728841

728,841 is an odd composite number composed of four prime numbers multiplied together.

What does the number 728841 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

728841 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 728841:

3 × 17 × 31 × 461

See below for interesting mathematical facts about the number 728841 from the Numbermatics database.

Names of 728841

Cardinal: 728841 can be written as Seven hundred twenty-eight thousand, eight hundred forty-one.

Scientific notation

Scientific notation: 7.28841 × 10⁵

Factors of 728841

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 512

Divisors of 728841

Number of divisors d(n): 16
Complete list of divisors:
1 3 17 31 51 93 461 527 1383 1581 7837 14291 23511 42873 242947 728841
Sum of all divisors σ(n): 1064448
Sum of proper divisors (its aliquot sum) s(n): 335607
728841 is a deficient number, because the sum of its proper divisors (335607) is less than itself. Its deficiency is 393234

Bases of 728841

Binary: 10110001111100001001₂
Hexadecimal: 0xB1F09
Base-36: FMDL

Squares and roots of 728841

728841 squared (728841²) is 531209203281
728841 cubed (728841³) is 387167046928527321
The square root of 728841 is 853.7218516589
The cube root of 728841 is 89.9934563143

Scales and comparisons

How big is 728841?

728,841 seconds is equal to 1 week, 1 day, 10 hours, 27 minutes, 21 seconds.
To count from 1 to 728,841 would take you about ten 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 728841 cubic inches would be around 7.5 feet tall.

Recreational maths with 728841

728841 backwards is 148827
The number of decimal digits it has is: 6
The sum of 728841's digits is 30
More coming soon!

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The information we have on file for 728841 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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