13621221

13,621,221 is an odd composite number composed of three prime numbers multiplied together.

What does the number 13621221 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

13621221 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 13621221:

3² × 23² × 2861

(3 × 3 × 23 × 23 × 2861)

See below for interesting mathematical facts about the number 13621221 from the Numbermatics database.

Names of 13621221

Cardinal: 13621221 can be written as Thirteen million, six hundred twenty-one thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 1.3621221 × 10⁷

Factors of 13621221

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 2887

Divisors of 13621221

Number of divisors d(n): 18
Complete list of divisors:
1 3 9 23 69 207 529 1587 2861 4761 8583 25749 65803 197409 592227 1513469 4540407 13621221
Sum of all divisors σ(n): 20574918
Sum of proper divisors (its aliquot sum) s(n): 6953697
13621221 is a deficient number, because the sum of its proper divisors (6953697) is less than itself. Its deficiency is 6667524

Bases of 13621221

Binary: 110011111101011111100101₂
Hexadecimal: 0xCFD7E5
Base-36: 83Y79

Squares and roots of 13621221

13621221 squared (13621221²) is 185537661530841
13621221 cubed (13621221³) is 2527249491534783576861
The square root of 13621221 is 3690.6938372073
The cube root of 13621221 is 238.8207253713

Scales and comparisons

How big is 13621221?

13,621,221 seconds is equal to 22 weeks, 3 days, 15 hours, 40 minutes, 21 seconds.
To count from 1 to 13,621,221 would take you about thirty-three weeks!

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 13621221 cubic inches would be around 19.9 feet tall.

Recreational maths with 13621221

13621221 backwards is 12212631
The number of decimal digits it has is: 8
The sum of 13621221's digits is 18
More coming soon!

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The information we have on file for 13621221 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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