213561

213,561 is an odd composite number composed of three prime numbers multiplied together.

What does the number 213561 look like?

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

213561 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 213561:

3² × 61 × 389

(3 × 3 × 61 × 389)

See below for interesting mathematical facts about the number 213561 from the Numbermatics database.

Names of 213561

Cardinal: 213561 can be written as Two hundred thirteen thousand, five hundred sixty-one.

Scientific notation

Scientific notation: 2.13561 × 10⁵

Factors of 213561

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 453

Divisors of 213561

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 61 183 389 549 1167 3501 23729 71187 213561
Sum of all divisors σ(n): 314340
Sum of proper divisors (its aliquot sum) s(n): 100779
213561 is a deficient number, because the sum of its proper divisors (100779) is less than itself. Its deficiency is 112782

Bases of 213561

Binary: 110100001000111001₂
Hexadecimal: 0x34239
Base-36: 4KS9

Squares and roots of 213561

213561 squared (213561²) is 45608300721
213561 cubed (213561³) is 9740154310277481
The square root of 213561 is 462.1266060291
The cube root of 213561 is 59.7733112823

Scales and comparisons

How big is 213561?

213,561 seconds is equal to 2 days, 11 hours, 19 minutes, 21 seconds.
To count from 1 to 213,561 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 213561 cubic inches would be around 5 feet tall.

Recreational maths with 213561

213561 backwards is 165312
The number of decimal digits it has is: 6
The sum of 213561's digits is 18
More coming soon!

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The information we have on file for 213561 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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