81610080 (number)
81610080 is an even 8-digits composite number following 81610079 and preceding 81610081. In scientific notation, it is written as 8.1610080 × 10^7. The sum of its digits is 24. It has a total of 8 prime factors and 48 positive divisors. There are 21762560 positive integers (up to 81610080) that are relatively prime to 81610080.
Interesting facts
- 81610080 has 48 divisors, whose sum is 257073264
- The reverse of 81610080 is 08001618
- Previous prime number is 5
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | eighty-one million six hundred ten thousand eighty |
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Notation
Scientific notation | 8.1610080 × 10^7 |
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Engineering notation | 8.1610080 × 10^6 |
Prime Factorization of 81610080
Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 5 × 170021
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 5100630 | Product of the distinct prime numbers |
The prime factorization of 81610080 is 2 × 2 × 2 × 2 × 2 × 3 × 5 × 170021. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81610080)
Multiplication
n×yn×2 | 163220160 |
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n×3 | 244830240 |
n×4 | 326440320 |
n×5 | 408050400 |
Division
n÷yn÷2 | 40805040 |
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n÷3 | 27203360 |
n÷3 | 20402520 |
n÷5 | 16322016 |
Exponentiation
nyn2 | 6660205157606400 |
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n3 | 5.4353987572867E+23 |
n4 | 4.4358332741407E+31 |
n5 | 3.6200870836928E+39 |
Nth Root
y√n2√n | 9033.8297526575 |
---|---|
3√n | 433.7584362208 |
4√n | 95.046461021216 |
5√n | 38.225111484456 |
Divisors of 81610080
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 | -81610079 | 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 81610080 can be divided by 48 positive divisors. The sum of these divisors (counting 81610080) is 1, the average is 0.020833333333333.
Base conversion 81610080
Base | System | Value |
---|---|---|
2 | Binary | 100110111010100010101100000 |
3 | Ternary | 12200120012222120 |
4 | Quaternary | 10313110111200 |
5 | Quinary | 131343010310 |
6 | Senary | 12033104240 |
8 | Octal | 467242540 |
10 | Decimal | 81610080 |
12 | Duodecimal | 233b8080 |
16 | Hexadecimal | 4dd4560 |
20 | Vigesimal | 15a1540 |
36 | Base36 | 1cl6qo |
Cryptographic Hash Functions
md5 | 16b4d3ebeca47ac16df65335aa8c5f64 |
---|---|
sha1 | 24554695fae579c6976c21fe5d2de1ab0ef74399 |
sha256 | 125f3d4557711e603c8f8d2e6dc19c56066f70888f60a89a13292b4e0ce1d921 |
sha512 | b05c0de6c570e7afd1b25f6d9c025049ee65b35055278d42ec41d5c9b7886a4db2cb6ef149e9abd6edab88833c9bff633ebd412dd4fe54a9b4296dc38e9aac0c |
ripemd-160 | f2e13bd730e9047284cc029c0edfe15172bebf25 |
81610080 as geometric shapes
Circle
Radius = nDiameter | 163220160 |
---|---|
Circumference | 512771255.57375 |
Area | 2.0923651594537E+16 |
Sphere
Radius = nVolume | 2.2767745073631E+24 |
---|---|
Surface area | 8.3694606378148E+16 |
Circumference | 512771255.57375 |
Square
Length = nPerimeter | 326440320 |
---|---|
Area | 6660205157606400 |
Diagonal | 115414081.96235 |
Cube
Length = nSurface area | 39961230945638400 |
---|---|
Volume | 5.4353987572867E+23 |
Space diagonal | 141352804.96976 |
Equilateral Triangle
Length = nPerimeter | 244830240 |
---|---|
Area | 2.8839534304516E+15 |
Altitude | 70676402.48488 |
Triangular Pyramid
Length = nSurface area | 2.8839534304516E+15 |
---|---|
Volume | 6.4056788662173E+22 |
Height | 38471360.654118 |