28993872 (number)
28993872 is an even 8-digits composite number following 28993871 and preceding 28993873. In scientific notation, it is written as 2.8993872 × 10^7. The sum of its digits is 48. It has a total of 7 prime factors and 40 positive divisors. There are 9604096 positive integers (up to 28993872) that are relatively prime to 28993872.
Interesting facts
- 28993872 has 40 divisors, whose sum is 75370176
- The reverse of 28993872 is 27839982
- Previous prime number is 167
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 48
- Digital Root 3
Name
Name | twenty-eight million nine hundred ninety-three thousand eight hundred seventy-two |
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Notation
Scientific notation | 2.8993872 × 10^7 |
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Engineering notation | 2.8993872 × 10^6 |
Prime Factorization of 28993872
Prime Factorization 2 × 2 × 2 × 2 × 3 × 167 × 3617
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 3624234 | Product of the distinct prime numbers |
The prime factorization of 28993872 is 2 × 2 × 2 × 2 × 3 × 167 × 3617. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28993872)
Multiplication
n×yn×2 | 57987744 |
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n×3 | 86981616 |
n×4 | 115975488 |
n×5 | 144969360 |
Division
n÷yn÷2 | 14496936 |
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n÷3 | 9664624 |
n÷3 | 7248468 |
n÷5 | 5798774.4 |
Exponentiation
nyn2 | 840644613552384 |
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n3 | 2.4373542322827E+22 |
n4 | 7.0668336629464E+29 |
n5 | 2.0489487066876E+37 |
Nth Root
y√n2√n | 5384.5958065578 |
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3√n | 307.2100406332 |
4√n | 73.379805168437 |
5√n | 31.078585443269 |
Divisors of 28993872
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -28993871 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 28993872 can be divided by 40 positive divisors. The sum of these divisors (counting 28993872) is 1, the average is 0.025.
Base conversion 28993872
Base | System | Value |
---|---|---|
2 | Binary | 1101110100110100101010000 |
3 | Ternary | 2000120001010010 |
4 | Quaternary | 1232212211100 |
5 | Quinary | 24410300442 |
6 | Senary | 2513234520 |
8 | Octal | 156464520 |
10 | Decimal | 28993872 |
12 | Duodecimal | 9862a40 |
16 | Hexadecimal | 1ba6950 |
20 | Vigesimal | 9144dc |
36 | Base36 | h9ftc |
Cryptographic Hash Functions
md5 | 547fbb9f46aa1586549a129e06be205d |
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sha1 | 59b59234b735e64069a297d457e7b170497aa493 |
sha256 | b74e6fe20d525179a83331c4fda29d79470a70c185d065aaceebac0ec435ab7f |
sha512 | ea98940a6b1074431a66d6c6eec6cccc54695d0e0c766e198b98f310e2ec2c62e015661a0094b09b33b6891a6237df8ddb19fe42f9d99523cb22047a6284990c |
ripemd-160 | c7b3533e803d8bd9a61ced51d23e55c63a903ea3 |
28993872 as geometric shapes
Circle
Radius = nDiameter | 57987744 |
---|---|
Circumference | 182173870.54865 |
Area | 2.640962942216E+15 |
Sphere
Radius = nVolume | 1.0209565533781E+23 |
---|---|
Surface area | 1.0563851768864E+16 |
Circumference | 182173870.54865 |
Square
Length = nPerimeter | 115975488 |
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Area | 840644613552384 |
Diagonal | 41003527.00811 |
Cube
Length = nSurface area | 5043867681314304 |
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Volume | 2.4373542322827E+22 |
Space diagonal | 50218859.412149 |
Equilateral Triangle
Length = nPerimeter | 86981616 |
---|---|
Area | 3.6400979544546E+14 |
Altitude | 25109429.706074 |
Triangular Pyramid
Length = nSurface area | 3.6400979544546E+14 |
---|---|
Volume | 2.8724495096681E+21 |
Height | 13667842.336037 |