13721240

13,721,240 is an even composite number composed of four prime numbers multiplied together.

What does the number 13721240 look like?

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

13721240 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 13721240:

2³ × 5 × 13 × 26387

(2 × 2 × 2 × 5 × 13 × 26387)

See below for interesting mathematical facts about the number 13721240 from the Numbermatics database.

Names of 13721240

Cardinal: 13721240 can be written as Thirteen million, seven hundred twenty-one thousand, two hundred forty.

Scientific notation

Scientific notation: 1.372124 × 10⁷

Factors of 13721240

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 26407

Divisors of 13721240

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 26387 52774 105548 131935 211096 263870 343031 527740 686062 1055480 1372124 1715155 2744248 3430310 6860620 13721240
Sum of all divisors σ(n): 33248880
Sum of proper divisors (its aliquot sum) s(n): 19527640
13721240 is an abundant number, because the sum of its proper divisors (19527640) is greater than itself. Its abundance is 5806400

Bases of 13721240

Binary: 110100010101111010011000₂
Hexadecimal: 0xD15E98
Base-36: 863DK

Squares and roots of 13721240

13721240 squared (13721240²) is 188272427137600
13721240 cubed (13721240³) is 2583331158137522624000
The square root of 13721240 is 3704.2192159753
The cube root of 13721240 is 239.4038444607

Scales and comparisons

How big is 13721240?

13,721,240 seconds is equal to 22 weeks, 4 days, 19 hours, 27 minutes, 20 seconds.
To count from 1 to 13,721,240 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 13721240 cubic inches would be around 20 feet tall.

Recreational maths with 13721240

13721240 backwards is 04212731
13721240 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 13721240's digits is 20
More coming soon!

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The information we have on file for 13721240 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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