21356412 (number)
21356412 is an even 8-digits composite number following 21356411 and preceding 21356413. In scientific notation, it is written as 2.1356412 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 5349120 positive integers (up to 21356412) that are relatively prime to 21356412.
Interesting facts
- 21356412 has 48 divisors, whose sum is 52284960
- The reverse of 21356412 is 21465312
- Previous prime number is 77
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty-one million three hundred fifty-six thousand four hundred twelve |
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Notation
Scientific notation | 2.1356412 × 10^7 |
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Engineering notation | 2.1356412 × 10^6 |
Prime Factorization of 21356412
Prime Factorization 2 × 2 × 3 × 29 × 77 × 797
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10678206 | Product of the distinct prime numbers |
The prime factorization of 21356412 is 2 × 2 × 3 × 29 × 77 × 797. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21356412)
Multiplication
n×yn×2 | 42712824 |
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n×3 | 64069236 |
n×4 | 85425648 |
n×5 | 106782060 |
Division
n÷yn÷2 | 10678206 |
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n÷3 | 7118804 |
n÷3 | 5339103 |
n÷5 | 4271282.4 |
Exponentiation
nyn2 | 456096333513744 |
---|---|
n3 | 9.7405812102089E+21 |
n4 | 2.0802386544468E+29 |
n5 | 4.4426433762692E+36 |
Nth Root
y√n2√n | 4621.299817151 |
---|---|
3√n | 277.44448528313 |
4√n | 67.980142815024 |
5√n | 29.23517232493 |
Divisors of 21356412
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 | -21356411 | 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 21356412 can be divided by 48 positive divisors. The sum of these divisors (counting 21356412) is 1, the average is 0.020833333333333.
Base conversion 21356412
Base | System | Value |
---|---|---|
2 | Binary | 1010001011101111101111100 |
3 | Ternary | 1111012000111020 |
4 | Quaternary | 1101131331330 |
5 | Quinary | 20431401122 |
6 | Senary | 2041424140 |
8 | Octal | 121357574 |
10 | Decimal | 21356412 |
12 | Duodecimal | 719b050 |
16 | Hexadecimal | 145df7c |
20 | Vigesimal | 6d9b0c |
36 | Base36 | cpqpo |
Cryptographic Hash Functions
md5 | 6d56b71db5eec9988b6f7f19cf7452eb |
---|---|
sha1 | 8a4570efe21c26ade8f083b28cb27d95cf242486 |
sha256 | 9806b4ecb0e8ba430417107637927365e06f65ba74d09cee3d420a4170a5c37f |
sha512 | 026349712b1a0dad4ba2613227327c99e73c35e98d8a65150a277c85808cd809e291143fdaf30913ad8455869377c7a73be772a30a8647e9af64aae031e734cc |
ripemd-160 | 7a1224479d42a11642c6c6a6326663f04b9f64f7 |
21356412 as geometric shapes
Circle
Radius = nDiameter | 42712824 |
---|---|
Circumference | 134186294.09247 |
Area | 1.432868890696E+15 |
Sphere
Radius = nVolume | 4.080125116225E+22 |
---|---|
Surface area | 5.7314755627841E+15 |
Circumference | 134186294.09247 |
Square
Length = nPerimeter | 85425648 |
---|---|
Area | 456096333513744 |
Diagonal | 30202527.494028 |
Cube
Length = nSurface area | 2736578001082464 |
---|---|
Volume | 9.7405812102089E+21 |
Space diagonal | 36990390.651374 |
Equilateral Triangle
Length = nPerimeter | 64069236 |
---|---|
Area | 1.9749550569792E+14 |
Altitude | 18495195.325687 |
Triangular Pyramid
Length = nSurface area | 1.9749550569792E+14 |
---|---|
Volume | 1.1479385044062E+21 |
Height | 10067509.164676 |