21055392 (number)
21055392 is an even 8-digits composite number following 21055391 and preceding 21055393. In scientific notation, it is written as 2.1055392 × 10^7. The sum of its digits is 27. It has a total of 9 prime factors and 72 positive divisors. There are 6773760 positive integers (up to 21055392) that are relatively prime to 21055392.
Interesting facts
- 21055392 has 72 divisors, whose sum is 61965540
- The reverse of 21055392 is 29355012
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million fifty-five thousand three hundred ninety-two |
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Notation
Scientific notation | 2.1055392 × 10^7 |
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Engineering notation | 2.1055392 × 10^6 |
Prime Factorization of 21055392
Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 3 × 29 × 2521
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 438654 | Product of the distinct prime numbers |
The prime factorization of 21055392 is 2 × 2 × 2 × 2 × 2 × 3 × 3 × 29 × 2521. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21055392)
Multiplication
n×yn×2 | 42110784 |
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n×3 | 63166176 |
n×4 | 84221568 |
n×5 | 105276960 |
Division
n÷yn÷2 | 10527696 |
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n÷3 | 7018464 |
n÷3 | 5263848 |
n÷5 | 4211078.4 |
Exponentiation
nyn2 | 443329532273664 |
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n3 | 9.3344770871986E+21 |
n4 | 1.9654107418599E+29 |
n5 | 4.138249361087E+36 |
Nth Root
y√n2√n | 4588.6154774616 |
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3√n | 276.13477979259 |
4√n | 67.73932002509 |
5√n | 29.152289375398 |
Divisors of 21055392
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21055391 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21055392 can be divided by 72 positive divisors. The sum of these divisors (counting 21055392) is 1, the average is 0.013888888888889.
Base conversion 21055392
Base | System | Value |
---|---|---|
2 | Binary | 1010000010100011110100000 |
3 | Ternary | 1110121201120100 |
4 | Quaternary | 1100110132200 |
5 | Quinary | 20342233032 |
6 | Senary | 2031142400 |
8 | Octal | 120243640 |
10 | Decimal | 21055392 |
12 | Duodecimal | 7074a00 |
16 | Hexadecimal | 14147a0 |
20 | Vigesimal | 6bbi9c |
36 | Base36 | cjag0 |
Cryptographic Hash Functions
md5 | c5e4f16aa8ef1f3db12143184fec1261 |
---|---|
sha1 | 0575619ece2fc10a2d17ab0c1abcd8a1e5ab28d0 |
sha256 | 73d20f3d10e2df4d7cc7457d876acbe1953aa524bbf45e860286e67a4ff244b0 |
sha512 | 4f1ddd9a4b463781a9c952c508ef4d68af8e9b2bdebfc419d103bcb8de77692064a2f4e83c748aa30676a0ba5fe368d5e2d6c046804c1d4d9573c5c3f9434093 |
ripemd-160 | 81c62e24aa3125e53c9f5c8085a3c9ab972c020a |
21055392 as geometric shapes
Circle
Radius = nDiameter | 42110784 |
---|---|
Circumference | 132294929.65131 |
Area | 1.3927608017103E+15 |
Sphere
Radius = nVolume | 3.9100166189661E+22 |
---|---|
Surface area | 5.5710432068414E+15 |
Circumference | 132294929.65131 |
Square
Length = nPerimeter | 84221568 |
---|---|
Area | 443329532273664 |
Diagonal | 29776820.927482 |
Cube
Length = nSurface area | 2659977193641984 |
---|---|
Volume | 9.3344770871986E+21 |
Space diagonal | 36469008.717279 |
Equilateral Triangle
Length = nPerimeter | 63166176 |
---|---|
Area | 1.9196731859843E+14 |
Altitude | 18234504.35864 |
Triangular Pyramid
Length = nSurface area | 1.9196731859843E+14 |
---|---|
Volume | 1.1000786745314E+21 |
Height | 9925606.9758273 |