87081968 (number)
87081968 is an even 8-digits composite number following 87081967 and preceding 87081969. In scientific notation, it is written as 8.7081968 × 10^7. The sum of its digits is 47. It has a total of 7 prime factors and 40 positive divisors. There are 42262272 positive integers (up to 87081968) that are relatively prime to 87081968.
Interesting facts
- 87081968 has 40 divisors, whose sum is 173747808
- The reverse of 87081968 is 86918078
- Previous prime number is 103
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 47
- Digital Root 2
Name
Name | eighty-seven million eighty-one thousand nine hundred sixty-eight |
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Notation
Scientific notation | 8.7081968 × 10^7 |
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Engineering notation | 8.7081968 × 10^6 |
Prime Factorization of 87081968
Prime Factorization 2 × 2 × 2 × 2 × 53 × 103 × 997
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 10885246 | Product of the distinct prime numbers |
The prime factorization of 87081968 is 2 × 2 × 2 × 2 × 53 × 103 × 997. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 87081968)
Multiplication
n×yn×2 | 174163936 |
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n×3 | 261245904 |
n×4 | 348327872 |
n×5 | 435409840 |
Division
n÷yn÷2 | 43540984 |
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n÷3 | 29027322.666667 |
n÷3 | 21770492 |
n÷5 | 17416393.6 |
Exponentiation
nyn2 | 7583269150753024 |
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n3 | 6.6036600152126E+23 |
n4 | 5.7505971012762E+31 |
n5 | 5.0077331275423E+39 |
Nth Root
y√n2√n | 9331.7719646378 |
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3√n | 443.24387715233 |
4√n | 96.601097119224 |
5√n | 38.724484670249 |
Divisors of 87081968
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -87081967 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 87081968 can be divided by 40 positive divisors. The sum of these divisors (counting 87081968) is 1, the average is 0.025.
Base conversion 87081968
Base | System | Value |
---|---|---|
2 | Binary | 101001100001100001111110000 |
3 | Ternary | 20001212020000002 |
4 | Quaternary | 11030030033300 |
5 | Quinary | 134243110333 |
6 | Senary | 12350245132 |
8 | Octal | 514141760 |
10 | Decimal | 87081968 |
12 | Duodecimal | 251b67a8 |
16 | Hexadecimal | 530c3f0 |
20 | Vigesimal | 17454i8 |
36 | Base36 | 1fugvk |
Cryptographic Hash Functions
md5 | b71dfc1be9bc505e326d24e74836a278 |
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sha1 | cbac4dd621d01b01dfac56646c1ef57350619b33 |
sha256 | 34f8e71850b4cfd0c8dc249c5efdea542e003349e4189cdd19b5920d3865a5ce |
sha512 | 3d0b7dcefca43ec044f660c8b33a38602141b1f90e73aebb2ec0c5027d98a68ce25490573c093ce49dfe04e8700fcf155a0fbf7b1218709dcdc31ef7ad13ee17 |
ripemd-160 | a2ccd711786338fe1e59aab62b7f94c9f2a19c64 |
87081968 as geometric shapes
Circle
Radius = nDiameter | 174163936 |
---|---|
Circumference | 547152141.85788 |
Area | 2.38235426542E+16 |
Sphere
Radius = nVolume | 2.7661346387462E+24 |
---|---|
Surface area | 9.5294170616799E+16 |
Circumference | 547152141.85788 |
Square
Length = nPerimeter | 348327872 |
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Area | 7583269150753024 |
Diagonal | 123152500.18374 |
Cube
Length = nSurface area | 45499614904518144 |
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Volume | 6.6036600152126E+23 |
Space diagonal | 150830392.99909 |
Equilateral Triangle
Length = nPerimeter | 261245904 |
---|---|
Area | 3.2836518641435E+15 |
Altitude | 75415196.499544 |
Triangular Pyramid
Length = nSurface area | 3.2836518641435E+15 |
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Volume | 7.7824879623455E+22 |
Height | 41050833.39458 |