21082842 (number)
21082842 is an even 8-digits composite number following 21082841 and preceding 21082843. In scientific notation, it is written as 2.1082842 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 40 positive divisors. There are 6388200 positive integers (up to 21082842) that are relatively prime to 21082842.
Interesting facts
- 21082842 has 40 divisors, whose sum is 51540192
- The reverse of 21082842 is 24828012
- Previous prime number is 9
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million eighty-two thousand eight hundred forty-two |
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Notation
Scientific notation | 2.1082842 × 10^7 |
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Engineering notation | 2.1082842 × 10^6 |
Prime Factorization of 21082842
Prime Factorization 2 × 3 × 3 × 11 × 9 × 11831
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 7027614 | Product of the distinct prime numbers |
The prime factorization of 21082842 is 2 × 3 × 3 × 11 × 9 × 11831. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21082842)
Multiplication
n×yn×2 | 42165684 |
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n×3 | 63248526 |
n×4 | 84331368 |
n×5 | 105414210 |
Division
n÷yn÷2 | 10541421 |
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n÷3 | 7027614 |
n÷3 | 5270710.5 |
n÷5 | 4216568.4 |
Exponentiation
nyn2 | 444486226796964 |
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n3 | 9.3710328907366E+21 |
n4 | 1.975680058122E+29 |
n5 | 4.1652950507937E+36 |
Nth Root
y√n2√n | 4591.6056015298 |
---|---|
3√n | 276.2547270268 |
4√n | 67.761387246203 |
5√n | 29.159886606207 |
Divisors of 21082842
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21082841 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21082842 can be divided by 40 positive divisors. The sum of these divisors (counting 21082842) is 1, the average is 0.025.
Base conversion 21082842
Base | System | Value |
---|---|---|
2 | Binary | 1010000011011001011011010 |
3 | Ternary | 1110200010020000 |
4 | Quaternary | 1100123023122 |
5 | Quinary | 20344122332 |
6 | Senary | 2031513430 |
8 | Octal | 120331332 |
10 | Decimal | 21082842 |
12 | Duodecimal | 7088876 |
16 | Hexadecimal | 141b2da |
20 | Vigesimal | 6bf722 |
36 | Base36 | cjvmi |
Cryptographic Hash Functions
md5 | 659c3930d181a68e4b8a8f26958efe5a |
---|---|
sha1 | c8b815d6c4bca2922de1c7d3e0046f53de5b9f7a |
sha256 | b347e8d47688a458cbe89b1d1cc9204824b45d55ef56e866ef1a4cf1a1649aed |
sha512 | ab2b72ee21e0ca2768994b584ddcf2e9e8f1181956aaae4d58a4957d56ee5f01e3a9d93afbbaeacf88857b82f5ffa683616b03f9d834541c3c2cb5fa27c6a9f6 |
ripemd-160 | c470d32a1944934c8840ab1d7ba545f57ec658f1 |
21082842 as geometric shapes
Circle
Radius = nDiameter | 42165684 |
---|---|
Circumference | 132467403.08799 |
Area | 1.3963946647272E+15 |
Sphere
Radius = nVolume | 3.9253290781448E+22 |
---|---|
Surface area | 5.5855786589088E+15 |
Circumference | 132467403.08799 |
Square
Length = nPerimeter | 84331368 |
---|---|
Area | 444486226796964 |
Diagonal | 29815641.089769 |
Cube
Length = nSurface area | 2666917360781784 |
---|---|
Volume | 9.3710328907366E+21 |
Space diagonal | 36516553.511947 |
Equilateral Triangle
Length = nPerimeter | 63248526 |
---|---|
Area | 1.9246818201923E+14 |
Altitude | 18258276.755974 |
Triangular Pyramid
Length = nSurface area | 1.9246818201923E+14 |
---|---|
Volume | 1.1043868172937E+21 |
Height | 9938547.029923 |