81330360 (number)
81330360 is an even 8-digits composite number following 81330359 and preceding 81330361. In scientific notation, it is written as 8.1330360 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 64 positive divisors. There are 20987520 positive integers (up to 81330360) that are relatively prime to 81330360.
Interesting facts
- 81330360 has 64 divisors, whose sum is 251873280
- The reverse of 81330360 is 06303318
- Previous prime number is 31
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | eighty-one million three hundred thirty thousand three hundred sixty |
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Notation
Scientific notation | 8.1330360 × 10^7 |
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Engineering notation | 8.1330360 × 10^6 |
Prime Factorization of 81330360
Prime Factorization 2 × 2 × 2 × 5 × 3 × 31 × 21863
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 20332590 | Product of the distinct prime numbers |
The prime factorization of 81330360 is 2 × 2 × 2 × 5 × 3 × 31 × 21863. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81330360)
Multiplication
n×yn×2 | 162660720 |
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n×3 | 243991080 |
n×4 | 325321440 |
n×5 | 406651800 |
Division
n÷yn÷2 | 40665180 |
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n÷3 | 27110120 |
n÷3 | 20332590 |
n÷5 | 16266072 |
Exponentiation
nyn2 | 6614627457729600 |
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n3 | 5.3797003240303E+23 |
n4 | 4.375329640455E+31 |
n5 | 3.5584713477688E+39 |
Nth Root
y√n2√n | 9018.3346577958 |
---|---|
3√n | 433.262297363 |
4√n | 94.964912772011 |
5√n | 38.198872035452 |
Divisors of 81330360
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -81330359 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 81330360 can be divided by 64 positive divisors. The sum of these divisors (counting 81330360) is 1, the average is 0.015625.
Base conversion 81330360
Base | System | Value |
---|---|---|
2 | Binary | 100110110010000000010111000 |
3 | Ternary | 12200001000021120 |
4 | Quaternary | 10312100002320 |
5 | Quinary | 131310032420 |
6 | Senary | 12023105240 |
8 | Octal | 466200270 |
10 | Decimal | 81330360 |
12 | Duodecimal | 232a2220 |
16 | Hexadecimal | 4d900b8 |
20 | Vigesimal | 15865i0 |
36 | Base36 | 1cf6wo |
Cryptographic Hash Functions
md5 | 9961f3ecaff170b40eae814625640756 |
---|---|
sha1 | 8b36d28068afaa38a3480dc56c480d146ba613b3 |
sha256 | 980ae37926b540a58c686f971a25a522a3b798ada93afdb4f84f489b62b97780 |
sha512 | 10e986f5b390faccaeee0a7617a1ef4f2c5a8e96e7851ff4445a7b59f274034c36276e4d9733f08e13d44764f61f20398809fef4526862b05ad45320cdaae4f6 |
ripemd-160 | 772cbf1949027cddcd7cf2762c984b7161c6405b |
81330360 as geometric shapes
Circle
Radius = nDiameter | 162660720 |
---|---|
Circumference | 511013722.97963 |
Area | 2.0780465027437E+16 |
Sphere
Radius = nVolume | 2.2534436021984E+24 |
---|---|
Surface area | 8.3121860109747E+16 |
Circumference | 511013722.97963 |
Square
Length = nPerimeter | 325321440 |
---|---|
Area | 6614627457729600 |
Diagonal | 115018498.14469 |
Cube
Length = nSurface area | 39687764746377600 |
---|---|
Volume | 5.3797003240303E+23 |
Space diagonal | 140868315.71787 |
Equilateral Triangle
Length = nPerimeter | 243991080 |
---|---|
Area | 2.864217707482E+15 |
Altitude | 70434157.858934 |
Triangular Pyramid
Length = nSurface area | 2.864217707482E+15 |
---|---|
Volume | 6.3400376331222E+22 |
Height | 38339499.381562 |