13721121

13,721,121 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13721121 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

13721121 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 13721121:

3² × 1524569

(3 × 3 × 1524569)

See below for interesting mathematical facts about the number 13721121 from the Numbermatics database.

Names of 13721121

Cardinal: 13721121 can be written as Thirteen million, seven hundred twenty-one thousand, one hundred twenty-one.

Scientific notation

Scientific notation: 1.3721121 × 10⁷

Factors of 13721121

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 1524572

Divisors of 13721121

Number of divisors d(n): 6
Complete list of divisors:
1 3 9 1524569 4573707 13721121
Sum of all divisors σ(n): 19819410
Sum of proper divisors (its aliquot sum) s(n): 6098289
13721121 is a deficient number, because the sum of its proper divisors (6098289) is less than itself. Its deficiency is 7622832

Bases of 13721121

Binary: 110100010101111000100001₂
Hexadecimal: 0xD15E21
Base-36: 863A9

Squares and roots of 13721121

13721121 squared (13721121²) is 188269161496641
13721121 cubed (13721121³) is 2583263945463952254561
The square root of 13721121 is 3704.2031531761
The cube root of 13721121 is 239.4031523675

Scales and comparisons

How big is 13721121?

13,721,121 seconds is equal to 22 weeks, 4 days, 19 hours, 25 minutes, 21 seconds.
To count from 1 to 13,721,121 would take you about thirty-four 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 13721121 cubic inches would be around 20 feet tall.

Recreational maths with 13721121

13721121 backwards is 12112731
The number of decimal digits it has is: 8
The sum of 13721121's digits is 18
More coming soon!

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The information we have on file for 13721121 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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