728536813

728,536,813 is an odd composite number composed of three prime numbers multiplied together.

What does the number 728536813 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

728536813 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 728536813:

163 × 997 × 4483

See below for interesting mathematical facts about the number 728536813 from the Numbermatics database.

Names of 728536813

Cardinal: 728536813 can be written as Seven hundred twenty-eight million, five hundred thirty-six thousand, eight hundred thirteen.

Scientific notation

Scientific notation: 7.28536813 × 10⁸

Factors of 728536813

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 5643

Divisors of 728536813

Number of divisors d(n): 8
Complete list of divisors:
1 163 997 4483 162511 730729 4469551 728536813
Sum of all divisors σ(n): 733905248
Sum of proper divisors (its aliquot sum) s(n): 5368435
728536813 is a deficient number, because the sum of its proper divisors (5368435) is less than itself. Its deficiency is 723168378

Bases of 728536813

Binary: 101011011011001001011011101101₂
Hexadecimal: 0x2B6C96ED
Base-36: C1R2LP

Squares and roots of 728536813

728536813 squared (728536813²) is 530765887896196969
728536813 cubed (728536813³) is 386682488417010614615519797
The square root of 728536813 is 26991.4211000459
The cube root of 728536813 is 899.8093476815

Scales and comparisons

How big is 728536813?

728,536,813 seconds is equal to 23 years, 8 weeks, 4 days, 3 hours, 20 minutes, 13 seconds.
To count from 1 to 728,536,813 would take you about thirty-four 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 728536813 cubic inches would be around 75 feet tall.

Recreational maths with 728536813

728536813 backwards is 318635827
The number of decimal digits it has is: 9
The sum of 728536813's digits is 43
More coming soon!

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The information we have on file for 728536813 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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