820642018 (number)
820642018 is an even 9-digits composite number following 820642017 and preceding 820642019. In scientific notation, it is written as 8.20642018 × 10^8. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 340967232 positive integers (up to 820642018) that are relatively prime to 820642018.
Interesting facts
- 820642018 has 32 divisors, whose sum is 1450036224
- The reverse of 820642018 is 810246028
- Previous prime number is 5407
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 31
- Digital Root 4
Name
Name | eight hundred twenty million six hundred forty-two thousand eighteen |
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Notation
Scientific notation | 8.20642018 × 10^8 |
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Engineering notation | 8.20642018 × 10^6 |
Prime Factorization of 820642018
Prime Factorization 2 × 7 × 37 × 5407 × 293
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 5 | Total number of prime factors |
rad | Radical | 820642018 | Product of the distinct prime numbers |
The prime factorization of 820642018 is 2 × 7 × 37 × 5407 × 293. Since it has a total of 5 prime factors.
Most popular turbo-numbers
Basic calculations (n = 820642018)
Multiplication
n×yn×2 | 1641284036 |
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n×3 | 2461926054 |
n×4 | 3282568072 |
n×5 | 4103210090 |
Division
n÷yn÷2 | 410321009 |
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n÷3 | 273547339.33333 |
n÷3 | 205160504.5 |
n÷5 | 164128403.6 |
Exponentiation
nyn2 | 673453321707112324 |
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n3 | 5.5266409295453E+26 |
n4 | 4.5353937651834E+35 |
n5 | 3.7219346918848E+44 |
Nth Root
y√n2√n | 28646.850053714 |
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3√n | 936.23437604163 |
4√n | 169.25380366099 |
5√n | 60.649992281782 |
Divisors of 820642018
32 divisors
τ | Total Divisors | 32 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -820642017 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.03125 | 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 | 32 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 820642018 can be divided by 32 positive divisors. The sum of these divisors (counting 820642018) is 1, the average is 0.03125.
Base conversion 820642018
Base | System | Value |
---|---|---|
2 | Binary | 110000111010100000000011100010 |
3 | Ternary | 2010012011221012211 |
4 | Quaternary | 300322200003202 |
5 | Quinary | 3140041021033 |
6 | Senary | 213233112334 |
8 | Octal | 6072400342 |
10 | Decimal | 820642018 |
12 | Duodecimal | 1aa9b86aa |
16 | Hexadecimal | 30ea00e2 |
20 | Vigesimal | cg9050i |
36 | Base36 | dkl7fm |
Cryptographic Hash Functions
md5 | 81aed27e0df8535968b71a5b0cb24296 |
---|---|
sha1 | d5da092ba13d2081195282a9d5ebc6297294808c |
sha256 | 15aff4c2bbb170b34e992d2ff71dbceb973fd21f224f07c0ac64ad037860a42a |
sha512 | a5df30cd98ff0aa4579c88d81a5e5837bc27e2a5bf0e1e898b028318f1a57eba123ff366dac98e19e70e88f067d005904f7e41127e7ccd5b9c78aa53bcef4d9b |
ripemd-160 | c6e79711ab4b44f5b8972a89f1f036cb9571124d |
820642018 as geometric shapes
Circle
Radius = nDiameter | 1641284036 |
---|---|
Circumference | 5156245869.9518 |
Area | 2.1157160080107E+18 |
Sphere
Radius = nVolume | 2.3149939391051E+27 |
---|---|
Surface area | 8.4628640320428E+18 |
Circumference | 5156245869.9518 |
Square
Length = nPerimeter | 3282568072 |
---|---|
Area | 673453321707112324 |
Diagonal | 1160563071.7088 |
Cube
Length = nSurface area | 4040719930242673944 |
---|---|
Volume | 5.5266409295453E+26 |
Space diagonal | 1421393670.0019 |
Equilateral Triangle
Length = nPerimeter | 2461926054 |
---|---|
Area | 2.9161384243069E+17 |
Altitude | 710696835.00093 |
Triangular Pyramid
Length = nSurface area | 2.9161384243069E+17 |
---|---|
Volume | 6.513208797441E+25 |
Height | 386854357.23628 |