81489296 (number)
81489296 is an even 8-digits composite number following 81489295 and preceding 81489297. In scientific notation, it is written as 8.1489296 × 10^7. The sum of its digits is 47. It has a total of 8 prime factors and 80 positive divisors. There are 32514048 positive integers (up to 81489296) that are relatively prime to 81489296.
Interesting facts
- 81489296 has 80 divisors, whose sum is 193130496
- The reverse of 81489296 is 69298418
- Previous prime number is 337
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 47
- Digital Root 2
Name
Name | eighty-one million four hundred eighty-nine thousand two hundred ninety-six |
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Notation
Scientific notation | 8.1489296 × 10^7 |
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Engineering notation | 8.1489296 × 10^6 |
Prime Factorization of 81489296
Prime Factorization 2 × 2 × 2 × 2 × 7 × 17 × 337 × 127
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 10186162 | Product of the distinct prime numbers |
The prime factorization of 81489296 is 2 × 2 × 2 × 2 × 7 × 17 × 337 × 127. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81489296)
Multiplication
n×yn×2 | 162978592 |
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n×3 | 244467888 |
n×4 | 325957184 |
n×5 | 407446480 |
Division
n÷yn÷2 | 40744648 |
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n÷3 | 27163098.666667 |
n÷3 | 20372324 |
n÷5 | 16297859.2 |
Exponentiation
nyn2 | 6640505362575616 |
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n3 | 5.4113010708051E+23 |
n4 | 4.4096311470396E+31 |
n5 | 3.5933773779193E+39 |
Nth Root
y√n2√n | 9027.1421834377 |
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3√n | 433.54434115341 |
4√n | 95.011273980711 |
5√n | 38.213790045798 |
Divisors of 81489296
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -81489295 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 81489296 can be divided by 80 positive divisors. The sum of these divisors (counting 81489296) is 1, the average is 0.0125.
Base conversion 81489296
Base | System | Value |
---|---|---|
2 | Binary | 100110110110110110110010000 |
3 | Ternary | 12200100002022002 |
4 | Quaternary | 10312312312100 |
5 | Quinary | 131330124141 |
6 | Senary | 12030333132 |
8 | Octal | 466666620 |
10 | Decimal | 81489296 |
12 | Duodecimal | 2335a1a8 |
16 | Hexadecimal | 4db6d90 |
20 | Vigesimal | 159634g |
36 | Base36 | 1ciljk |
Cryptographic Hash Functions
md5 | f82d9d960817e4f483e3b7177774e74a |
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sha1 | 245941bce7434e44fade9ea56f8cfe2fee5a11b6 |
sha256 | 09b0a4d22bf0025e72452d800d404c17b50fb72d384c0322d439af9a01f39ca3 |
sha512 | 0b7c7589fb55d85ffb8cac3d1b66795519cacc14ac76d7c5a1e19a09021dd77548eeac08aff9058841e2d1981393bd77d3c04ea04c5703c84ef985693b4646fb |
ripemd-160 | 18921bc0fbb80addd5c9852524d056f0e588127b |
81489296 as geometric shapes
Circle
Radius = nDiameter | 162978592 |
---|---|
Circumference | 512012347.31961 |
Area | 2.0861762863191E+16 |
Sphere
Radius = nVolume | 2.2666804920539E+24 |
---|---|
Surface area | 8.3447051452765E+16 |
Circumference | 512012347.31961 |
Square
Length = nPerimeter | 325957184 |
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Area | 6640505362575616 |
Diagonal | 115243267.59144 |
Cube
Length = nSurface area | 39843032175453696 |
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Volume | 5.4113010708051E+23 |
Space diagonal | 141143600.94502 |
Equilateral Triangle
Length = nPerimeter | 244467888 |
---|---|
Area | 2.8754231689786E+15 |
Altitude | 70571800.47251 |
Triangular Pyramid
Length = nSurface area | 2.8754231689786E+15 |
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Volume | 6.3772794703472E+22 |
Height | 38414422.530479 |