81248832 (number)
81248832 is an even 8-digits composite number following 81248831 and preceding 81248833. In scientific notation, it is written as 8.1248832 × 10^7. The sum of its digits is 36. It has a total of 10 prime factors and 84 positive divisors. There are 23203584 positive integers (up to 81248832) that are relatively prime to 81248832.
Interesting facts
- 81248832 has 84 divisors, whose sum is 207101440
- The reverse of 81248832 is 23884218
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | eighty-one million two hundred forty-eight thousand eight hundred thirty-two |
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Notation
Scientific notation | 8.1248832 × 10^7 |
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Engineering notation | 8.1248832 × 10^6 |
Prime Factorization of 81248832
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 9 × 7 × 2239
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 282114 | Product of the distinct prime numbers |
The prime factorization of 81248832 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 9 × 7 × 2239. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 81248832)
Multiplication
n×yn×2 | 162497664 |
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n×3 | 243746496 |
n×4 | 324995328 |
n×5 | 406244160 |
Division
n÷yn÷2 | 40624416 |
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n÷3 | 27082944 |
n÷3 | 20312208 |
n÷5 | 16249766.4 |
Exponentiation
nyn2 | 6601372701364224 |
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n3 | 5.3635382158253E+23 |
n4 | 4.3578121542317E+31 |
n5 | 3.5406714760673E+39 |
Nth Root
y√n2√n | 9013.8133994442 |
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3√n | 433.11747724045 |
4√n | 94.941104899007 |
5√n | 38.191210623086 |
Divisors of 81248832
84 divisors
τ | Total Divisors | 84 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -81248831 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.011904761904762 | 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 | 84 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 81248832 can be divided by 84 positive divisors. The sum of these divisors (counting 81248832) is 1, the average is 0.011904761904762.
Base conversion 81248832
Base | System | Value |
---|---|---|
2 | Binary | 100110101111100001001000000 |
3 | Ternary | 12122212212110000 |
4 | Quaternary | 10311330021000 |
5 | Quinary | 131244430312 |
6 | Senary | 12021240000 |
8 | Octal | 465741100 |
10 | Decimal | 81248832 |
12 | Duodecimal | 23263000 |
16 | Hexadecimal | 4d7c240 |
20 | Vigesimal | 157g21c |
36 | Base36 | 1cdg00 |
Cryptographic Hash Functions
md5 | 6b2fe50c8632a7006466705b33d600d2 |
---|---|
sha1 | ae15da2d0702a5b3c7410f8201920ede1c76e724 |
sha256 | bae44d5b6f6c88d6f19d186ee39ae443ba49e4f56c2010c7cfcb7ca85145c47c |
sha512 | 110a0aefdcc2887e15c403755575c10cdbb1a1c4077ac0fd06102c11bb0f2103e6d7a7f114ef91315b94c1b21a17210d8fccb43129bfd668d552170ca7aced2f |
ripemd-160 | 2c4fde7d988cdb554501dd4f6ced10a02bd108ab |
81248832 as geometric shapes
Circle
Radius = nDiameter | 162497664 |
---|---|
Circumference | 510501467.4479 |
Area | 2.0738823982214E+16 |
Sphere
Radius = nVolume | 2.2466736341446E+24 |
---|---|
Surface area | 8.2955295928856E+16 |
Circumference | 510501467.4479 |
Square
Length = nPerimeter | 324995328 |
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Area | 6601372701364224 |
Diagonal | 114903200.14137 |
Cube
Length = nSurface area | 39608236208185344 |
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Volume | 5.3635382158253E+23 |
Space diagonal | 140727105.07963 |
Equilateral Triangle
Length = nPerimeter | 243746496 |
---|---|
Area | 2.8584782296153E+15 |
Altitude | 70363552.539814 |
Triangular Pyramid
Length = nSurface area | 2.8584782296153E+15 |
---|---|
Volume | 6.3209904059388E+22 |
Height | 38301066.713791 |