28158988

28,158,988 is an even composite number composed of five prime numbers multiplied together.

What does the number 28158988 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

28158988 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28158988:

2² × 11 × 13 × 19 × 2591

(2 × 2 × 11 × 13 × 19 × 2591)

See below for interesting mathematical facts about the number 28158988 from the Numbermatics database.

Names of 28158988

Cardinal: 28158988 can be written as Twenty-eight million, one hundred fifty-eight thousand, nine hundred eighty-eight.

Scientific notation

Scientific notation: 2.8158988 × 10⁷

Factors of 28158988

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 2636

Divisors of 28158988

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 11 13 19 22 26 38 44 52 76 143 209 247 286 418 494 572 836 988 2591 2717 5182 5434 10364 10868 28501 33683 49229 57002 67366 98458 114004 134732 196916 370513 541519 639977 741026 1083038 1279954 1482052 2166076 2559908 7039747 14079494 28158988
Sum of all divisors σ(n): 60963840
Sum of proper divisors (its aliquot sum) s(n): 32804852
28158988 is an abundant number, because the sum of its proper divisors (32804852) is greater than itself. Its abundance is 4645864

Bases of 28158988

Binary: 1101011011010110000001100₂
Hexadecimal: 0x1ADAC0C
Base-36: GRJM4

Squares and roots of 28158988

28158988 squared (28158988²) is 792928605184144
28158988 cubed (28158988³) is 22328067078237048686272
The square root of 28158988 is 5306.5043107493
The cube root of 28158988 is 304.2325523211

Scales and comparisons

How big is 28158988?

28,158,988 seconds is equal to 46 weeks, 3 days, 21 hours, 56 minutes, 28 seconds.
To count from 1 to 28,158,988 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 28158988 cubic inches would be around 25.4 feet tall.

Recreational maths with 28158988

28158988 backwards is 88985182
The number of decimal digits it has is: 8
The sum of 28158988's digits is 49
More coming soon!

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The information we have on file for 28158988 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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