813800

813,800 is an even composite number composed of four prime numbers multiplied together.

What does the number 813800 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

813800 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 813800:

2³ × 5² × 13 × 313

(2 × 2 × 2 × 5 × 5 × 13 × 313)

See below for interesting mathematical facts about the number 813800 from the Numbermatics database.

Names of 813800

Cardinal: 813800 can be written as Eight hundred thirteen thousand, eight hundred.

Scientific notation

Scientific notation: 8.138 × 10⁵

Factors of 813800

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 333

Divisors of 813800

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 200 260 313 325 520 626 650 1252 1300 1565 2504 2600 3130 4069 6260 7825 8138 12520 15650 16276 20345 31300 32552 40690 62600 81380 101725 162760 203450 406900 813800
Sum of all divisors σ(n): 2044140
Sum of proper divisors (its aliquot sum) s(n): 1230340
813800 is an abundant number, because the sum of its proper divisors (1230340) is greater than itself. Its abundance is 416540

Bases of 813800

Binary: 11000110101011101000₂
Hexadecimal: 0xC6AE8
Base-36: HFXK

Squares and roots of 813800

813800 squared (813800²) is 662270440000
813800 cubed (813800³) is 538955684072000000
The square root of 813800 is 902.1086409075
The cube root of 813800 is 93.3625192171

Scales and comparisons

How big is 813800?

813,800 seconds is equal to 1 week, 2 days, 10 hours, 3 minutes, 20 seconds.
To count from 1 to 813,800 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 813800 cubic inches would be around 7.8 feet tall.

Recreational maths with 813800

813800 backwards is 008318
813800 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 813800's digits is 20
More coming soon!

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The information we have on file for 813800 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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