13780

13,780 is an even composite number composed of four prime numbers multiplied together.

What does the number 13780 look like?

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

13780 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 13780:

2² × 5 × 13 × 53

(2 × 2 × 5 × 13 × 53)

See below for interesting mathematical facts about the number 13780 from the Numbermatics database.

Names of 13780

Cardinal: 13780 can be written as Thirteen thousand, seven hundred eighty.

Scientific notation

Scientific notation: 1.378 × 10⁴

Factors of 13780

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 73

Divisors of 13780

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 10 13 20 26 52 53 65 106 130 212 260 265 530 689 1060 1378 2756 3445 6890 13780
Sum of all divisors σ(n): 31752
Sum of proper divisors (its aliquot sum) s(n): 17972
13780 is an abundant number, because the sum of its proper divisors (17972) is greater than itself. Its abundance is 4192

Bases of 13780

Binary: 11010111010100₂
Hexadecimal: 0x35D4
Base-36: AMS

Squares and roots of 13780

13780 squared (13780²) is 189888400
13780 cubed (13780³) is 2616662152000
The square root of 13780 is 117.3882447267
The cube root of 13780 is 23.9745099741

Scales and comparisons

How big is 13780?

13,780 seconds is equal to 3 hours, 49 minutes, 40 seconds.
To count from 1 to 13,780 would take you about three hours.

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 13780 cubic inches would be around 2 feet tall.

Recreational maths with 13780

13780 backwards is 08731
The number of decimal digits it has is: 5
The sum of 13780's digits is 19
More coming soon!

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The information we have on file for 13780 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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