28686996

28,686,996 is an even composite number composed of four prime numbers multiplied together.

What does the number 28686996 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

28686996 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 28686996:

2² × 3² × 13 × 61297

(2 × 2 × 3 × 3 × 13 × 61297)

See below for interesting mathematical facts about the number 28686996 from the Numbermatics database.

Names of 28686996

Cardinal: 28686996 can be written as Twenty-eight million, six hundred eighty-six thousand, nine hundred ninety-six.

Scientific notation

Scientific notation: 2.8686996 × 10⁷

Factors of 28686996

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 61315

Divisors of 28686996

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 61297 122594 183891 245188 367782 551673 735564 796861 1103346 1593722 2206692 2390583 3187444 4781166 7171749 9562332 14343498 28686996
Sum of all divisors σ(n): 78093652
Sum of proper divisors (its aliquot sum) s(n): 49406656
28686996 is an abundant number, because the sum of its proper divisors (49406656) is greater than itself. Its abundance is 20719660

Bases of 28686996

Binary: 1101101011011101010010100₂
Hexadecimal: 0x1B5BA94
Base-36: H2V10

Squares and roots of 28686996

28686996 squared (28686996²) is 822943739504016
28686996 cubed (28686996³) is 23607783763376748975936
The square root of 28686996 is 5356.0242717897
The cube root of 28686996 is 306.1223399065

Scales and comparisons

How big is 28686996?

28,686,996 seconds is equal to 47 weeks, 3 days, 36 minutes, 36 seconds.
To count from 1 to 28,686,996 would take you about nineteen 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 28686996 cubic inches would be around 25.5 feet tall.

Recreational maths with 28686996

28686996 backwards is 69968682
The number of decimal digits it has is: 8
The sum of 28686996's digits is 54
More coming soon!

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The information we have on file for 28686996 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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