28868788

28,868,788 is an even composite number composed of four prime numbers multiplied together.

What does the number 28868788 look like?

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

28868788 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 28868788:

2² × 13 × 17³ × 113

(2 × 2 × 13 × 17 × 17 × 17 × 113)

See below for interesting mathematical facts about the number 28868788 from the Numbermatics database.

Names of 28868788

Cardinal: 28868788 can be written as Twenty-eight million, eight hundred sixty-eight thousand, seven hundred eighty-eight.

Scientific notation

Scientific notation: 2.8868788 × 10⁷

Factors of 28868788

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 145

Divisors of 28868788

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 13 17 26 34 52 68 113 221 226 289 442 452 578 884 1156 1469 1921 2938 3757 3842 4913 5876 7514 7684 9826 15028 19652 24973 32657 49946 63869 65314 99892 127738 130628 255476 424541 555169 849082 1110338 1698164 2220676 7217197 14434394 28868788
Sum of all divisors σ(n): 58317840
Sum of proper divisors (its aliquot sum) s(n): 29449052
28868788 is an abundant number, because the sum of its proper divisors (29449052) is greater than itself. Its abundance is 580264

Bases of 28868788

Binary: 1101110001000000010110100₂
Hexadecimal: 0x1B880B4
Base-36: H6RAS

Squares and roots of 28868788

28868788 squared (28868788²) is 833406920588944
28868788 cubed (28868788³) is 24059447708215059479872
The square root of 28868788 is 5372.9682671685
The cube root of 28868788 is 306.7676200921

Scales and comparisons

How big is 28868788?

28,868,788 seconds is equal to 47 weeks, 5 days, 3 hours, 6 minutes, 28 seconds.
To count from 1 to 28,868,788 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 28868788 cubic inches would be around 25.6 feet tall.

Recreational maths with 28868788

28868788 backwards is 88786882
The number of decimal digits it has is: 8
The sum of 28868788's digits is 55
More coming soon!

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The information we have on file for 28868788 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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