# 20613

## 20,613 is an odd composite number composed of two prime numbers multiplied together.

What does the number 20613 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

20613 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 20613:

### 3 × 6871

See below for interesting mathematical facts about the number 20613 from the Numbermatics database.

### Names of 20613

• Cardinal: 20613 can be written as Twenty thousand, six hundred thirteen.

### Scientific notation

• Scientific notation: 2.0613 × 104

### Factors of 20613

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 6874

### Divisors of 20613

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 27488
• Sum of proper divisors (its aliquot sum) s(n): 6875
• 20613 is a deficient number, because the sum of its proper divisors (6875) is less than itself. Its deficiency is 13738

### Bases of 20613

• Binary: 1010000100001012
• Base-36: FWL

### Squares and roots of 20613

• 20613 squared (206132) is 424895769
• 20613 cubed (206133) is 8758376486397
• The square root of 20613 is 143.5722814473
• The cube root of 20613 is 27.4187131301

### Scales and comparisons

How big is 20613?
• 20,613 seconds is equal to 5 hours, 43 minutes, 33 seconds.
• To count from 1 to 20,613 would take you about five 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 20613 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20613

• 20613 backwards is 31602
• The number of decimal digits it has is: 5
• The sum of 20613's digits is 12
• More coming soon!