71388928 (number)
71388928 is an even 8-digits composite number following 71388927 and preceding 71388929. In scientific notation, it is written as 7.1388928 × 10^7. The sum of its digits is 46. It has a total of 11 prime factors and 72 positive divisors. There are 31186944 positive integers (up to 71388928) that are relatively prime to 71388928.
Interesting facts
- 71388928 has 72 divisors, whose sum is 161680400
- The reverse of 71388928 is 82988317
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 46
- Digital Root 1
Name
Name | seventy-one million three hundred eighty-eight thousand nine hundred twenty-eight |
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Notation
Scientific notation | 7.1388928 × 10^7 |
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Engineering notation | 7.1388928 × 10^6 |
Prime Factorization of 71388928
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 19 × 1129
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 11 | Total number of prime factors |
rad | Radical | 557726 | Product of the distinct prime numbers |
The prime factorization of 71388928 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 19 × 1129. Since it has a total of 11 prime factors.
Most popular turbo-numbers
Basic calculations (n = 71388928)
Multiplication
n×yn×2 | 142777856 |
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n×3 | 214166784 |
n×4 | 285555712 |
n×5 | 356944640 |
Division
n÷yn÷2 | 35694464 |
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n÷3 | 23796309.333333 |
n÷3 | 17847232 |
n÷5 | 14277785.6 |
Exponentiation
nyn2 | 5096379040989184 |
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n3 | 3.6382503641789E+23 |
n4 | 2.5973079329434E+31 |
n5 | 1.8541902901872E+39 |
Nth Root
y√n2√n | 8449.1968849116 |
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3√n | 414.83649241715 |
4√n | 91.919513080257 |
5√n | 37.215698280511 |
Divisors of 71388928
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 | -71388927 | 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 71388928 can be divided by 72 positive divisors. The sum of these divisors (counting 71388928) is 1, the average is 0.013888888888889.
Base conversion 71388928
Base | System | Value |
---|---|---|
2 | Binary | 100010000010100111100000000 |
3 | Ternary | 11222022221012101 |
4 | Quaternary | 10100110330000 |
5 | Quinary | 121233421203 |
6 | Senary | 11030040144 |
8 | Octal | 420247400 |
10 | Decimal | 71388928 |
12 | Duodecimal | 1baa9054 |
16 | Hexadecimal | 4414f00 |
20 | Vigesimal | 1263c68 |
36 | Base36 | 16i41s |
Cryptographic Hash Functions
md5 | 27c5834fe5eac9872a0d38fca6f8527f |
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sha1 | d7b6cd1eae4090d726e72cdfde5f697038a01f5d |
sha256 | 30c522a3e4d6ef9f4bf88ae50ecd2daf11575cd828c7edcdb3a5e7b67c082ae8 |
sha512 | bc061904ebaebefed739a139aa1a839f4b7ae1efe24ea22fd951f1b18bf192604c2a5ade64fb4ef7058d4dce681c899d52221ec1dd9cc5ad15c405dd47972e20 |
ripemd-160 | 6ccb5c547ec3268213b4e4844a63e1e52cb29b5e |
71388928 as geometric shapes
Circle
Radius = nDiameter | 142777856 |
---|---|
Circumference | 448549863.5049 |
Area | 1.6010746955081E+16 |
Sphere
Radius = nVolume | 1.5239867488033E+24 |
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Surface area | 6.4042987820322E+16 |
Circumference | 448549863.5049 |
Square
Length = nPerimeter | 285555712 |
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Area | 5096379040989184 |
Diagonal | 100959190.18088 |
Cube
Length = nSurface area | 30578274245935104 |
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Volume | 3.6382503641789E+23 |
Space diagonal | 123649250.39388 |
Equilateral Triangle
Length = nPerimeter | 214166784 |
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Area | 2.2067968584056E+15 |
Altitude | 61824625.196938 |
Triangular Pyramid
Length = nSurface area | 2.2067968584056E+15 |
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Volume | 4.2877191736088E+22 |
Height | 33653063.393625 |