13420

13,420 is an even composite number composed of four prime numbers multiplied together.

What does the number 13420 look like?

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

13420 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 13420:

22 × 5 × 11 × 61

(2 × 2 × 5 × 11 × 61)

See below for interesting mathematical facts about the number 13420 from the Numbermatics database.

Names of 13420

• Cardinal: 13420 can be written as Thirteen thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.342 × 104

Factors of 13420

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 79

Divisors of 13420

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 31248
• Sum of proper divisors (its aliquot sum) s(n): 17828
• 13420 is an abundant number, because the sum of its proper divisors (17828) is greater than itself. Its abundance is 4408

Bases of 13420

• Binary: 110100011011002
• Base-36: ACS

Squares and roots of 13420

• 13420 squared (134202) is 180096400
• 13420 cubed (134203) is 2416893688000
• The square root of 13420 is 115.8447236605
• The cube root of 13420 is 23.7638884603

Scales and comparisons

How big is 13420?
• 13,420 seconds is equal to 3 hours, 43 minutes, 40 seconds.
• To count from 1 to 13,420 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 13420 cubic inches would be around 2 feet tall.

Recreational maths with 13420

• 13420 backwards is 02431
• 13420 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 13420's digits is 10
• More coming soon!