813105225

813,105,225 is an odd composite number composed of three prime numbers multiplied together.

What does the number 813105225 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 27 divisors.

813105225 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-seven divisors.

Prime factorization of 813105225:

3² × 5² × 1901²

(3 × 3 × 5 × 5 × 1901 × 1901)

See below for interesting mathematical facts about the number 813105225 from the Numbermatics database.

Names of 813105225

Cardinal: 813105225 can be written as Eight hundred thirteen million, one hundred five thousand, two hundred twenty-five.

Scientific notation

Scientific notation: 8.13105225 × 10⁸

Factors of 813105225

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 1909

Divisors of 813105225

Number of divisors d(n): 27
Complete list of divisors:
1 3 5 9 15 25 45 75 225 1901 5703 9505 17109 28515 47525 85545 142575 427725 3613801 10841403 18069005 32524209 54207015 90345025 162621045 271035075 813105225
Sum of all divisors σ(n): 1457128309
Sum of proper divisors (its aliquot sum) s(n): 644023084
813105225 is a deficient number, because the sum of its proper divisors (644023084) is less than itself. Its deficiency is 169082141

Bases of 813105225

Binary: 110000011101110000000001001001₂
Hexadecimal: 0x30770049
Base-36: DG3O09

Squares and roots of 813105225

813105225 squared (813105225²) is 661140106922300625
813105225 cubed (813105225³) is 537576475395581307208265625
813105225 is a perfect square number. Its square root is 28515
The cube root of 813105225 is 933.3594249367

Scales and comparisons

How big is 813105225?

813,105,225 seconds is equal to 25 years, 44 weeks, 2 days, 22 hours, 33 minutes, 45 seconds.
To count from 1 to 813,105,225 would take you about thirty-eight years!

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 813105225 cubic inches would be around 77.8 feet tall.

Recreational maths with 813105225

813105225 backwards is 522501318
The number of decimal digits it has is: 9
The sum of 813105225's digits is 27
More coming soon!

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The information we have on file for 813105225 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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