20120646 (number)
20120646 is an even 8-digits composite number following 20120645 and preceding 20120647. In scientific notation, it is written as 2.0120646 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 64 positive divisors. There are 5177088 positive integers (up to 20120646) that are relatively prime to 20120646.
Interesting facts
- 20120646 has 64 divisors, whose sum is 50738688
- The reverse of 20120646 is 64602102
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
Name | twenty million one hundred twenty thousand six hundred forty-six |
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Notation
Scientific notation | 2.0120646 × 10^7 |
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Engineering notation | 2.0120646 × 10^6 |
Prime Factorization of 20120646
Prime Factorization 2 × 3 × 43 × 13 × 7 × 857
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 20120646 | Product of the distinct prime numbers |
The prime factorization of 20120646 is 2 × 3 × 43 × 13 × 7 × 857. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20120646)
Multiplication
n×yn×2 | 40241292 |
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n×3 | 60361938 |
n×4 | 80482584 |
n×5 | 100603230 |
Division
n÷yn÷2 | 10060323 |
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n÷3 | 6706882 |
n÷3 | 5030161.5 |
n÷5 | 4024129.2 |
Exponentiation
nyn2 | 404840395457316 |
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n3 | 8.1456502834967E+21 |
n4 | 1.6389574579404E+29 |
n5 | 3.2976882820278E+36 |
Nth Root
y√n2√n | 4485.604307114 |
---|---|
3√n | 271.98647388044 |
4√n | 66.974654214218 |
5√n | 28.888725618824 |
Divisors of 20120646
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20120645 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20120646 can be divided by 64 positive divisors. The sum of these divisors (counting 20120646) is 1, the average is 0.015625.
Base conversion 20120646
Base | System | Value |
---|---|---|
2 | Binary | 1001100110000010001000110 |
3 | Ternary | 1101212020100010 |
4 | Quaternary | 1030300101012 |
5 | Quinary | 20122330041 |
6 | Senary | 1555131050 |
8 | Octal | 114602106 |
10 | Decimal | 20120646 |
12 | Duodecimal | 68a3a86 |
16 | Hexadecimal | 1330446 |
20 | Vigesimal | 65f1c6 |
36 | Base36 | bz96u |
Cryptographic Hash Functions
md5 | 44d0f3b4cb7a091bcd5b5dfdfa5e6e83 |
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sha1 | 25286415e72bdc2f7c61a07cfdf230fba59f1a47 |
sha256 | 6856cf22b8b0b6f661e3c3dc34cd25ab86c72d0943173b09cc0e7cba136cde79 |
sha512 | f62c19ac2a0a9a33abfa367a7af46d7485db666b7e5c3b66c1f2a477828078622add212ba958751baa1935f21e6813f440ecaee1dc8a03c64546fd1a8472d170 |
ripemd-160 | 1ba0d7ff7d80cd917b854a4f7c688e37a63eb982 |
20120646 as geometric shapes
Circle
Radius = nDiameter | 40241292 |
---|---|
Circumference | 126421747.31816 |
Area | 1.2718436122451E+15 |
Sphere
Radius = nVolume | 3.4120420119126E+22 |
---|---|
Surface area | 5.0873744489804E+15 |
Circumference | 126421747.31816 |
Square
Length = nPerimeter | 80482584 |
---|---|
Area | 404840395457316 |
Diagonal | 28454890.456908 |
Cube
Length = nSurface area | 2429042372743896 |
---|---|
Volume | 8.1456502834967E+21 |
Space diagonal | 34849981.153108 |
Equilateral Triangle
Length = nPerimeter | 60361938 |
---|---|
Area | 1.7530103347209E+14 |
Altitude | 17424990.576554 |
Triangular Pyramid
Length = nSurface area | 1.7530103347209E+14 |
---|---|
Volume | 9.5997409210577E+20 |
Height | 9484963.485636 |