28807825

28,807,825 is an odd composite number composed of two prime numbers multiplied together.

What does the number 28807825 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

28807825 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 28807825:

5² × 1152313

(5 × 5 × 1152313)

See below for interesting mathematical facts about the number 28807825 from the Numbermatics database.

Names of 28807825

Cardinal: 28807825 can be written as Twenty-eight million, eight hundred seven thousand, eight hundred twenty-five.

Scientific notation

Scientific notation: 2.8807825 × 10⁷

Factors of 28807825

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 1152318

Divisors of 28807825

Number of divisors d(n): 6
Complete list of divisors:
1 5 25 1152313 5761565 28807825
Sum of all divisors σ(n): 35721734
Sum of proper divisors (its aliquot sum) s(n): 6913909
28807825 is a deficient number, because the sum of its proper divisors (6913909) is less than itself. Its deficiency is 21893916

Bases of 28807825

Binary: 1101101111001001010010001₂
Hexadecimal: 0x1B79291
Base-36: H5G9D

Squares and roots of 28807825

28807825 squared (28807825²) is 829890781230625
28807825 cubed (28807825³) is 23907348394805129640625
The square root of 28807825 is 5367.2921478157
The cube root of 28807825 is 306.5515314219

Scales and comparisons

How big is 28807825?

28,807,825 seconds is equal to 47 weeks, 4 days, 10 hours, 10 minutes, 25 seconds.
To count from 1 to 28,807,825 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 28807825 cubic inches would be around 25.5 feet tall.

Recreational maths with 28807825

28807825 backwards is 52870882
The number of decimal digits it has is: 8
The sum of 28807825's digits is 40
More coming soon!

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The information we have on file for 28807825 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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