87081642 (number)
87081642 is an even 8-digits composite number following 87081641 and preceding 87081643. In scientific notation, it is written as 8.7081642 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 80 positive divisors. There are 27941760 positive integers (up to 87081642) that are relatively prime to 87081642.
Interesting facts
- 87081642 has 80 divisors, whose sum is 202606272
- The reverse of 87081642 is 24618078
- Previous prime number is 71
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | eighty-seven million eighty-one thousand six hundred forty-two |
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Notation
Scientific notation | 8.7081642 × 10^7 |
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Engineering notation | 8.7081642 × 10^6 |
Prime Factorization of 87081642
Prime Factorization 2 × 9 × 3 × 3 × 67 × 71 × 113
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 29027214 | Product of the distinct prime numbers |
The prime factorization of 87081642 is 2 × 9 × 3 × 3 × 67 × 71 × 113. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 87081642)
Multiplication
n×yn×2 | 174163284 |
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n×3 | 261244926 |
n×4 | 348326568 |
n×5 | 435408210 |
Division
n÷yn÷2 | 43540821 |
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n÷3 | 29027214 |
n÷3 | 21770410.5 |
n÷5 | 17416328.4 |
Exponentiation
nyn2 | 7583212373416164 |
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n3 | 6.603585851118E+23 |
n4 | 5.7505109900332E+31 |
n5 | 5.0076393935114E+39 |
Nth Root
y√n2√n | 9331.7544974137 |
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3√n | 443.24332404248 |
4√n | 96.601006710146 |
5√n | 38.724455676414 |
Divisors of 87081642
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 | -87081641 | 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 87081642 can be divided by 80 positive divisors. The sum of these divisors (counting 87081642) is 1, the average is 0.0125.
Base conversion 87081642
Base | System | Value |
---|---|---|
2 | Binary | 101001100001100001010101010 |
3 | Ternary | 20001212012120000 |
4 | Quaternary | 11030030022222 |
5 | Quinary | 134243103032 |
6 | Senary | 12350243430 |
8 | Octal | 514141252 |
10 | Decimal | 87081642 |
12 | Duodecimal | 251b6576 |
16 | Hexadecimal | 530c2aa |
20 | Vigesimal | 1745422 |
36 | Base36 | 1fugmi |
Cryptographic Hash Functions
md5 | ecee037c69509e5d3ac3734e8a1848bc |
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sha1 | 3eb395a7e1f4ac004d26280abc60edfad32d82bd |
sha256 | 8bd1c75172f5fa7588d474ea8df742557062de3d35a5d84292358551aa0fbf23 |
sha512 | 4ac73007119e01485b5b386c78f648d0391832d70f0193fb86029d5f8eb88562d86ffc2902cf351653074b5b6870327329e1c4f71b41f855e75603234e28809d |
ripemd-160 | bfa45e55d88a14a76f7309b219bae000460a37e6 |
87081642 as geometric shapes
Circle
Radius = nDiameter | 174163284 |
---|---|
Circumference | 547150093.53947 |
Area | 2.3823364282935E+16 |
Sphere
Radius = nVolume | 2.7661035729629E+24 |
---|---|
Surface area | 9.5293457131742E+16 |
Circumference | 547150093.53947 |
Square
Length = nPerimeter | 348326568 |
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Area | 7583212373416164 |
Diagonal | 123152039.15012 |
Cube
Length = nSurface area | 45499274240496984 |
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Volume | 6.603585851118E+23 |
Space diagonal | 150829828.35052 |
Equilateral Triangle
Length = nPerimeter | 261244926 |
---|---|
Area | 3.2836272788354E+15 |
Altitude | 75414914.175262 |
Triangular Pyramid
Length = nSurface area | 3.2836272788354E+15 |
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Volume | 7.7824005591218E+22 |
Height | 41050679.716706 |