81433900 (number)
81433900 is an even 8-digits composite number following 81433899 and preceding 81433901. In scientific notation, it is written as 8.1433900 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 72 positive divisors. There are 31104000 positive integers (up to 81433900) that are relatively prime to 81433900.
Interesting facts
- 81433900 has 72 divisors, whose sum is 184849280
- The reverse of 81433900 is 00933418
- Previous prime number is 241
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 28
- Digital Root 1
Name
Name | eighty-one million four hundred thirty-three thousand nine hundred |
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Notation
Scientific notation | 8.1433900 × 10^7 |
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Engineering notation | 8.1433900 × 10^6 |
Prime Factorization of 81433900
Prime Factorization 2 × 2 × 5 × 5 × 31 × 241 × 109
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 8143390 | Product of the distinct prime numbers |
The prime factorization of 81433900 is 2 × 2 × 5 × 5 × 31 × 241 × 109. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81433900)
Multiplication
n×yn×2 | 162867800 |
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n×3 | 244301700 |
n×4 | 325735600 |
n×5 | 407169500 |
Division
n÷yn÷2 | 40716950 |
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n÷3 | 27144633.333333 |
n÷3 | 20358475 |
n÷5 | 16286780 |
Exponentiation
nyn2 | 6631480069210000 |
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n3 | 5.4002728480804E+23 |
n4 | 4.3976527908329E+31 |
n5 | 3.5811801760341E+39 |
Nth Root
y√n2√n | 9024.0733596309 |
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3√n | 433.4460784871 |
4√n | 94.995122820232 |
5√n | 38.208593125287 |
Divisors of 81433900
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 | -81433899 | 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 81433900 can be divided by 72 positive divisors. The sum of these divisors (counting 81433900) is 1, the average is 0.013888888888889.
Base conversion 81433900
Base | System | Value |
---|---|---|
2 | Binary | 100110110101001010100101100 |
3 | Ternary | 12200020021022101 |
4 | Quaternary | 10312221110230 |
5 | Quinary | 131321341100 |
6 | Senary | 12025224444 |
8 | Octal | 466512454 |
10 | Decimal | 81433900 |
12 | Duodecimal | 23332124 |
16 | Hexadecimal | 4da952c |
20 | Vigesimal | 158j4f0 |
36 | Base36 | 1chess |
Cryptographic Hash Functions
md5 | 8153c7065c99b487eab4a85e54d88277 |
---|---|
sha1 | cd7151550956ba03d7226f2cec2c17925f46001b |
sha256 | 6673631d5d5e6472db2673434db035961304f712eba5b897043bdf99d9a369bd |
sha512 | 2dd1556d3ce80d348dc97307293f0fe6aedc546aa0636930fc43941ba535941bf730ebd6b055ff87db2cb509ba2a3edb4c3d30c2f21b672e738c7b7247096e1f |
ripemd-160 | 6d0e1789d59b12a5dd7e7d01cc5470967c9c2fd2 |
81433900 as geometric shapes
Circle
Radius = nDiameter | 162867800 |
---|---|
Circumference | 511664283.98633 |
Area | 2.0833409067857E+16 |
Sphere
Radius = nVolume | 2.2620610009213E+24 |
---|---|
Surface area | 8.3333636271429E+16 |
Circumference | 511664283.98633 |
Square
Length = nPerimeter | 325735600 |
---|---|
Area | 6631480069210000 |
Diagonal | 115164925.81693 |
Cube
Length = nSurface area | 39788880415260000 |
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Volume | 5.4002728480804E+23 |
Space diagonal | 141047652.25848 |
Equilateral Triangle
Length = nPerimeter | 244301700 |
---|---|
Area | 2.871515102313E+15 |
Altitude | 70523826.129242 |
Triangular Pyramid
Length = nSurface area | 2.871515102313E+15 |
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Volume | 6.3642825852254E+22 |
Height | 38388308.605645 |