20121608 (number)
20121608 is an even 8-digits composite number following 20121607 and preceding 20121609. In scientific notation, it is written as 2.0121608 × 10^7. The sum of its digits is 20. It has a total of 7 prime factors and 64 positive divisors. There are 8266752 positive integers (up to 20121608) that are relatively prime to 20121608.
Interesting facts
- 20121608 has 64 divisors, whose sum is 45360000
- The reverse of 20121608 is 80612102
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 20
- Digital Root 2
Name
Name | twenty million one hundred twenty-one thousand six hundred eight |
---|
Notation
Scientific notation | 2.0121608 × 10^7 |
---|---|
Engineering notation | 2.0121608 × 10^6 |
Prime Factorization of 20121608
Prime Factorization 2 × 2 × 2 × 13 × 19 × 17 × 599
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5030402 | Product of the distinct prime numbers |
The prime factorization of 20121608 is 2 × 2 × 2 × 13 × 19 × 17 × 599. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20121608)
Multiplication
n×yn×2 | 40243216 |
---|---|
n×3 | 60364824 |
n×4 | 80486432 |
n×5 | 100608040 |
Division
n÷yn÷2 | 10060804 |
---|---|
n÷3 | 6707202.6666667 |
n÷3 | 5030402 |
n÷5 | 4024321.6 |
Exponentiation
nyn2 | 404879108505664 |
---|---|
n3 | 8.1468187087404E+21 |
n4 | 1.6392709250434E+29 |
n5 | 3.2984766959521E+36 |
Nth Root
y√n2√n | 4485.7115377608 |
---|---|
3√n | 271.99080851293 |
4√n | 66.975454740978 |
5√n | 28.8890018567 |
Divisors of 20121608
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 | -20121607 | 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 20121608 can be divided by 64 positive divisors. The sum of these divisors (counting 20121608) is 1, the average is 0.015625.
Base conversion 20121608
Base | System | Value |
---|---|---|
2 | Binary | 1001100110000100000001000 |
3 | Ternary | 1101212021122202 |
4 | Quaternary | 1030300200020 |
5 | Quinary | 20122342413 |
6 | Senary | 1555135332 |
8 | Octal | 114604010 |
10 | Decimal | 20121608 |
12 | Duodecimal | 68a4548 |
16 | Hexadecimal | 1330808 |
20 | Vigesimal | 65f408 |
36 | Base36 | bz9xk |
Cryptographic Hash Functions
md5 | 2b089fe08b300673899f0ac78c1802d1 |
---|---|
sha1 | 26c4a571d190677b7013de62e8a744625f9ece88 |
sha256 | 2279603359d6e80fa3be8aca08275c328925453fc44f5920fa540646f36453a6 |
sha512 | 289e6c98505b2576b91cb4c11685d9d2f070e2aebb36ed254c952549384ef96da5581ff5473e7ce0a0e87f4cb5345431931528ba3736c8817a8d10c9c1f2fed0 |
ripemd-160 | 7d7c0af5332e04a9c73f65c8b41679c0e49ee627 |
20121608 as geometric shapes
Circle
Radius = nDiameter | 40243216 |
---|---|
Circumference | 126427791.74243 |
Area | 1.2719652328734E+15 |
Sphere
Radius = nVolume | 3.4125314407342E+22 |
---|---|
Surface area | 5.0878609314935E+15 |
Circumference | 126427791.74243 |
Square
Length = nPerimeter | 80486432 |
---|---|
Area | 404879108505664 |
Diagonal | 28456250.930355 |
Cube
Length = nSurface area | 2429274651033984 |
---|---|
Volume | 8.1468187087404E+21 |
Space diagonal | 34851647.385984 |
Equilateral Triangle
Length = nPerimeter | 60364824 |
---|---|
Area | 1.7531779671375E+14 |
Altitude | 17425823.692992 |
Triangular Pyramid
Length = nSurface area | 1.7531779671375E+14 |
---|---|
Volume | 9.601117923413E+20 |
Height | 9485416.976785 |