21123072 (number)
21123072 is an even 8-digits composite number following 21123071 and preceding 21123073. In scientific notation, it is written as 2.1123072 × 10^7. The sum of its digits is 18. It has a total of 14 prime factors and 52 positive divisors. There are 7004160 positive integers (up to 21123072) that are relatively prime to 21123072.
Interesting facts
- 21123072 has 52 divisors, whose sum is 44034816
- The reverse of 21123072 is 27032112
- Previous prime number is 27
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | twenty-one million one hundred twenty-three thousand seventy-two |
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Notation
Scientific notation | 2.1123072 × 10^7 |
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Engineering notation | 2.1123072 × 10^6 |
Prime Factorization of 21123072
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 27 × 191
Composite numberω | Distinct Factors | 3 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 14 | Total number of prime factors |
rad | Radical | 10314 | Product of the distinct prime numbers |
The prime factorization of 21123072 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 27 × 191. Since it has a total of 14 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21123072)
Multiplication
n×yn×2 | 42246144 |
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n×3 | 63369216 |
n×4 | 84492288 |
n×5 | 105615360 |
Division
n÷yn÷2 | 10561536 |
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n÷3 | 7041024 |
n÷3 | 5280768 |
n÷5 | 4224614.4 |
Exponentiation
nyn2 | 446184170717184 |
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n3 | 9.4247803633194E+21 |
n4 | 1.9908031419858E+29 |
n5 | 4.2051878105993E+36 |
Nth Root
y√n2√n | 4595.984334177 |
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3√n | 276.43033058364 |
4√n | 67.793689486389 |
5√n | 29.171006623733 |
Divisors of 21123072
52 divisors
τ | Total Divisors | 52 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21123071 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.019230769230769 | 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 | 52 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21123072 can be divided by 52 positive divisors. The sum of these divisors (counting 21123072) is 1, the average is 0.019230769230769.
Base conversion 21123072
Base | System | Value |
---|---|---|
2 | Binary | 1010000100101000000000000 |
3 | Ternary | 1110202011102000 |
4 | Quaternary | 1100211000000 |
5 | Quinary | 20401414242 |
6 | Senary | 2032424000 |
8 | Octal | 120450000 |
10 | Decimal | 21123072 |
12 | Duodecimal | 70a8000 |
16 | Hexadecimal | 1425000 |
20 | Vigesimal | 6c07dc |
36 | Base36 | ckqo0 |
Cryptographic Hash Functions
md5 | 10f924e6f23370f20ac9e8d04ac81206 |
---|---|
sha1 | 30cfda5cf72ff377ef90473fa983944ed6359f19 |
sha256 | 29643c59e9d0a317701a0975a28db1842eabf1cbd1b9cd98893e24c77e92192f |
sha512 | 3b9288ba04ca4849078c277df742a3b7cbb662ee69df5d866582e62ff36c91a89dee80811db7ff514f7d1ebe6e805e7059decbb2f485a7c29f98fc35a89e4f48 |
ripemd-160 | d0b6d9f24703e3f61cf43456f038244bf43d6a7d |
21123072 as geometric shapes
Circle
Radius = nDiameter | 42246144 |
---|---|
Circumference | 132720175.6329 |
Area | 1.4017289128732E+15 |
Sphere
Radius = nVolume | 3.9478427668135E+22 |
---|---|
Surface area | 5.6069156514926E+15 |
Circumference | 132720175.6329 |
Square
Length = nPerimeter | 84492288 |
---|---|
Area | 446184170717184 |
Diagonal | 29872534.901383 |
Cube
Length = nSurface area | 2677105024303104 |
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Volume | 9.4247803633194E+21 |
Space diagonal | 36586233.915936 |
Equilateral Triangle
Length = nPerimeter | 63369216 |
---|---|
Area | 1.9320341330379E+14 |
Altitude | 18293116.957968 |
Triangular Pyramid
Length = nSurface area | 1.9320341330379E+14 |
---|---|
Volume | 1.1107210176828E+21 |
Height | 9957511.6337945 |