28195825

28,195,825 is an odd composite number composed of three prime numbers multiplied together.

What does the number 28195825 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

28195825 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 28195825:

5² × 7² × 23017

(5 × 5 × 7 × 7 × 23017)

See below for interesting mathematical facts about the number 28195825 from the Numbermatics database.

Names of 28195825

Cardinal: 28195825 can be written as Twenty-eight million, one hundred ninety-five thousand, eight hundred twenty-five.

Scientific notation

Scientific notation: 2.8195825 × 10⁷

Factors of 28195825

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 23029

Divisors of 28195825

Number of divisors d(n): 18
Complete list of divisors:
1 5 7 25 35 49 175 245 1225 23017 115085 161119 575425 805595 1127833 4027975 5639165 28195825
Sum of all divisors σ(n): 40672806
Sum of proper divisors (its aliquot sum) s(n): 12476981
28195825 is a deficient number, because the sum of its proper divisors (12476981) is less than itself. Its deficiency is 15718844

Bases of 28195825

Binary: 1101011100011101111110001₂
Hexadecimal: 0x1AE3BF1
Base-36: GSC1D

Squares and roots of 28195825

28195825 squared (28195825²) is 795004547430625
28195825 cubed (28195825³) is 22415809093558102140625
The square root of 28195825 is 5309.9741053983
The cube root of 28195825 is 304.3651580709

Scales and comparisons

How big is 28195825?

28,195,825 seconds is equal to 46 weeks, 4 days, 8 hours, 10 minutes, 25 seconds.
To count from 1 to 28,195,825 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 28195825 cubic inches would be around 25.4 feet tall.

Recreational maths with 28195825

28195825 backwards is 52859182
The number of decimal digits it has is: 8
The sum of 28195825's digits is 40
More coming soon!

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The information we have on file for 28195825 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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