21086442 (number)
21086442 is an even 8-digits composite number following 21086441 and preceding 21086443. In scientific notation, it is written as 2.1086442 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 6414336 positive integers (up to 21086442) that are relatively prime to 21086442.
Interesting facts
- 21086442 has 48 divisors, whose sum is 49762440
- The reverse of 21086442 is 24468012
- Previous prime number is 97
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million eighty-six thousand four hundred forty-two |
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Notation
Scientific notation | 2.1086442 × 10^7 |
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Engineering notation | 2.1086442 × 10^6 |
Prime Factorization of 21086442
Prime Factorization 2 × 3 × 3 × 13 × 97 × 929
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 7028814 | Product of the distinct prime numbers |
The prime factorization of 21086442 is 2 × 3 × 3 × 13 × 97 × 929. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21086442)
Multiplication
n×yn×2 | 42172884 |
---|---|
n×3 | 63259326 |
n×4 | 84345768 |
n×5 | 105432210 |
Division
n÷yn÷2 | 10543221 |
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n÷3 | 7028814 |
n÷3 | 5271610.5 |
n÷5 | 4217288.4 |
Exponentiation
nyn2 | 444638036219364 |
---|---|
n3 | 9.3758341617335E+21 |
n4 | 1.9770298325301E+29 |
n5 | 4.1688524895916E+36 |
Nth Root
y√n2√n | 4591.997604529 |
---|---|
3√n | 276.27045008755 |
4√n | 67.764279709365 |
5√n | 29.160882377294 |
Divisors of 21086442
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21086441 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21086442 can be divided by 48 positive divisors. The sum of these divisors (counting 21086442) is 1, the average is 0.020833333333333.
Base conversion 21086442
Base | System | Value |
---|---|---|
2 | Binary | 1010000011100000011101010 |
3 | Ternary | 1110200022011100 |
4 | Quaternary | 1100130003222 |
5 | Quinary | 20344231232 |
6 | Senary | 2031542230 |
8 | Octal | 120340352 |
10 | Decimal | 21086442 |
12 | Duodecimal | 708a976 |
16 | Hexadecimal | 141c0ea |
20 | Vigesimal | 6bfg22 |
36 | Base36 | cjyei |
Cryptographic Hash Functions
md5 | 3da1e0a065a8f9d45581f5dd13ccac66 |
---|---|
sha1 | 3558772464f53e46a4b554eb9d4947c57d7d6a2e |
sha256 | 808ff7cd2650bb46c03ffbf7e631031f48af6f867a5dd52058250544d62ff945 |
sha512 | 5aa1c262e11e8db1d046236c0a10431a34dd1e10e1e85f390addf1746b14a453ab52996ae757300636be18612dd262ff15a0bade5b1186a68682773cb4c3a3be |
ripemd-160 | 6e5fd0132da6b620c3709f59430918d7fabe9811 |
21086442 as geometric shapes
Circle
Radius = nDiameter | 42172884 |
---|---|
Circumference | 132490022.55509 |
Area | 1.3968715880933E+15 |
Sphere
Radius = nVolume | 3.9273402298371E+22 |
---|---|
Surface area | 5.5874863523734E+15 |
Circumference | 132490022.55509 |
Square
Length = nPerimeter | 84345768 |
---|---|
Area | 444638036219364 |
Diagonal | 29820732.258594 |
Cube
Length = nSurface area | 2667828217316184 |
---|---|
Volume | 9.3758341617335E+21 |
Space diagonal | 36522788.894854 |
Equilateral Triangle
Length = nPerimeter | 63259326 |
---|---|
Area | 1.925339174274E+14 |
Altitude | 18261394.447427 |
Triangular Pyramid
Length = nSurface area | 1.925339174274E+14 |
---|---|
Volume | 1.104952652507E+21 |
Height | 9940244.0861979 |