28913688

28,913,688 is an even composite number composed of four prime numbers multiplied together.

What does the number 28913688 look like?

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

28913688 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 28913688:

2³ × 3² × 313 × 1283

(2 × 2 × 2 × 3 × 3 × 313 × 1283)

See below for interesting mathematical facts about the number 28913688 from the Numbermatics database.

Names of 28913688

Cardinal: 28913688 can be written as Twenty-eight million, nine hundred thirteen thousand, six hundred eighty-eight.

Scientific notation

Scientific notation: 2.8913688 × 10⁷

Factors of 28913688

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 1601

Divisors of 28913688

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 36 72 313 626 939 1252 1283 1878 2504 2566 2817 3756 3849 5132 5634 7512 7698 10264 11268 11547 15396 22536 23094 30792 46188 92376 401579 803158 1204737 1606316 2409474 3212632 3614211 4818948 7228422 9637896 14456844 28913688
Sum of all divisors σ(n): 78619320
Sum of proper divisors (its aliquot sum) s(n): 49705632
28913688 is an abundant number, because the sum of its proper divisors (49705632) is greater than itself. Its abundance is 20791944

Bases of 28913688

Binary: 1101110010011000000011000₂
Hexadecimal: 0x1B93018
Base-36: H7PY0

Squares and roots of 28913688

28913688 squared (28913688²) is 836001353761344
28913688 cubed (28913688³) is 24171882310233126876672
The square root of 28913688 is 5377.1449673595
The cube root of 28913688 is 306.9265775957

Scales and comparisons

How big is 28913688?

28,913,688 seconds is equal to 47 weeks, 5 days, 15 hours, 34 minutes, 48 seconds.
To count from 1 to 28,913,688 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 28913688 cubic inches would be around 25.6 feet tall.

Recreational maths with 28913688

28913688 backwards is 88631982
The number of decimal digits it has is: 8
The sum of 28913688's digits is 45
More coming soon!

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The information we have on file for 28913688 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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