218920

218,920 is an even composite number composed of four prime numbers multiplied together.

What does the number 218920 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

218920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 218920:

2³ × 5 × 13 × 421

(2 × 2 × 2 × 5 × 13 × 421)

See below for interesting mathematical facts about the number 218920 from the Numbermatics database.

Names of 218920

Cardinal: 218920 can be written as Two hundred eighteen thousand, nine hundred twenty.

Scientific notation

Scientific notation: 2.1892 × 10⁵

Factors of 218920

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 441

Divisors of 218920

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 421 520 842 1684 2105 3368 4210 5473 8420 10946 16840 21892 27365 43784 54730 109460 218920
Sum of all divisors σ(n): 531720
Sum of proper divisors (its aliquot sum) s(n): 312800
218920 is an abundant number, because the sum of its proper divisors (312800) is greater than itself. Its abundance is 93880

Bases of 218920

Binary: 110101011100101000₂
Hexadecimal: 0x35728
Base-36: 4OX4

Squares and roots of 218920

218920 squared (218920²) is 47925966400
218920 cubed (218920³) is 10491952564288000
The square root of 218920 is 467.8888756959
The cube root of 218920 is 60.2691611031

Scales and comparisons

How big is 218920?

218,920 seconds is equal to 2 days, 12 hours, 48 minutes, 40 seconds.
To count from 1 to 218,920 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 218920 cubic inches would be around 5 feet tall.

Recreational maths with 218920

218920 backwards is 029812
The number of decimal digits it has is: 6
The sum of 218920's digits is 22
More coming soon!

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The information we have on file for 218920 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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