28088809

28,088,809 is an odd composite number composed of three prime numbers multiplied together.

What does the number 28088809 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

28088809 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 28088809:

7² × 37 × 15493

(7 × 7 × 37 × 15493)

See below for interesting mathematical facts about the number 28088809 from the Numbermatics database.

Names of 28088809

Cardinal: 28088809 can be written as Twenty-eight million, eighty-eight thousand, eight hundred nine.

Scientific notation

Scientific notation: 2.8088809 × 10⁷

Factors of 28088809

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 15537

Divisors of 28088809

Number of divisors d(n): 12
Complete list of divisors:
1 7 37 49 259 1813 15493 108451 573241 759157 4012687 28088809
Sum of all divisors σ(n): 33560004
Sum of proper divisors (its aliquot sum) s(n): 5471195
28088809 is a deficient number, because the sum of its proper divisors (5471195) is less than itself. Its deficiency is 22617614

Bases of 28088809

Binary: 1101011001001100111101001₂
Hexadecimal: 0x1AC99E9
Base-36: GQ1GP

Squares and roots of 28088809

28088809 squared (28088809²) is 788981191038481
28088809 cubed (28088809³) is 22161541979672404459129
The square root of 28088809 is 5299.8876403185
The cube root of 28088809 is 303.9796017303

Scales and comparisons

How big is 28088809?

28,088,809 seconds is equal to 46 weeks, 3 days, 2 hours, 26 minutes, 49 seconds.
To count from 1 to 28,088,809 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 28088809 cubic inches would be around 25.3 feet tall.

Recreational maths with 28088809

28088809 backwards is 90888082
The number of decimal digits it has is: 8
The sum of 28088809's digits is 43
More coming soon!

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The information we have on file for 28088809 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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