81680310 (number)
81680310 is an even 8-digits composite number following 81680309 and preceding 81680311. In scientific notation, it is written as 8.1680310 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 21631680 positive integers (up to 81680310) that are relatively prime to 81680310.
Interesting facts
- 81680310 has 48 divisors, whose sum is 213829200
- The reverse of 81680310 is 01308618
- Previous prime number is 149
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
Name | eighty-one million six hundred eighty thousand three hundred ten |
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Notation
Scientific notation | 8.1680310 × 10^7 |
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Engineering notation | 8.1680310 × 10^6 |
Prime Factorization of 81680310
Prime Factorization 2 × 3 × 3 × 5 × 149 × 6091
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 27226770 | Product of the distinct prime numbers |
The prime factorization of 81680310 is 2 × 3 × 3 × 5 × 149 × 6091. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81680310)
Multiplication
n×yn×2 | 163360620 |
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n×3 | 245040930 |
n×4 | 326721240 |
n×5 | 408401550 |
Division
n÷yn÷2 | 40840155 |
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n÷3 | 27226770 |
n÷3 | 20420077.5 |
n÷5 | 16336062 |
Exponentiation
nyn2 | 6671673041696100 |
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n3 | 5.4494432226438E+23 |
n4 | 4.4511221175294E+31 |
n5 | 3.6356903440766E+39 |
Nth Root
y√n2√n | 9037.7159725231 |
---|---|
3√n | 433.88282494347 |
4√n | 95.066902613492 |
5√n | 38.231688186684 |
Divisors of 81680310
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -81680309 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 81680310 can be divided by 48 positive divisors. The sum of these divisors (counting 81680310) is 1, the average is 0.020833333333333.
Base conversion 81680310
Base | System | Value |
---|---|---|
2 | Binary | 100110111100101011110110110 |
3 | Ternary | 12200200210022200 |
4 | Quaternary | 10313211132312 |
5 | Quinary | 131402232220 |
6 | Senary | 12034405330 |
8 | Octal | 467453666 |
10 | Decimal | 81680310 |
12 | Duodecimal | 23430846 |
16 | Hexadecimal | 4de57b6 |
20 | Vigesimal | 15aa0fa |
36 | Base36 | 1cmoxi |
Cryptographic Hash Functions
md5 | 4f4e80554006209a4f0744914da0ed7b |
---|---|
sha1 | 58146b184262e37d59ab29651a53a8ddc2fd0dc3 |
sha256 | 22bdb84d44ff5091a476a4a49af037ea09c3c9594f1fcdf27fc4b057dcf8d012 |
sha512 | 17f2eec4e156574b189ab0b15f9ff8858793c42bcc992ae4509bab14c00e1975910d3afdda7ff9639036d12a60879ae5ff7e7fe12aaede0bda13d1aa1f7f19d8 |
ripemd-160 | 28d2f966f01e9f0a076a189c8a75d6c29a315f6b |
81680310 as geometric shapes
Circle
Radius = nDiameter | 163360620 |
---|---|
Circumference | 513212523.67787 |
Area | 2.0959679014946E+16 |
Sphere
Radius = nVolume | 2.282657439255E+24 |
---|---|
Surface area | 8.3838716059782E+16 |
Circumference | 513212523.67787 |
Square
Length = nPerimeter | 326721240 |
---|---|
Area | 6671673041696100 |
Diagonal | 115513402.18084 |
Cube
Length = nSurface area | 40030038250176600 |
---|---|
Volume | 5.4494432226438E+23 |
Space diagonal | 141474446.89798 |
Equilateral Triangle
Length = nPerimeter | 245040930 |
---|---|
Area | 2.8889191699263E+15 |
Altitude | 70737223.448988 |
Triangular Pyramid
Length = nSurface area | 2.8889191699263E+15 |
---|---|
Volume | 6.4222304273708E+22 |
Height | 38504467.393613 |