13778

13,778 is an even composite number composed of two prime numbers multiplied together.

What does the number 13778 look like?

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

13778 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 13778:

2 × 83²

(2 × 83 × 83)

See below for interesting mathematical facts about the number 13778 from the Numbermatics database.

Names of 13778

Cardinal: 13778 can be written as Thirteen thousand, seven hundred seventy-eight.

Scientific notation

Scientific notation: 1.3778 × 10⁴

Factors of 13778

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 85

Divisors of 13778

Number of divisors d(n): 6
Complete list of divisors:
1 2 83 166 6889 13778
Sum of all divisors σ(n): 20919
Sum of proper divisors (its aliquot sum) s(n): 7141
13778 is a deficient number, because the sum of its proper divisors (7141) is less than itself. Its deficiency is 6637

Bases of 13778

Binary: 11010111010010₂
Hexadecimal: 0x35D2
Base-36: AMQ

Squares and roots of 13778

13778 squared (13778²) is 189833284
13778 cubed (13778³) is 2615522986952
The square root of 13778 is 117.3797256769
The cube root of 13778 is 23.9733500483

Scales and comparisons

How big is 13778?

13,778 seconds is equal to 3 hours, 49 minutes, 38 seconds.
To count from 1 to 13,778 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 13778 cubic inches would be around 2 feet tall.

Recreational maths with 13778

13778 backwards is 87731
The number of decimal digits it has is: 5
The sum of 13778's digits is 26
More coming soon!

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The information we have on file for 13778 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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