813993

813,993 is an odd composite number composed of four prime numbers multiplied together.

What does the number 813993 look like?

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

813993 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 813993:

3 × 23 × 47 × 251

See below for interesting mathematical facts about the number 813993 from the Numbermatics database.

Names of 813993

Cardinal: 813993 can be written as Eight hundred thirteen thousand, nine hundred ninety-three.

Scientific notation

Scientific notation: 8.13993 × 10⁵

Factors of 813993

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 324

Divisors of 813993

Number of divisors d(n): 16
Complete list of divisors:
1 3 23 47 69 141 251 753 1081 3243 5773 11797 17319 35391 271331 813993
Sum of all divisors σ(n): 1161216
Sum of proper divisors (its aliquot sum) s(n): 347223
813993 is a deficient number, because the sum of its proper divisors (347223) is less than itself. Its deficiency is 466770

Bases of 813993

Binary: 11000110101110101001₂
Hexadecimal: 0xC6BA9
Base-36: HG2X

Squares and roots of 813993

813993 squared (813993²) is 662584604049
813993 cubed (813993³) is 539339229603657657
The square root of 813993 is 902.2156061607
The cube root of 813993 is 93.3698992211

Scales and comparisons

How big is 813993?

813,993 seconds is equal to 1 week, 2 days, 10 hours, 6 minutes, 33 seconds.
To count from 1 to 813,993 would take you about two days!

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 813993 cubic inches would be around 7.8 feet tall.

Recreational maths with 813993

813993 backwards is 399318
The number of decimal digits it has is: 6
The sum of 813993's digits is 33
More coming soon!

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The information we have on file for 813993 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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