21091328 (number)
21091328 is an even 8-digits composite number following 21091327 and preceding 21091329. In scientific notation, it is written as 2.1091328 × 10^7. The sum of its digits is 26. It has a total of 12 prime factors and 44 positive divisors. There are 10278912 positive integers (up to 21091328) that are relatively prime to 21091328.
Interesting facts
- 21091328 has 44 divisors, whose sum is 43232640
- The reverse of 21091328 is 82319012
- Previous prime number is 43
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 26
- Digital Root 8
Name
Name | twenty-one million ninety-one thousand three hundred twenty-eight |
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Notation
Scientific notation | 2.1091328 × 10^7 |
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Engineering notation | 2.1091328 × 10^6 |
Prime Factorization of 21091328
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 43 × 479
Composite numberω | Distinct Factors | 3 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 12 | Total number of prime factors |
rad | Radical | 41194 | Product of the distinct prime numbers |
The prime factorization of 21091328 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 43 × 479. Since it has a total of 12 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21091328)
Multiplication
n×yn×2 | 42182656 |
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n×3 | 63273984 |
n×4 | 84365312 |
n×5 | 105456640 |
Division
n÷yn÷2 | 10545664 |
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n÷3 | 7030442.6666667 |
n÷3 | 5272832 |
n÷5 | 4218265.6 |
Exponentiation
nyn2 | 444844116803584 |
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n3 | 9.3823531763747E+21 |
n4 | 1.9788628825476E+29 |
n5 | 4.1736846122837E+36 |
Nth Root
y√n2√n | 4592.5295861867 |
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3√n | 276.29178691262 |
4√n | 67.768204832257 |
5√n | 29.162233642409 |
Divisors of 21091328
44 divisors
τ | Total Divisors | 44 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21091327 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.022727272727273 | 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 | 44 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21091328 can be divided by 44 positive divisors. The sum of these divisors (counting 21091328) is 1, the average is 0.022727272727273.
Base conversion 21091328
Base | System | Value |
---|---|---|
2 | Binary | 1010000011101010000000000 |
3 | Ternary | 1110200112212022 |
4 | Quaternary | 1100131100000 |
5 | Quinary | 20344410303 |
6 | Senary | 2032021012 |
8 | Octal | 120352000 |
10 | Decimal | 21091328 |
12 | Duodecimal | 7091768 |
16 | Hexadecimal | 141d400 |
20 | Vigesimal | 6bg868 |
36 | Base36 | ck268 |
Cryptographic Hash Functions
md5 | b7892bbefa71bc86f1a74681138d3be5 |
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sha1 | 57b9493be9215f7ddb11808cd52a383b9d38a3a5 |
sha256 | 8d8c417eef2362eafaf3c814081d0805bb4da8aba33d0a90d084a3dad13661d4 |
sha512 | 751611cecce112b4d716c195d7305c2bcce74ada25a6355b0d2d933bb746056ea3dda205add5c7d9f44334234897b567f618440a0d34cbe3412148f7f229d909 |
ripemd-160 | 27d7ba48e41cb6a0f9bcbf709865a8082c43a438 |
21091328 as geometric shapes
Circle
Radius = nDiameter | 42182656 |
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Circumference | 132520722.19851 |
Area | 1.3975190093428E+15 |
Sphere
Radius = nVolume | 3.9300709083045E+22 |
---|---|
Surface area | 5.5900760373711E+15 |
Circumference | 132520722.19851 |
Square
Length = nPerimeter | 84365312 |
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Area | 444844116803584 |
Diagonal | 29827642.106059 |
Cube
Length = nSurface area | 2669064700821504 |
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Volume | 9.3823531763747E+21 |
Space diagonal | 36531251.6951 |
Equilateral Triangle
Length = nPerimeter | 63273984 |
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Area | 1.9262315293798E+14 |
Altitude | 18265625.84755 |
Triangular Pyramid
Length = nSurface area | 1.9262315293798E+14 |
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Volume | 1.1057209257503E+21 |
Height | 9942547.3686865 |