21105468 (number)
21105468 is an even 8-digits composite number following 21105467 and preceding 21105469. In scientific notation, it is written as 2.1105468 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 6936192 positive integers (up to 21105468) that are relatively prime to 21105468.
Interesting facts
- 21105468 has 48 divisors, whose sum is 55488160
- The reverse of 21105468 is 86450112
- Previous prime number is 73
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | twenty-one million one hundred five thousand four hundred sixty-eight |
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Notation
Scientific notation | 2.1105468 × 10^7 |
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Engineering notation | 2.1105468 × 10^6 |
Prime Factorization of 21105468
Prime Factorization 2 × 2 × 3 × 9 × 73 × 2677
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10552734 | Product of the distinct prime numbers |
The prime factorization of 21105468 is 2 × 2 × 3 × 9 × 73 × 2677. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21105468)
Multiplication
n×yn×2 | 42210936 |
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n×3 | 63316404 |
n×4 | 84421872 |
n×5 | 105527340 |
Division
n÷yn÷2 | 10552734 |
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n÷3 | 7035156 |
n÷3 | 5276367 |
n÷5 | 4221093.6 |
Exponentiation
nyn2 | 445440779499024 |
---|---|
n3 | 9.4012361176117E+21 |
n4 | 1.984174880407E+29 |
n5 | 4.1876939444833E+36 |
Nth Root
y√n2√n | 4594.0687848573 |
---|---|
3√n | 276.35351675623 |
4√n | 67.779560229152 |
5√n | 29.16614276988 |
Divisors of 21105468
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 | -21105467 | 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 21105468 can be divided by 48 positive divisors. The sum of these divisors (counting 21105468) is 1, the average is 0.020833333333333.
Base conversion 21105468
Base | System | Value |
---|---|---|
2 | Binary | 1010000100000101100111100 |
3 | Ternary | 1110201021021000 |
4 | Quaternary | 1100200230330 |
5 | Quinary | 20400333333 |
6 | Senary | 2032210300 |
8 | Octal | 120405474 |
10 | Decimal | 21105468 |
12 | Duodecimal | 7099990 |
16 | Hexadecimal | 1420b3c |
20 | Vigesimal | 6bi3d8 |
36 | Base36 | ckd30 |
Cryptographic Hash Functions
md5 | fa7319879f03f4076293773aa4231e27 |
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sha1 | a645e103a7451b3f6d669232beec6cb94722bfcd |
sha256 | b7db22d5e349ce43450ed2b4dec43e96c58b24af2ff9fb484cbbbe16955e166e |
sha512 | 22f8306b589e9cdf81ee643acf98cca5df755291f92b70a3581f3af0516e855615d2414c3b2d24b6d9e5cd2827413a77617cbefc258a8f5ecac28b129cf4b144 |
ripemd-160 | 54fd1aae97cc4089b944a3f01a13f854c656de66 |
21105468 as geometric shapes
Circle
Radius = nDiameter | 42210936 |
---|---|
Circumference | 132609566.43875 |
Area | 1.3993934804834E+15 |
Sphere
Radius = nVolume | 3.9379805762336E+22 |
---|---|
Surface area | 5.5975739219338E+15 |
Circumference | 132609566.43875 |
Square
Length = nPerimeter | 84421872 |
---|---|
Area | 445440779499024 |
Diagonal | 29847639.085831 |
Cube
Length = nSurface area | 2672644676994144 |
---|---|
Volume | 9.4012361176117E+21 |
Space diagonal | 36555742.893519 |
Equilateral Triangle
Length = nPerimeter | 63316404 |
---|---|
Area | 1.9288151546385E+14 |
Altitude | 18277871.44676 |
Triangular Pyramid
Length = nSurface area | 1.9288151546385E+14 |
---|---|
Volume | 1.1079463017165E+21 |
Height | 9949213.0286105 |