81330804 (number)
81330804 is an even 8-digits composite number following 81330803 and preceding 81330805. In scientific notation, it is written as 8.1330804 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 26984016 positive integers (up to 81330804) that are relatively prime to 81330804.
Interesting facts
- 81330804 has 48 divisors, whose sum is 197718528
- The reverse of 81330804 is 40803318
- Previous prime number is 283
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | eighty-one million three hundred thirty thousand eight hundred four |
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Notation
Scientific notation | 8.1330804 × 10^7 |
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Engineering notation | 8.1330804 × 10^6 |
Prime Factorization of 81330804
Prime Factorization 2 × 2 × 3 × 27 × 283 × 887
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 40665402 | Product of the distinct prime numbers |
The prime factorization of 81330804 is 2 × 2 × 3 × 27 × 283 × 887. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81330804)
Multiplication
n×yn×2 | 162661608 |
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n×3 | 243992412 |
n×4 | 325323216 |
n×5 | 406654020 |
Division
n÷yn÷2 | 40665402 |
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n÷3 | 27110268 |
n÷3 | 20332701 |
n÷5 | 16266160.8 |
Exponentiation
nyn2 | 6614699679286416 |
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n3 | 5.3797884313491E+23 |
n4 | 4.3754251847152E+31 |
n5 | 3.5585684811473E+39 |
Nth Root
y√n2√n | 9018.3592742804 |
---|---|
3√n | 433.26308578572 |
4√n | 94.965042380238 |
5√n | 38.198913742539 |
Divisors of 81330804
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 | -81330803 | 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 81330804 can be divided by 48 positive divisors. The sum of these divisors (counting 81330804) is 1, the average is 0.020833333333333.
Base conversion 81330804
Base | System | Value |
---|---|---|
2 | Binary | 100110110010000001001110100 |
3 | Ternary | 12200001000220000 |
4 | Quaternary | 10312100021310 |
5 | Quinary | 131310041204 |
6 | Senary | 12023111300 |
8 | Octal | 466201164 |
10 | Decimal | 81330804 |
12 | Duodecimal | 232a2530 |
16 | Hexadecimal | 4d90274 |
20 | Vigesimal | 1586704 |
36 | Base36 | 1cf790 |
Cryptographic Hash Functions
md5 | 2a2903b1a8ed6d092c3e5830d5735cec |
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sha1 | de87b4b53b60931458659027b7a7adc1261368cd |
sha256 | b7921774ae493b891915a5081c532e17ed6e117b3e59eb9d7be426ca51f02cdb |
sha512 | 04e31ec053a1c332c45ec92c77fa5235ae8dbe0f8de826f4361d4e74cb06d2aeb2d57f355b8e9a8de5cfeb7b5b57d52769776dda221ccd0f0fff1c16e7c718a8 |
ripemd-160 | e85b1ff32b2de188b85e8f101064bc5ae232fa3f |
81330804 as geometric shapes
Circle
Radius = nDiameter | 162661608 |
---|---|
Circumference | 511016512.7139 |
Area | 2.0780691918149E+16 |
Sphere
Radius = nVolume | 2.2534805085058E+24 |
---|---|
Surface area | 8.3122767672596E+16 |
Circumference | 511016512.7139 |
Square
Length = nPerimeter | 325323216 |
---|---|
Area | 6614699679286416 |
Diagonal | 115019126.05551 |
Cube
Length = nSurface area | 39688198075718496 |
---|---|
Volume | 5.3797884313491E+23 |
Space diagonal | 140869084.74843 |
Equilateral Triangle
Length = nPerimeter | 243992412 |
---|---|
Area | 2.8642489803334E+15 |
Altitude | 70434542.374213 |
Triangular Pyramid
Length = nSurface area | 2.8642489803334E+15 |
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Volume | 6.3401414685931E+22 |
Height | 38339708.685169 |