20121450 (number)
20121450 is an even 8-digits composite number following 20121449 and preceding 20121451. In scientific notation, it is written as 2.0121450 × 10^7. The sum of its digits is 15. It has a total of 6 prime factors and 48 positive divisors. There are 5262400 positive integers (up to 20121450) that are relatively prime to 20121450.
Interesting facts
- 20121450 has 48 divisors, whose sum is 50862816
- The reverse of 20121450 is 05412102
- Previous prime number is 53
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 15
- Digital Root 6
Name
Name | twenty million one hundred twenty-one thousand four hundred fifty |
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Notation
Scientific notation | 2.0121450 × 10^7 |
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Engineering notation | 2.0121450 × 10^6 |
Prime Factorization of 20121450
Prime Factorization 2 × 5 × 3 × 5 × 53 × 2531
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 4024290 | Product of the distinct prime numbers |
The prime factorization of 20121450 is 2 × 5 × 3 × 5 × 53 × 2531. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20121450)
Multiplication
n×yn×2 | 40242900 |
---|---|
n×3 | 60364350 |
n×4 | 80485800 |
n×5 | 100607250 |
Division
n÷yn÷2 | 10060725 |
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n÷3 | 6707150 |
n÷3 | 5030362.5 |
n÷5 | 4024290 |
Exponentiation
nyn2 | 404872750102500 |
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n3 | 8.1466267975499E+21 |
n4 | 1.6392194377556E+29 |
n5 | 3.2983471955828E+36 |
Nth Root
y√n2√n | 4485.6939262504 |
---|---|
3√n | 271.99009659733 |
4√n | 66.975323263501 |
5√n | 28.888956487795 |
Divisors of 20121450
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 | -20121449 | 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 20121450 can be divided by 48 positive divisors. The sum of these divisors (counting 20121450) is 1, the average is 0.020833333333333.
Base conversion 20121450
Base | System | Value |
---|---|---|
2 | Binary | 1001100110000011101101010 |
3 | Ternary | 1101212021102220 |
4 | Quaternary | 1030300131222 |
5 | Quinary | 20122341300 |
6 | Senary | 1555134510 |
8 | Octal | 114603552 |
10 | Decimal | 20121450 |
12 | Duodecimal | 68a4436 |
16 | Hexadecimal | 133076a |
20 | Vigesimal | 65f3ca |
36 | Base36 | bz9t6 |
Cryptographic Hash Functions
md5 | 7086b47103934a35415dd4a5d60b31ef |
---|---|
sha1 | 6d0b22ca8a60e90404e892a167af634f16e9c0da |
sha256 | 734afd6bc1d248945637c8ce777b128c274598b3a2dc5a9288886da8c36ba95e |
sha512 | 40b3400171d6724056faf5a083dd10590ab9a1ae42982c90dec3d6df303d88d04c5790830d37fb9df192b1332095e1db99b13ff00bd52a495013f0235c310ac8 |
ripemd-160 | 553b5c2cd1aeb386bb162cb11e3a2aec20c60190 |
20121450 as geometric shapes
Circle
Radius = nDiameter | 40242900 |
---|---|
Circumference | 126426798.99915 |
Area | 1.2719452573607E+15 |
Sphere
Radius = nVolume | 3.4124510531628E+22 |
---|---|
Surface area | 5.0877810294428E+15 |
Circumference | 126426798.99915 |
Square
Length = nPerimeter | 80485800 |
---|---|
Area | 404872750102500 |
Diagonal | 28456027.484612 |
Cube
Length = nSurface area | 2429236500615000 |
---|---|
Volume | 8.1466267975499E+21 |
Space diagonal | 34851373.721957 |
Equilateral Triangle
Length = nPerimeter | 60364350 |
---|---|
Area | 1.7531504344442E+14 |
Altitude | 17425686.860978 |
Triangular Pyramid
Length = nSurface area | 1.7531504344442E+14 |
---|---|
Volume | 9.600891753906E+20 |
Height | 9485342.4948707 |