reverse of 20798540 is 04589702
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 35
- Digital Root 8
Name
Name | twenty million seven hundred ninety-eight thousand five hundred forty |
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Notation
Scientific notation | 2.0798540 × 10^7 |
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Engineering notation | 2.0798540 × 10^6 |
Prime Factorization of 20798540
Prime Factorization 2 × 2 × 7 × 5 × 19 × 7 × 1117
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 1485610 | Product of the distinct prime numbers |
The prime factorization of 20798540 is 2 × 2 × 7 × 5 × 19 × 7 × 1117. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20798540)
Multiplication
n×yn×2 | 41597080 |
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n×3 | 62395620 |
n×4 | 83194160 |
n×5 | 103992700 |
Division
n÷yn÷2 | 10399270 |
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n÷3 | 6932846.6666667 |
n÷3 | 5199635 |
n÷5 | 4159708 |
Exponentiation
nyn2 | 432579266131600 |
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n3 | 8.9970171698087E+21 |
n4 | 1.8712482148695E+29 |
n5 | 3.8919230846893E+36 |
Nth Root
y√n2√n | 4560.5416344991 |
---|---|
3√n | 275.00733864713 |
4√n | 67.5317824028 |
5√n | 29.080814754926 |
Divisors of 20798540
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 | -20798539 | 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 20798540 can be divided by 72 positive divisors. The sum of these divisors (counting 20798540) is 1, the average is 0.013888888888889.
Base conversion 20798540
Base | System | Value |
---|---|---|
2 | Binary | 1001111010101110001001100 |
3 | Ternary | 1110010200020022 |
4 | Quaternary | 1033111301030 |
5 | Quinary | 20311023130 |
6 | Senary | 2021441312 |
8 | Octal | 117256114 |
10 | Decimal | 20798540 |
12 | Duodecimal | 6b70238 |
16 | Hexadecimal | 13d5c4c |
20 | Vigesimal | 69jg70 |
36 | Base36 | cds98 |
Cryptographic Hash Functions
md5 | 2235acfea26d66f3dbd3239e5cafca13 |
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sha1 | 879917b50c626b19ee559ac7243058d437bbedd1 |
sha256 | 109d302934e464d4a4ef6c46c8e39467bf840e5719018983f20bb6e67be1adfb |
sha512 | 7e556d469be6197225223ca1d578fdbb67456ecda3f95cf30e6f158adfca244fe7a14795b847a4ea6463aea62090724fa42d806423d3877ffe8edd1ecc979d05 |
ripemd-160 | dfbfdd0707b5d31c947d77be7774a6e40077789d |
20798540 as geometric shapes
Circle
Radius = nDiameter | 41597080 |
---|---|
Circumference | 130681080.93879 |
Area | 1.3589878445743E+15 |
Sphere
Radius = nVolume | 3.768661739319E+22 |
---|---|
Surface area | 5.4359513782972E+15 |
Circumference | 130681080.93879 |
Square
Length = nPerimeter | 83194160 |
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Area | 432579266131600 |
Diagonal | 29413577.345559 |
Cube
Length = nSurface area | 2595475596789600 |
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Volume | 8.9970171698087E+21 |
Space diagonal | 36024128.003254 |
Equilateral Triangle
Length = nPerimeter | 62395620 |
---|---|
Area | 1.873123168102E+14 |
Altitude | 18012064.001627 |
Triangular Pyramid
Length = nSurface area | 1.873123168102E+14 |
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Volume | 1.0603086418706E+21 |
Height | 9804525.7818531 |