12889728 (number)
12889728 is an even 8-digits composite number following 12889727 and preceding 12889729. In scientific notation, it is written as 1.2889728 × 10^7. The sum of its digits is 45. It has a total of 10 prime factors and 64 positive divisors. There are 4207104 positive integers (up to 12889728) that are relatively prime to 12889728.
Interesting facts
- 12889728 has 64 divisors, whose sum is 29131200
- The reverse of 12889728 is 82798821
- Previous prime number is 67
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 45
- Digital Root 9
Name
Name | twelve million eight hundred eighty-nine thousand seven hundred twenty-eight |
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Notation
Scientific notation | 1.2889728 × 10^7 |
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Engineering notation | 1.2889728 × 10^6 |
Prime Factorization of 12889728
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 67 × 167
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 201402 | Product of the distinct prime numbers |
The prime factorization of 12889728 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 9 × 67 × 167. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12889728)
Multiplication
n×yn×2 | 25779456 |
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n×3 | 38669184 |
n×4 | 51558912 |
n×5 | 64448640 |
Division
n÷yn÷2 | 6444864 |
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n÷3 | 4296576 |
n÷3 | 3222432 |
n÷5 | 2577945.6 |
Exponentiation
nyn2 | 166145087913984 |
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n3 | 2.1415649917473E+21 |
n4 | 2.7604190237945E+28 |
n5 | 3.5581050382737E+35 |
Nth Root
y√n2√n | 3590.2267337872 |
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3√n | 234.46674317692 |
4√n | 59.918500763847 |
5√n | 26.427053906297 |
Divisors of 12889728
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 | -12889727 | 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 12889728 can be divided by 64 positive divisors. The sum of these divisors (counting 12889728) is 1, the average is 0.015625.
Base conversion 12889728
Base | System | Value |
---|---|---|
2 | Binary | 110001001010111010000000 |
3 | Ternary | 220020212101100 |
4 | Quaternary | 301022322000 |
5 | Quinary | 11244432403 |
6 | Senary | 1140134400 |
8 | Octal | 61127200 |
10 | Decimal | 12889728 |
12 | Duodecimal | 4397400 |
16 | Hexadecimal | c4ae80 |
20 | Vigesimal | 40b468 |
36 | Base36 | 7o9s0 |
Cryptographic Hash Functions
md5 | dd9757bc48f2e4ed3d2e4717a827625d |
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sha1 | c0a08e35a02bf5b567e7d280069e8bdf64409a1b |
sha256 | c705bd6260e5297e6197712f07bcd1c903ac9a2b1e1437bfa5f43714828d4e97 |
sha512 | e75109d7f52a58ddf9c222f8f24cb98ed304f2227a78f3cf54ca55529b70c8b272da687f01d69add03a04a3ffe9b0b374650320f8427278b4113ee320d237feb |
ripemd-160 | 1a1243e8b17490707073ea0d9f3aa656bc2bf156 |
12889728 as geometric shapes
Circle
Radius = nDiameter | 25779456 |
---|---|
Circumference | 80988549.583141 |
Area | 5.219601876206E+14 |
Sphere
Radius = nVolume | 8.9705664603447E+21 |
---|---|
Surface area | 2.0878407504824E+15 |
Circumference | 80988549.583141 |
Square
Length = nPerimeter | 51558912 |
---|---|
Area | 166145087913984 |
Diagonal | 18228828.1529 |
Cube
Length = nSurface area | 996870527483904 |
---|---|
Volume | 2.1415649917473E+21 |
Space diagonal | 22325663.791743 |
Equilateral Triangle
Length = nPerimeter | 38669184 |
---|---|
Area | 71942933423755 |
Altitude | 11162831.895872 |
Triangular Pyramid
Length = nSurface area | 71942933423755 |
---|---|
Volume | 2.5238585466938E+20 |
Height | 6076276.0509667 |