12889920 (number)
12889920 is an even 8-digits composite number following 12889919 and preceding 12889921. In scientific notation, it is written as 1.2889920 × 10^7. The sum of its digits is 39. It has a total of 9 prime factors and 56 positive divisors. There are 3311616 positive integers (up to 12889920) that are relatively prime to 12889920.
Interesting facts
- 12889920 has 56 divisors, whose sum is 28285440
- The reverse of 12889920 is 02998821
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
Name | twelve million eight hundred eighty-nine thousand nine hundred twenty |
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Notation
Scientific notation | 1.2889920 × 10^7 |
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Engineering notation | 1.2889920 × 10^6 |
Prime Factorization of 12889920
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 15 × 29 × 463
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 402810 | Product of the distinct prime numbers |
The prime factorization of 12889920 is 2 × 2 × 2 × 2 × 2 × 2 × 15 × 29 × 463. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12889920)
Multiplication
n×yn×2 | 25779840 |
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n×3 | 38669760 |
n×4 | 51559680 |
n×5 | 64449600 |
Division
n÷yn÷2 | 6444960 |
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n÷3 | 4296640 |
n÷3 | 3222480 |
n÷5 | 2577984 |
Exponentiation
nyn2 | 166150037606400 |
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n3 | 2.1416606927435E+21 |
n4 | 2.7605834996608E+28 |
n5 | 3.5583700463948E+35 |
Nth Root
y√n2√n | 3590.2534729459 |
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3√n | 234.46790734401 |
4√n | 59.918723892836 |
5√n | 26.427132635098 |
Divisors of 12889920
56 divisors
τ | Total Divisors | 56 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -12889919 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.017857142857143 | 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 | 56 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 12889920 can be divided by 56 positive divisors. The sum of these divisors (counting 12889920) is 1, the average is 0.017857142857143.
Base conversion 12889920
Base | System | Value |
---|---|---|
2 | Binary | 110001001010111101000000 |
3 | Ternary | 220020212122110 |
4 | Quaternary | 301022331000 |
5 | Quinary | 11244434140 |
6 | Senary | 1140135320 |
8 | Octal | 61127500 |
10 | Decimal | 12889920 |
12 | Duodecimal | 4397540 |
16 | Hexadecimal | c4af40 |
20 | Vigesimal | 40b4g0 |
36 | Base36 | 7o9xc |
Cryptographic Hash Functions
md5 | 02311ec2ef1a4f277069db4b6add7dc9 |
---|---|
sha1 | 01c6673b0dbb80e9c09fcbaef17067042cabb8d1 |
sha256 | 5a50eb13ccb48616979bd7d9dbc97775dbda437767631197626e6091ce670d62 |
sha512 | 4440d15a6af58cf957cec43b42b281f25d128901dc57d2b226f3a0ab155eb19f23de82aa6febc1abc73fa05c78f87ab05ba41c180864e124cd322dda8be635b4 |
ripemd-160 | 1c12f4a971ad4b3957c503e8762a19d59b531424 |
12889920 as geometric shapes
Circle
Radius = nDiameter | 25779840 |
---|---|
Circumference | 80989755.95472 |
Area | 5.2197573753793E+14 |
Sphere
Radius = nVolume | 8.97096733174E+21 |
---|---|
Surface area | 2.0879029501517E+15 |
Circumference | 80989755.95472 |
Square
Length = nPerimeter | 51559680 |
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Area | 166150037606400 |
Diagonal | 18229099.681904 |
Cube
Length = nSurface area | 996900225638400 |
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Volume | 2.1416606927435E+21 |
Space diagonal | 22325996.345498 |
Equilateral Triangle
Length = nPerimeter | 38669760 |
---|---|
Area | 71945076703441 |
Altitude | 11162998.172749 |
Triangular Pyramid
Length = nSurface area | 71945076703441 |
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Volume | 2.5239713313993E+20 |
Height | 6076366.5606347 |