81330300 (number)
81330300 is an even 8-digits composite number following 81330299 and preceding 81330301. In scientific notation, it is written as 8.1330300 × 10^7. The sum of its digits is 18. It has a total of 7 prime factors and 72 positive divisors. There are 20739840 positive integers (up to 81330300) that are relatively prime to 81330300.
Interesting facts
- 81330300 has 72 divisors, whose sum is 223161120
- The reverse of 81330300 is 00303318
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | eighty-one million three hundred thirty thousand three hundred |
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Notation
Scientific notation | 8.1330300 × 10^7 |
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Engineering notation | 8.1330300 × 10^6 |
Prime Factorization of 81330300
Prime Factorization 2 × 2 × 3 × 3 × 25 × 23 × 3929
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 13555050 | Product of the distinct prime numbers |
The prime factorization of 81330300 is 2 × 2 × 3 × 3 × 25 × 23 × 3929. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81330300)
Multiplication
n×yn×2 | 162660600 |
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n×3 | 243990900 |
n×4 | 325321200 |
n×5 | 406651500 |
Division
n÷yn÷2 | 40665150 |
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n÷3 | 27110100 |
n÷3 | 20332575 |
n÷5 | 16266060 |
Exponentiation
nyn2 | 6614617698090000 |
---|---|
n3 | 5.3796884177097E+23 |
n4 | 4.3753167291885E+31 |
n5 | 3.5584582217992E+39 |
Nth Root
y√n2√n | 9018.3313312386 |
---|---|
3√n | 433.26219081917 |
4√n | 94.964895257346 |
5√n | 38.198866399345 |
Divisors of 81330300
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -81330299 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 81330300 can be divided by 72 positive divisors. The sum of these divisors (counting 81330300) is 1, the average is 0.013888888888889.
Base conversion 81330300
Base | System | Value |
---|---|---|
2 | Binary | 100110110010000000001111100 |
3 | Ternary | 12200001000012100 |
4 | Quaternary | 10312100001330 |
5 | Quinary | 131310032200 |
6 | Senary | 12023105100 |
8 | Octal | 466200174 |
10 | Decimal | 81330300 |
12 | Duodecimal | 232a2190 |
16 | Hexadecimal | 4d9007c |
20 | Vigesimal | 15865f0 |
36 | Base36 | 1cf6v0 |
Cryptographic Hash Functions
md5 | f70986d8935c837d8c1dd772d50930a9 |
---|---|
sha1 | 7a4a3510560613b8db9cdcb2b995f723195b53de |
sha256 | 94c6d53a406e668f4d6cf86166e467ca5a94393d8bc85d25135a5f3a2505b27d |
sha512 | 98a313217e030f7afcb6b3d88b85729aa17676ac8d3e85f1448ef90e6d9aa1536ee76734ba278deaad57da6523b05fb35922489b0754c09f149b795aa59a93aa |
ripemd-160 | 32303502efc3bd13e6fb867f1743e8851f288311 |
81330300 as geometric shapes
Circle
Radius = nDiameter | 162660600 |
---|---|
Circumference | 511013345.98851 |
Area | 2.0780434366625E+16 |
Sphere
Radius = nVolume | 2.2534386148905E+24 |
---|---|
Surface area | 8.3121737466498E+16 |
Circumference | 511013345.98851 |
Square
Length = nPerimeter | 325321200 |
---|---|
Area | 6614617698090000 |
Diagonal | 115018413.29187 |
Cube
Length = nSurface area | 39687706188540000 |
---|---|
Volume | 5.3796884177097E+23 |
Space diagonal | 140868211.79482 |
Equilateral Triangle
Length = nPerimeter | 243990900 |
---|---|
Area | 2.864213481434E+15 |
Altitude | 70434105.89741 |
Triangular Pyramid
Length = nSurface area | 2.864213481434E+15 |
---|---|
Volume | 6.3400236013888E+22 |
Height | 38339471.097291 |