243855

243,855 is an odd composite number composed of three prime numbers multiplied together.

What does the number 243855 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

243855 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 243855:

3² × 5 × 5419

(3 × 3 × 5 × 5419)

See below for interesting mathematical facts about the number 243855 from the Numbermatics database.

Names of 243855

Cardinal: 243855 can be written as Two hundred forty-three thousand, eight hundred fifty-five.

Scientific notation

Scientific notation: 2.43855 × 10⁵

Factors of 243855

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 5427

Divisors of 243855

Number of divisors d(n): 12
Complete list of divisors:
1 3 5 9 15 45 5419 16257 27095 48771 81285 243855
Sum of all divisors σ(n): 422760
Sum of proper divisors (its aliquot sum) s(n): 178905
243855 is a deficient number, because the sum of its proper divisors (178905) is less than itself. Its deficiency is 64950

Bases of 243855

Binary: 111011100010001111₂
Hexadecimal: 0x3B88F
Base-36: 585R

Squares and roots of 243855

243855 squared (243855²) is 59465261025
243855 cubed (243855³) is 14500901227251375
The square root of 243855 is 493.8167676375
The cube root of 243855 is 62.4756171555

Scales and comparisons

How big is 243855?

243,855 seconds is equal to 2 days, 19 hours, 44 minutes, 15 seconds.
To count from 1 to 243,855 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 243855 cubic inches would be around 5.2 feet tall.

Recreational maths with 243855

243855 backwards is 558342
The number of decimal digits it has is: 6
The sum of 243855's digits is 27
More coming soon!

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The information we have on file for 243855 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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