131521806 (number)
131521806 is an even 9-digits composite number following 131521805 and preceding 131521807. In scientific notation, it is written as 1.31521806 × 10^8. The sum of its digits is 27. It has a total of 7 prime factors and 80 positive divisors. There are 40310784 positive integers (up to 131521806) that are relatively prime to 131521806.
Interesting facts
- 131521806 has 80 divisors, whose sum is 319922064
- The reverse of 131521806 is 608125131
- Previous prime number is 13
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 27
- Digital Root 9
Name
Name | one hundred thirty-one million five hundred twenty-one thousand eight hundred six |
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Notation
Scientific notation | 1.31521806 × 10^8 |
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Engineering notation | 1.31521806 × 10^6 |
Prime Factorization of 131521806
Prime Factorization 2 × 9 × 81 × 3 × 9 × 13 × 257
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 14613534 | Product of the distinct prime numbers |
The prime factorization of 131521806 is 2 × 9 × 81 × 3 × 9 × 13 × 257. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 131521806)
Multiplication
n×yn×2 | 263043612 |
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n×3 | 394565418 |
n×4 | 526087224 |
n×5 | 657609030 |
Division
n÷yn÷2 | 65760903 |
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n÷3 | 43840602 |
n÷3 | 32880451.5 |
n÷5 | 26304361.2 |
Exponentiation
nyn2 | 17297985453501636 |
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n3 | 2.2750622870063E+24 |
n4 | 2.9922030074955E+32 |
n5 | 3.9353994346445E+40 |
Nth Root
y√n2√n | 11468.295688549 |
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3√n | 508.54874620795 |
4√n | 107.09012881003 |
5√n | 42.053248814598 |
Divisors of 131521806
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 | -131521805 | 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 131521806 can be divided by 80 positive divisors. The sum of these divisors (counting 131521806) is 1, the average is 0.0125.
Base conversion 131521806
Base | System | Value |
---|---|---|
2 | Binary | 111110101101101110100001110 |
3 | Ternary | 100011111000000000 |
4 | Quaternary | 13311231310032 |
5 | Quinary | 232132144211 |
6 | Senary | 21014545130 |
8 | Octal | 765556416 |
10 | Decimal | 131521806 |
12 | Duodecimal | 380681a6 |
16 | Hexadecimal | 7d6dd0e |
20 | Vigesimal | 21204a6 |
36 | Base36 | 26ayvi |
Cryptographic Hash Functions
md5 | 0d5b4033d77cf55d18decb27f20d74b6 |
---|---|
sha1 | 0ff716895d3159b090c7f8e56542b5f206eda697 |
sha256 | 74e4b6b23c78e0bc3f72c9e3a0291b5ec19ac03ec2e999bd387e494f5690d457 |
sha512 | 36fdcbf8229e726179ddfd4ed6e4cf581149253e5272c3ddc17f5e9f949d174fb437b2dddae32195fd290b1def405c04eb9d3f104b1c20e305f7cc936b95507e |
ripemd-160 | 6bb808ba464309c97dc7afb9f6954aa7b2968abb |
131521806 as geometric shapes
Circle
Radius = nDiameter | 263043612 |
---|---|
Circumference | 826375879.03292 |
Area | 5.4343224022624E+16 |
Sphere
Radius = nVolume | 9.5297586230908E+24 |
---|---|
Surface area | 2.173728960905E+17 |
Circumference | 826375879.03292 |
Square
Length = nPerimeter | 526087224 |
---|---|
Area | 17297985453501636 |
Diagonal | 185999921.793 |
Cube
Length = nSurface area | 103787912721009816 |
---|---|
Volume | 2.2750622870063E+24 |
Space diagonal | 227802450.29522 |
Equilateral Triangle
Length = nPerimeter | 394565418 |
---|---|
Area | 7.490247418513E+15 |
Altitude | 113901225.14761 |
Triangular Pyramid
Length = nSurface area | 7.490247418513E+15 |
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Volume | 2.6811866179398E+23 |
Height | 61999973.931001 |