28280889

28,280,889 is an odd composite number composed of four prime numbers multiplied together.

What does the number 28280889 look like?

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

28280889 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 28280889:

3² × 7² × 13 × 4933

(3 × 3 × 7 × 7 × 13 × 4933)

See below for interesting mathematical facts about the number 28280889 from the Numbermatics database.

Names of 28280889

Cardinal: 28280889 can be written as Twenty-eight million, two hundred eighty thousand, eight hundred eighty-nine.

Scientific notation

Scientific notation: 2.8280889 × 10⁷

Factors of 28280889

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 4956

Divisors of 28280889

Number of divisors d(n): 36
Complete list of divisors:
1 3 7 9 13 21 39 49 63 91 117 147 273 441 637 819 1911 4933 5733 14799 34531 44397 64129 103593 192387 241717 310779 448903 577161 725151 1346709 2175453 3142321 4040127 9426963 28280889
Sum of all divisors σ(n): 51185316
Sum of proper divisors (its aliquot sum) s(n): 22904427
28280889 is a deficient number, because the sum of its proper divisors (22904427) is less than itself. Its deficiency is 5376462

Bases of 28280889

Binary: 1101011111000100000111001₂
Hexadecimal: 0x1AF8839
Base-36: GU5O9

Squares and roots of 28280889

28280889 squared (28280889²) is 799808682630321
28280889 cubed (28280889³) is 22619300574704336235369
The square root of 28280889 is 5317.9779051817
The cube root of 28280889 is 304.6709305861

Scales and comparisons

How big is 28280889?

28,280,889 seconds is equal to 46 weeks, 5 days, 7 hours, 48 minutes, 9 seconds.
To count from 1 to 28,280,889 would take you about eighteen 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 28280889 cubic inches would be around 25.4 feet tall.

Recreational maths with 28280889

28280889 backwards is 98808282
The number of decimal digits it has is: 8
The sum of 28280889's digits is 45
More coming soon!

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The information we have on file for 28280889 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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