21909736 (number)
21909736 is an even 8-digits composite number following 21909735 and preceding 21909737. In scientific notation, it is written as 2.1909736 × 10^7. The sum of its digits is 37. It has a total of 7 prime factors and 64 positive divisors. There are 9538560 positive integers (up to 21909736) that are relatively prime to 21909736.
Interesting facts
- 21909736 has 64 divisors, whose sum is 46872000
- The reverse of 21909736 is 63790912
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 37
- Digital Root 1
Name
Name | twenty-one million nine hundred nine thousand seven hundred thirty-six |
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Notation
Scientific notation | 2.1909736 × 10^7 |
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Engineering notation | 2.1909736 × 10^6 |
Prime Factorization of 21909736
Prime Factorization 2 × 2 × 2 × 19 × 61 × 17 × 139
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5477434 | Product of the distinct prime numbers |
The prime factorization of 21909736 is 2 × 2 × 2 × 19 × 61 × 17 × 139. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21909736)
Multiplication
n×yn×2 | 43819472 |
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n×3 | 65729208 |
n×4 | 87638944 |
n×5 | 109548680 |
Division
n÷yn÷2 | 10954868 |
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n÷3 | 7303245.3333333 |
n÷3 | 5477434 |
n÷5 | 4381947.2 |
Exponentiation
nyn2 | 480036531589696 |
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n3 | 1.0517473677486E+22 |
n4 | 2.3043507166067E+29 |
n5 | 5.0487715852263E+36 |
Nth Root
y√n2√n | 4680.7836950665 |
---|---|
3√n | 279.82019067791 |
4√n | 68.416253149865 |
5√n | 29.385117316223 |
Divisors of 21909736
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21909735 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21909736 can be divided by 64 positive divisors. The sum of these divisors (counting 21909736) is 1, the average is 0.015625.
Base conversion 21909736
Base | System | Value |
---|---|---|
2 | Binary | 1010011100101000011101000 |
3 | Ternary | 1112020010111201 |
4 | Quaternary | 1103211003220 |
5 | Quinary | 21102102421 |
6 | Senary | 2101333544 |
8 | Octal | 123450350 |
10 | Decimal | 21909736 |
12 | Duodecimal | 74072b4 |
16 | Hexadecimal | 14e50e8 |
20 | Vigesimal | 6gie6g |
36 | Base36 | d1lns |
Cryptographic Hash Functions
md5 | 0780215979a9a8e05b4ae5649f30f8c6 |
---|---|
sha1 | 789765dcaa45f5d224158d2c0ff3cb535008571f |
sha256 | a070e195219249cd3a9a5015c0fac08f73f393efb847cf7f672b2c8445103491 |
sha512 | d19ee4d59faaa3ac5c054b81267c21af8c9e4b42bfa700ae57690299134e2e0cebf57112cd33606b5bc032584ba62106eee3fdb1483e881a59ad4e95f23752eb |
ripemd-160 | 497e65abfab48b6a6d3d2ff298c576affcdbc9d8 |
21909736 as geometric shapes
Circle
Radius = nDiameter | 43819472 |
---|---|
Circumference | 137662931.31938 |
Area | 1.5080792410969E+15 |
Sphere
Radius = nVolume | 4.4055490719352E+22 |
---|---|
Surface area | 6.0323169643877E+15 |
Circumference | 137662931.31938 |
Square
Length = nPerimeter | 87638944 |
---|---|
Area | 480036531589696 |
Diagonal | 30985045.799214 |
Cube
Length = nSurface area | 2880219189538176 |
---|---|
Volume | 1.0517473677486E+22 |
Space diagonal | 37948775.932421 |
Equilateral Triangle
Length = nPerimeter | 65729208 |
---|---|
Area | 2.0786191555062E+14 |
Altitude | 18974387.96621 |
Triangular Pyramid
Length = nSurface area | 2.0786191555062E+14 |
---|---|
Volume | 1.2394961597169E+21 |
Height | 10328348.599738 |