21136440 (number)
21136440 is an even 8-digits composite number following 21136439 and preceding 21136441. In scientific notation, it is written as 2.1136440 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 128 positive divisors. There are 4890624 positive integers (up to 21136440) that are relatively prime to 21136440.
Interesting facts
- 21136440 has 128 divisors, whose sum is 72394560
- The reverse of 21136440 is 04463112
- Previous prime number is 5
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
Name | twenty-one million one hundred thirty-six thousand four hundred forty |
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Notation
Scientific notation | 2.1136440 × 10^7 |
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Engineering notation | 2.1136440 × 10^6 |
Prime Factorization of 21136440
Prime Factorization 2 × 2 × 2 × 3 × 13 × 17 × 5 × 797
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 5284110 | Product of the distinct prime numbers |
The prime factorization of 21136440 is 2 × 2 × 2 × 3 × 13 × 17 × 5 × 797. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21136440)
Multiplication
n×yn×2 | 42272880 |
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n×3 | 63409320 |
n×4 | 84545760 |
n×5 | 105682200 |
Division
n÷yn÷2 | 10568220 |
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n÷3 | 7045480 |
n÷3 | 5284110 |
n÷5 | 4227288 |
Exponentiation
nyn2 | 446749095873600 |
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n3 | 9.4426854599866E+21 |
n4 | 1.9958475466388E+29 |
n5 | 4.2185111918678E+36 |
Nth Root
y√n2√n | 4597.4384172058 |
---|---|
3√n | 276.48863241571 |
4√n | 67.804412962622 |
5√n | 29.174697936608 |
Divisors of 21136440
128 divisors
τ | Total Divisors | 128 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21136439 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0078125 | 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 | 128 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21136440 can be divided by 128 positive divisors. The sum of these divisors (counting 21136440) is 1, the average is 0.0078125.
Base conversion 21136440
Base | System | Value |
---|---|---|
2 | Binary | 1010000101000010000111000 |
3 | Ternary | 1110202211202010 |
4 | Quaternary | 1100220100320 |
5 | Quinary | 20402331230 |
6 | Senary | 2033005520 |
8 | Octal | 120502070 |
10 | Decimal | 21136440 |
12 | Duodecimal | 70b38a0 |
16 | Hexadecimal | 1428438 |
20 | Vigesimal | 6c2120 |
36 | Base36 | cl0zc |
Cryptographic Hash Functions
md5 | 975f7de176196d4daa7236e99c241a42 |
---|---|
sha1 | 343b16c8628b3f135e0a1ff644b87eb91d996c7a |
sha256 | 03ca4770f91042663243980254a0484e78667b2471e80d4d6d30a112707a6ddd |
sha512 | 8e8b3e72e4fdc65978a746f83f9126ee786de0d52450ffd68ef6c5ab089ef879be2c75891239ded5dc7d5d2cd378420e2f36aa7a0ac7f5e15b728e846002ff70 |
ripemd-160 | beb3fb52dbdd8ea40222cfeeb38ddf175858eff8 |
21136440 as geometric shapes
Circle
Radius = nDiameter | 42272880 |
---|---|
Circumference | 132804169.25408 |
Area | 1.4035036775944E+15 |
Sphere
Radius = nVolume | 3.9553428361671E+22 |
---|---|
Surface area | 5.6140147103775E+15 |
Circumference | 132804169.25408 |
Square
Length = nPerimeter | 84545760 |
---|---|
Area | 446749095873600 |
Diagonal | 29891440.108285 |
Cube
Length = nSurface area | 2680494575241600 |
---|---|
Volume | 9.4426854599866E+21 |
Space diagonal | 36609387.971131 |
Equilateral Triangle
Length = nPerimeter | 63409320 |
---|---|
Area | 1.9344803307213E+14 |
Altitude | 18304693.985566 |
Triangular Pyramid
Length = nSurface area | 1.9344803307213E+14 |
---|---|
Volume | 1.1128311535614E+21 |
Height | 9963813.3694284 |