28427856

28,427,856 is an even composite number composed of four prime numbers multiplied together.

What does the number 28427856 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

28427856 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 28427856:

2⁴ × 3 × 47 × 12601

(2 × 2 × 2 × 2 × 3 × 47 × 12601)

See below for interesting mathematical facts about the number 28427856 from the Numbermatics database.

Names of 28427856

Cardinal: 28427856 can be written as Twenty-eight million, four hundred twenty-seven thousand, eight hundred fifty-six.

Scientific notation

Scientific notation: 2.8427856 × 10⁷

Factors of 28427856

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 12653

Divisors of 28427856

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 4 6 8 12 16 24 47 48 94 141 188 282 376 564 752 1128 2256 12601 25202 37803 50404 75606 100808 151212 201616 302424 592247 604848 1184494 1776741 2368988 3553482 4737976 7106964 9475952 14213928 28427856
Sum of all divisors σ(n): 75007104
Sum of proper divisors (its aliquot sum) s(n): 46579248
28427856 is an abundant number, because the sum of its proper divisors (46579248) is greater than itself. Its abundance is 18151392

Bases of 28427856

Binary: 1101100011100011001010000₂
Hexadecimal: 0x1B1C650
Base-36: GXB2O

Squares and roots of 28427856

28427856 squared (28427856²) is 808142996756736
28427856 cubed (28427856³) is 22973772739208958038016
The square root of 28427856 is 5331.7779398621
The cube root of 28427856 is 305.1977790937

Scales and comparisons

How big is 28427856?

28,427,856 seconds is equal to 47 weeks, 37 minutes, 36 seconds.
To count from 1 to 28,427,856 would take you about eighteen weeks!

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 28427856 cubic inches would be around 25.4 feet tall.

Recreational maths with 28427856

28427856 backwards is 65872482
The number of decimal digits it has is: 8
The sum of 28427856's digits is 42
More coming soon!

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The information we have on file for 28427856 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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