28408072 (number)
28408072 is an even 8-digits composite number following 28408071 and preceding 28408073. In scientific notation, it is written as 2.8408072 × 10^7. The sum of its digits is 31. It has a total of 7 prime factors and 64 positive divisors. There are 10939200 positive integers (up to 28408072) that are relatively prime to 28408072.
Interesting facts
- 28408072 has 64 divisors, whose sum is 67184640
- The reverse of 28408072 is 27080482
- Previous prime number is 107
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 31
- Digital Root 4
Name
Name | twenty-eight million four hundred eight thousand seventy-two |
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Notation
Scientific notation | 2.8408072 × 10^7 |
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Engineering notation | 2.8408072 × 10^6 |
Prime Factorization of 28408072
Prime Factorization 2 × 2 × 2 × 7 × 11 × 107 × 431
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 7102018 | Product of the distinct prime numbers |
The prime factorization of 28408072 is 2 × 2 × 2 × 7 × 11 × 107 × 431. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28408072)
Multiplication
n×yn×2 | 56816144 |
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n×3 | 85224216 |
n×4 | 113632288 |
n×5 | 142040360 |
Division
n÷yn÷2 | 14204036 |
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n÷3 | 9469357.3333333 |
n÷3 | 7102018 |
n÷5 | 5681614.4 |
Exponentiation
nyn2 | 807018554757184 |
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n3 | 2.2925841208878E+22 |
n4 | 6.5127894772237E+29 |
n5 | 1.8501579238981E+37 |
Nth Root
y√n2√n | 5329.9223258881 |
---|---|
3√n | 305.12696317648 |
4√n | 73.006317027282 |
5√n | 30.951974007191 |
Divisors of 28408072
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 | -28408071 | 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 28408072 can be divided by 64 positive divisors. The sum of these divisors (counting 28408072) is 1, the average is 0.015625.
Base conversion 28408072
Base | System | Value |
---|---|---|
2 | Binary | 1101100010111100100001000 |
3 | Ternary | 1222110021112211 |
4 | Quaternary | 1230113210020 |
5 | Quinary | 24233024242 |
6 | Senary | 2452514504 |
8 | Octal | 154274410 |
10 | Decimal | 28408072 |
12 | Duodecimal | 961ba34 |
16 | Hexadecimal | 1b17908 |
20 | Vigesimal | 8hb03c |
36 | Base36 | gwvt4 |
Cryptographic Hash Functions
md5 | fb824623c9070db073f073e3c505f437 |
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sha1 | cf4d23d5baa7bb457920e7ba77fd52d33569c554 |
sha256 | 534b0e735a957d40edf38284c7495bd1e1fd202cc919d7f9baee4c0e1b8351f1 |
sha512 | 59199423ab2591360c5629d1aef0263767c7a9fba6c1bc5a761f67b7d0dfdfb94d5d651eb46497ccf00b399ce8169a8952d08cb6d90599f6bf73b3186081429a |
ripemd-160 | ab2d6e9edbd6f7494f4e639f03c382d075ff8c60 |
28408072 as geometric shapes
Circle
Radius = nDiameter | 56816144 |
---|---|
Circumference | 178493180.5957 |
Area | 2.5353235629358E+15 |
Sphere
Radius = nVolume | 9.6031539092236E+22 |
---|---|
Surface area | 1.0141294251743E+16 |
Circumference | 178493180.5957 |
Square
Length = nPerimeter | 113632288 |
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Area | 807018554757184 |
Diagonal | 40175080.703271 |
Cube
Length = nSurface area | 4842111328543104 |
---|---|
Volume | 2.2925841208878E+22 |
Space diagonal | 49204224.049075 |
Equilateral Triangle
Length = nPerimeter | 85224216 |
---|---|
Area | 3.4944928487256E+14 |
Altitude | 24602112.024537 |
Triangular Pyramid
Length = nSurface area | 3.4944928487256E+14 |
---|---|
Volume | 2.7018362972006E+21 |
Height | 13391693.567757 |