13638140

13,638,140 is an even composite number composed of four prime numbers multiplied together.

What does the number 13638140 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

13638140 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 13638140:

2² × 5 × 31 × 21997

(2 × 2 × 5 × 31 × 21997)

See below for interesting mathematical facts about the number 13638140 from the Numbermatics database.

Names of 13638140

Cardinal: 13638140 can be written as Thirteen million, six hundred thirty-eight thousand, one hundred forty.

Scientific notation

Scientific notation: 1.363814 × 10⁷

Factors of 13638140

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 22035

Divisors of 13638140

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 10 20 31 62 124 155 310 620 21997 43994 87988 109985 219970 439940 681907 1363814 2727628 3409535 6819070 13638140
Sum of all divisors σ(n): 29565312
Sum of proper divisors (its aliquot sum) s(n): 15927172
13638140 is an abundant number, because the sum of its proper divisors (15927172) is greater than itself. Its abundance is 2289032

Bases of 13638140

Binary: 110100000001100111111100₂
Hexadecimal: 0xD019FC
Base-36: 84B98

Squares and roots of 13638140

13638140 squared (13638140²) is 185998862659600
13638140 cubed (13638140³) is 2536678528792397144000
The square root of 13638140 is 3692.9852423209
The cube root of 13638140 is 238.9195646765

Scales and comparisons

How big is 13638140?

13,638,140 seconds is equal to 22 weeks, 3 days, 20 hours, 22 minutes, 20 seconds.
To count from 1 to 13,638,140 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 13638140 cubic inches would be around 19.9 feet tall.

Recreational maths with 13638140

13638140 backwards is 04183631
The number of decimal digits it has is: 8
The sum of 13638140's digits is 26
More coming soon!

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The information we have on file for 13638140 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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