81363630 (number)
81363630 is an even 8-digits composite number following 81363629 and preceding 81363631. In scientific notation, it is written as 8.1363630 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 64 positive divisors. There are 21135360 positive integers (up to 81363630) that are relatively prime to 81363630.
Interesting facts
- 81363630 has 64 divisors, whose sum is 200397888
- The reverse of 81363630 is 03636318
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
Name | eighty-one million three hundred sixty-three thousand six hundred thirty |
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Notation
Scientific notation | 8.1363630 × 10^7 |
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Engineering notation | 8.1363630 × 10^6 |
Prime Factorization of 81363630
Prime Factorization 2 × 3 × 5 × 173 × 61 × 257
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 81363630 | Product of the distinct prime numbers |
The prime factorization of 81363630 is 2 × 3 × 5 × 173 × 61 × 257. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81363630)
Multiplication
n×yn×2 | 162727260 |
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n×3 | 244090890 |
n×4 | 325454520 |
n×5 | 406818150 |
Division
n÷yn÷2 | 40681815 |
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n÷3 | 27121210 |
n÷3 | 20340907.5 |
n÷5 | 16272726 |
Exponentiation
nyn2 | 6620040286776900 |
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n3 | 5.3863050847841E+23 |
n4 | 4.3824933398549E+31 |
n5 | 3.5657556658142E+39 |
Nth Root
y√n2√n | 9020.1790447862 |
---|---|
3√n | 433.32136784843 |
4√n | 94.974623162117 |
5√n | 38.201996744531 |
Divisors of 81363630
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 | -81363629 | 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 81363630 can be divided by 64 positive divisors. The sum of these divisors (counting 81363630) is 1, the average is 0.015625.
Base conversion 81363630
Base | System | Value |
---|---|---|
2 | Binary | 100110110011000001010101110 |
3 | Ternary | 12200002200220210 |
4 | Quaternary | 10312120022232 |
5 | Quinary | 131312114010 |
6 | Senary | 12023523250 |
8 | Octal | 466301256 |
10 | Decimal | 81363630 |
12 | Duodecimal | 232b9526 |
16 | Hexadecimal | 4d982ae |
20 | Vigesimal | 158a91a |
36 | Base36 | 1cfwku |
Cryptographic Hash Functions
md5 | a2dd9f2b1399c688394cd78740872555 |
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sha1 | cd86dab48dc252a723450887b9292fd8867e6fbd |
sha256 | c320057510202d8e7cb3e362d621e2a24b0ea86b3d9badf9ed0d61f57d581f9a |
sha512 | 8e397f779ad0e3ac23e80723ace2768623aba24faf20e6e80c2867126dd97a76de2cba802f8c976633d6e38c904d481cfc5f5e3b09d069424e9ee9dfe3c877fe |
ripemd-160 | 9ec22b8ee00718d4616d0f14e4a2a5773925770d |
81363630 as geometric shapes
Circle
Radius = nDiameter | 162727260 |
---|---|
Circumference | 511222764.5548 |
Area | 2.0797469931407E+16 |
Sphere
Radius = nVolume | 2.2562101979135E+24 |
---|---|
Surface area | 8.3189879725627E+16 |
Circumference | 511222764.5548 |
Square
Length = nPerimeter | 325454520 |
---|---|
Area | 6620040286776900 |
Diagonal | 115065549.02991 |
Cube
Length = nSurface area | 39720241720661400 |
---|---|
Volume | 5.3863050847841E+23 |
Space diagonal | 140925941.04824 |
Equilateral Triangle
Length = nPerimeter | 244090890 |
---|---|
Area | 2.8665615312126E+15 |
Altitude | 70462970.524118 |
Triangular Pyramid
Length = nSurface area | 2.8665615312126E+15 |
---|---|
Volume | 6.3478214183174E+22 |
Height | 38355183.009969 |