21031824 (number)
21031824 is an even 8-digits composite number following 21031823 and preceding 21031825. In scientific notation, it is written as 2.1031824 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 80 positive divisors. There are 6259200 positive integers (up to 21031824) that are relatively prime to 21031824.
Interesting facts
- 21031824 has 80 divisors, whose sum is 60335424
- The reverse of 21031824 is 42813012
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
Name | twenty-one million thirty-one thousand eight hundred twenty-four |
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Notation
Scientific notation | 2.1031824 × 10^7 |
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Engineering notation | 2.1031824 × 10^6 |
Prime Factorization of 21031824
Prime Factorization 2 × 2 × 2 × 2 × 3 × 11 × 61 × 653
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 2628978 | Product of the distinct prime numbers |
The prime factorization of 21031824 is 2 × 2 × 2 × 2 × 3 × 11 × 61 × 653. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21031824)
Multiplication
n×yn×2 | 42063648 |
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n×3 | 63095472 |
n×4 | 84127296 |
n×5 | 105159120 |
Division
n÷yn÷2 | 10515912 |
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n÷3 | 7010608 |
n÷3 | 5257956 |
n÷5 | 4206364.8 |
Exponentiation
nyn2 | 442337620766976 |
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n3 | 9.3031669885498E+21 |
n4 | 1.9566257074579E+29 |
n5 | 4.115140751313E+36 |
Nth Root
y√n2√n | 4586.0466635219 |
---|---|
3√n | 276.03171238215 |
4√n | 67.720356345207 |
5√n | 29.145760226162 |
Divisors of 21031824
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 | -21031823 | 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 21031824 can be divided by 80 positive divisors. The sum of these divisors (counting 21031824) is 1, the average is 0.0125.
Base conversion 21031824
Base | System | Value |
---|---|---|
2 | Binary | 1010000001110101110010000 |
3 | Ternary | 1110120112020110 |
4 | Quaternary | 1100032232100 |
5 | Quinary | 20341004244 |
6 | Senary | 2030441320 |
8 | Octal | 120165620 |
10 | Decimal | 21031824 |
12 | Duodecimal | 7063240 |
16 | Hexadecimal | 140eb90 |
20 | Vigesimal | 6b8jb4 |
36 | Base36 | cis9c |
Cryptographic Hash Functions
md5 | 7bedf03a0c1d3ffe1d07db13cc875502 |
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sha1 | 4519cd477e7a1cede399548210028f75ffb69631 |
sha256 | 169084aa9708c34fcb1a1720a70d2f11aa8cb67d4ce94e5a0d9596a6eacf1c1d |
sha512 | a26110af3a47b49e3ea87abe289319329e44a0cd297cdbdbd474aeb0945333612ef694bba4ddf22cf1be073f1293bfa0ab819375d90a9e2fed1078bc46bbd60c |
ripemd-160 | 9116afc75b2fe434c0e59311ad5de3cc95c222b7 |
21031824 as geometric shapes
Circle
Radius = nDiameter | 42063648 |
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Circumference | 132146847.53999 |
Area | 1.3896446198079E+15 |
Sphere
Radius = nVolume | 3.8969014755129E+22 |
---|---|
Surface area | 5.5585784792317E+15 |
Circumference | 132146847.53999 |
Square
Length = nPerimeter | 84127296 |
---|---|
Area | 442337620766976 |
Diagonal | 29743490.742244 |
Cube
Length = nSurface area | 2654025724601856 |
---|---|
Volume | 9.3031669885498E+21 |
Space diagonal | 36428187.743846 |
Equilateral Triangle
Length = nPerimeter | 63095472 |
---|---|
Area | 1.9153780831688E+14 |
Altitude | 18214093.871923 |
Triangular Pyramid
Length = nSurface area | 1.9153780831688E+14 |
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Volume | 1.0963887440191E+21 |
Height | 9914496.9140813 |