813345

813,345 is an odd composite number composed of five prime numbers multiplied together.

What does the number 813345 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

813345 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 813345:

3 × 5 × 13 × 43 × 97

See below for interesting mathematical facts about the number 813345 from the Numbermatics database.

Names of 813345

Cardinal: 813345 can be written as Eight hundred thirteen thousand, three hundred forty-five.

Scientific notation

Scientific notation: 8.13345 × 10⁵

Factors of 813345

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 161

Divisors of 813345

Number of divisors d(n): 32
Complete list of divisors:
1 3 5 13 15 39 43 65 97 129 195 215 291 485 559 645 1261 1455 1677 2795 3783 4171 6305 8385 12513 18915 20855 54223 62565 162669 271115 813345
Sum of all divisors σ(n): 1448832
Sum of proper divisors (its aliquot sum) s(n): 635487
813345 is a deficient number, because the sum of its proper divisors (635487) is less than itself. Its deficiency is 177858

Bases of 813345

Binary: 11000110100100100001₂
Hexadecimal: 0xC6921
Base-36: HFKX

Squares and roots of 813345

813345 squared (813345²) is 661530089025
813345 cubed (813345³) is 538052190258038625
The square root of 813345 is 901.8564187275
The cube root of 813345 is 93.3451161429

Scales and comparisons

How big is 813345?

813,345 seconds is equal to 1 week, 2 days, 9 hours, 55 minutes, 45 seconds.
To count from 1 to 813,345 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 813345 cubic inches would be around 7.8 feet tall.

Recreational maths with 813345

813345 backwards is 543318
The number of decimal digits it has is: 6
The sum of 813345's digits is 24
More coming soon!

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The information we have on file for 813345 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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