7131288921 (number)
7131288921 is an odd 10-digits composite number following 7131288920 and preceding 7131288922. In scientific notation, it is written as 7.131288921 × 10^9. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 4640544000 positive integers (up to 7131288921) that are relatively prime to 7131288921.
Interesting facts
- 7131288921 has 32 divisors, whose sum is 9739319040
- The reverse of 7131288921 is 1298821317
- Previous prime number is 109
Basic properties
- Is Prime? no
- Number parity odd
- Number length 10
- Sum of Digits 42
- Digital Root 6
Name
Name | seven billion one hundred thirty-one million two hundred eighty-eight thousand nine hundred twenty-one |
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Notation
Scientific notation | 7.131288921 × 10^9 |
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Engineering notation | 7.131288921 × 10^9 |
Prime Factorization of 7131288921
Prime Factorization 101 × 3 × 263 × 109 × 821
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 5 | Total number of prime factors |
rad | Radical | 7131288921 | Product of the distinct prime numbers |
The prime factorization of 7131288921 is 101 × 3 × 263 × 109 × 821. Since it has a total of 5 prime factors.
Most popular turbo-numbers
Basic calculations (n = 7131288921)
Multiplication
n×yn×2 | 14262577842 |
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n×3 | 21393866763 |
n×4 | 28525155684 |
n×5 | 35656444605 |
Division
n÷yn÷2 | 3565644460.5 |
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n÷3 | 2377096307 |
n÷3 | 1782822230.25 |
n÷5 | 1426257784.2 |
Exponentiation
nyn2 | 5.0855281674777E+19 |
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n3 | 3.6266370678167E+29 |
n4 | 2.5862596742209E+39 |
n5 | 1.8443364961601E+49 |
Nth Root
y√n2√n | 84446.959217014 |
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3√n | 1924.8165493139 |
4√n | 290.59758983346 |
5√n | 93.461684968281 |
Divisors of 7131288921
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 | -7131288920 | 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 7131288921 can be divided by 32 positive divisors. The sum of these divisors (counting 7131288921) is 1, the average is 0.03125.
Base conversion 7131288921
Base | System | Value |
---|---|---|
2 | Binary | 110101001000011101101010101011001 |
3 | Ternary | 200101222210000022220 |
4 | Quaternary | 12221003231111121 |
5 | Quinary | 104101102221141 |
6 | Senary | 3135344134253 |
8 | Octal | 65103552531 |
10 | Decimal | 7131288921 |
12 | Duodecimal | 1470307389 |
16 | Hexadecimal | 1a90ed559 |
20 | Vigesimal | 5b8ab261 |
36 | Base36 | 39xs9qx |
Cryptographic Hash Functions
md5 | 0e38f2094761c450c365c64dde25be08 |
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sha1 | 0458da4742400c8bf33b46f1f0be1b5791a6471b |
sha256 | b8287d9d51dd62f68d3384ef8a795564b3974d959b70933a92efd9e36497c459 |
sha512 | 52dc9063125d321203f3bacddd82b16bd1a5d531d3acf62f6a3dc9a377dd8632cb08cfe593f91639ccfec71b872f33b6d78f7d7496d06ea69459c95a2db99272 |
ripemd-160 | 71e56e793e3960d1fe97cf853c92c5355a6558fd |
7131288921 as geometric shapes
Circle
Radius = nDiameter | 14262577842 |
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Circumference | 44807209769.68 |
Area | 1.5976657930572E+20 |
Sphere
Radius = nVolume | 1.5191221825986E+30 |
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Surface area | 6.3906631722288E+20 |
Circumference | 44807209769.68 |
Square
Length = nPerimeter | 28525155684 |
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Area | 5.0855281674777E+19 |
Diagonal | 10085165509.279 |
Cube
Length = nSurface area | 3.0513169004866E+20 |
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Volume | 3.6266370678167E+29 |
Space diagonal | 12351754734.625 |
Equilateral Triangle
Length = nPerimeter | 21393866763 |
---|---|
Area | 2.2020982923485E+19 |
Altitude | 6175877367.3125 |
Triangular Pyramid
Length = nSurface area | 2.2020982923485E+19 |
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Volume | 4.2740327725929E+28 |
Height | 3361721836.4264 |