31809085 (number)
31809085 is an odd 8-digits composite number following 31809084 and preceding 31809086. In scientific notation, it is written as 3.1809085 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 56 positive divisors. There are 18627840 positive integers (up to 31809085) that are relatively prime to 31809085.
Interesting facts
- 31809085 has 56 divisors, whose sum is 50691240
- The reverse of 31809085 is 58090813
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 34
- Digital Root 7
Name
Name | thirty-one million eight hundred nine thousand eighty-five |
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Notation
Scientific notation | 3.1809085 × 10^7 |
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Engineering notation | 3.1809085 × 10^6 |
Prime Factorization of 31809085
Prime Factorization 5 × 29 × 77 × 7 × 11 × 37
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 31809085 | Product of the distinct prime numbers |
The prime factorization of 31809085 is 5 × 29 × 77 × 7 × 11 × 37. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 31809085)
Multiplication
n×yn×2 | 63618170 |
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n×3 | 95427255 |
n×4 | 127236340 |
n×5 | 159045425 |
Division
n÷yn÷2 | 15904542.5 |
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n÷3 | 10603028.333333 |
n÷3 | 7952271.25 |
n÷5 | 6361817 |
Exponentiation
nyn2 | 1011817888537225 |
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n3 | 3.2185001221001E+22 |
n4 | 1.0237754395639E+30 |
n5 | 3.2565359978001E+37 |
Nth Root
y√n2√n | 5639.9543437868 |
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3√n | 316.84757837367 |
4√n | 75.099629451728 |
5√n | 31.659950778286 |
Divisors of 31809085
56 divisors
τ | Total Divisors | 56 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -31809084 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.017857142857143 | 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 | 56 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 31809085 can be divided by 56 positive divisors. The sum of these divisors (counting 31809085) is 1, the average is 0.017857142857143.
Base conversion 31809085
Base | System | Value |
---|---|---|
2 | Binary | 1111001010101111000111101 |
3 | Ternary | 2012212001212021 |
4 | Quaternary | 1321111320331 |
5 | Quinary | 31120342320 |
6 | Senary | 3053440141 |
8 | Octal | 171257075 |
10 | Decimal | 31809085 |
12 | Duodecimal | a7a0051 |
16 | Hexadecimal | 1e55e3d |
20 | Vigesimal | 9ig2e5 |
36 | Base36 | ixs1p |
Cryptographic Hash Functions
md5 | 9e0338cd2947328181a929aaee67e6ad |
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sha1 | ec65ecd6ea51652f331fb3b30054edbdc10900bd |
sha256 | cea825d0bbac185fedaa7e3b48580136db11c29d1e3613d792a8422dfcc90cdd |
sha512 | 5521c26a81dfd7b605d83677652b5622cc83839422b1717758cadf0319a6b6c4bdb3c9134fc226af23945821c867b49f5e15881c169bdb6c8cd3734ae9aad691 |
ripemd-160 | 635de906fe585a3b6bf9906a65e07dd636cc2e7f |
31809085 as geometric shapes
Circle
Radius = nDiameter | 63618170 |
---|---|
Circumference | 199862375.50683 |
Area | 3.1787196453993E+15 |
Sphere
Radius = nVolume | 1.3481621785557E+23 |
---|---|
Surface area | 1.2714878581597E+16 |
Circumference | 199862375.50683 |
Square
Length = nPerimeter | 127236340 |
---|---|
Area | 1011817888537225 |
Diagonal | 44984839.413679 |
Cube
Length = nSurface area | 6070907331223350 |
---|---|
Volume | 3.2185001221001E+22 |
Space diagonal | 55094951.362277 |
Equilateral Triangle
Length = nPerimeter | 95427255 |
---|---|
Area | 4.3812999773838E+14 |
Altitude | 27547475.681139 |
Triangular Pyramid
Length = nSurface area | 4.3812999773838E+14 |
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Volume | 3.7930387693112E+21 |
Height | 14994946.471226 |