28085728

28,085,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 28085728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

28085728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28085728:

2⁵ × 11 × 73 × 1093

(2 × 2 × 2 × 2 × 2 × 11 × 73 × 1093)

See below for interesting mathematical facts about the number 28085728 from the Numbermatics database.

Names of 28085728

Cardinal: 28085728 can be written as Twenty-eight million, eighty-five thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 2.8085728 × 10⁷

Factors of 28085728

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 1179

Divisors of 28085728

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 8 11 16 22 32 44 73 88 146 176 292 352 584 803 1093 1168 1606 2186 2336 3212 4372 6424 8744 12023 12848 17488 24046 25696 34976 48092 79789 96184 159578 192368 319156 384736 638312 877679 1276624 1755358 2553248 3510716 7021432 14042864 28085728
Sum of all divisors σ(n): 61202736
Sum of proper divisors (its aliquot sum) s(n): 33117008
28085728 is an abundant number, because the sum of its proper divisors (33117008) is greater than itself. Its abundance is 5031280

Bases of 28085728

Binary: 1101011001000110111100000₂
Hexadecimal: 0x1AC8DE0
Base-36: GPZ34

Squares and roots of 28085728

28085728 squared (28085728²) is 788808117289984
28085728 cubed (28085728³) is 22154250226398587748352
The square root of 28085728 is 5299.5969658079
The cube root of 28085728 is 303.9684870381

Scales and comparisons

How big is 28085728?

28,085,728 seconds is equal to 46 weeks, 3 days, 1 hour, 35 minutes, 28 seconds.
To count from 1 to 28,085,728 would take you about seventeen 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 28085728 cubic inches would be around 25.3 feet tall.

Recreational maths with 28085728

28085728 backwards is 82758082
The number of decimal digits it has is: 8
The sum of 28085728's digits is 40
More coming soon!

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The information we have on file for 28085728 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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