28875

28,875 is an odd composite number composed of four prime numbers multiplied together.

What does the number 28875 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

28875 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 28875:

3 × 5³ × 7 × 11

(3 × 5 × 5 × 5 × 7 × 11)

See below for interesting mathematical facts about the number 28875 from the Numbermatics database.

Names of 28875

Cardinal: 28875 can be written as Twenty-eight thousand, eight hundred seventy-five.

Scientific notation

Scientific notation: 2.8875 × 10⁴

Factors of 28875

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 26

Divisors of 28875

Number of divisors d(n): 32
Complete list of divisors:
1 3 5 7 11 15 21 25 33 35 55 75 77 105 125 165 175 231 275 375 385 525 825 875 1155 1375 1925 2625 4125 5775 9625 28875
Sum of all divisors σ(n): 59904
Sum of proper divisors (its aliquot sum) s(n): 31029
28875 is an abundant number, because the sum of its proper divisors (31029) is greater than itself. Its abundance is 2154

Bases of 28875

Binary: 111000011001011₂
Hexadecimal: 0x70CB
Base-36: MA3

Squares and roots of 28875

28875 squared (28875²) is 833765625
28875 cubed (28875³) is 24074982421875
The square root of 28875 is 169.9264546797
The cube root of 28875 is 30.6789621983

Scales and comparisons

How big is 28875?

28,875 seconds is equal to 8 hours, 1 minute, 15 seconds.
To count from 1 to 28,875 would take you about eight hours.

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 28875 cubic inches would be around 2.6 feet tall.

Recreational maths with 28875

28875 backwards is 57882
The number of decimal digits it has is: 5
The sum of 28875's digits is 30
More coming soon!

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The information we have on file for 28875 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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