20121836 (number)
20121836 is an even 8-digits composite number following 20121835 and preceding 20121837. In scientific notation, it is written as 2.0121836 × 10^7. The sum of its digits is 23. It has a total of 6 prime factors and 48 positive divisors. There are 8071488 positive integers (up to 20121836) that are relatively prime to 20121836.
Interesting facts
- 20121836 has 48 divisors, whose sum is 42873600
- The reverse of 20121836 is 63812102
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 23
- Digital Root 5
Name
Name | twenty million one hundred twenty-one thousand eight hundred thirty-six |
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Notation
Scientific notation | 2.0121836 × 10^7 |
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Engineering notation | 2.0121836 × 10^6 |
Prime Factorization of 20121836
Prime Factorization 2 × 2 × 7 × 109 × 19 × 347
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10060918 | Product of the distinct prime numbers |
The prime factorization of 20121836 is 2 × 2 × 7 × 109 × 19 × 347. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20121836)
Multiplication
n×yn×2 | 40243672 |
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n×3 | 60365508 |
n×4 | 80487344 |
n×5 | 100609180 |
Division
n÷yn÷2 | 10060918 |
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n÷3 | 6707278.6666667 |
n÷3 | 5030459 |
n÷5 | 4024367.2 |
Exponentiation
nyn2 | 404888284010896 |
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n3 | 8.1470956491887E+21 |
n4 | 1.6393452252929E+29 |
n5 | 3.2986635770726E+36 |
Nth Root
y√n2√n | 4485.7369517171 |
---|---|
3√n | 271.99183582762 |
4√n | 66.975644466605 |
5√n | 28.889067325251 |
Divisors of 20121836
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 | -20121835 | 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 20121836 can be divided by 48 positive divisors. The sum of these divisors (counting 20121836) is 1, the average is 0.020833333333333.
Base conversion 20121836
Base | System | Value |
---|---|---|
2 | Binary | 1001100110000100011101100 |
3 | Ternary | 1101212021222012 |
4 | Quaternary | 1030300203230 |
5 | Quinary | 20122344321 |
6 | Senary | 1555140352 |
8 | Octal | 114604354 |
10 | Decimal | 20121836 |
12 | Duodecimal | 68a46b8 |
16 | Hexadecimal | 13308ec |
20 | Vigesimal | 65f4bg |
36 | Base36 | bza3w |
Cryptographic Hash Functions
md5 | a9e2ed5e941c84c0df562cadd5d37ce7 |
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sha1 | 75c6f0580eef82ddf868c2de667ac5352687b975 |
sha256 | af27df8056f8249929994d923dba08c5f8fb304b0b3f79d06449687a44693edd |
sha512 | 294b91747c2e993dba6ba4cb127cc920f1d07a85397a9107b4f4f380f4c697d5778ed8fc2d43e9c2474220c304edb685d7d0638ae72074da7ec95b61415a3c00 |
ripemd-160 | 9ef8ce4b15a9c1e3364ae66565c281aeb2617f99 |
20121836 as geometric shapes
Circle
Radius = nDiameter | 40243672 |
---|---|
Circumference | 126429224.30868 |
Area | 1.2719940585732E+15 |
Sphere
Radius = nVolume | 3.4126474452779E+22 |
---|---|
Surface area | 5.0879762342928E+15 |
Circumference | 126429224.30868 |
Square
Length = nPerimeter | 80487344 |
---|---|
Area | 404888284010896 |
Diagonal | 28456573.371047 |
Cube
Length = nSurface area | 2429329704065376 |
---|---|
Volume | 8.1470956491887E+21 |
Space diagonal | 34852042.293569 |
Equilateral Triangle
Length = nPerimeter | 60365508 |
---|---|
Area | 1.7532176982406E+14 |
Altitude | 17426021.146784 |
Triangular Pyramid
Length = nSurface area | 1.7532176982406E+14 |
---|---|
Volume | 9.6014443008612E+20 |
Height | 9485524.4570157 |