# 21343

## 21,343 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21343 look like?

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

21343 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 21343:

### 7 × 3049

See below for interesting mathematical facts about the number 21343 from the Numbermatics database.

### Names of 21343

• Cardinal: 21343 can be written as Twenty-one thousand, three hundred forty-three.

### Scientific notation

• Scientific notation: 2.1343 × 104

### Factors of 21343

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3056

### Divisors of 21343

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 24400
• Sum of proper divisors (its aliquot sum) s(n): 3057
• 21343 is a deficient number, because the sum of its proper divisors (3057) is less than itself. Its deficiency is 18286

### Bases of 21343

• Binary: 1010011010111112
• Base-36: GGV

### Squares and roots of 21343

• 21343 squared (213432) is 455523649
• 21343 cubed (213433) is 9722241240607
• The square root of 21343 is 146.0924364915
• The cube root of 21343 is 27.7386393989

### Scales and comparisons

How big is 21343?
• 21,343 seconds is equal to 5 hours, 55 minutes, 43 seconds.
• To count from 1 to 21,343 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 21343 cubic inches would be around 2.3 feet tall.

### Recreational maths with 21343

• 21343 backwards is 34312
• The number of decimal digits it has is: 5
• The sum of 21343's digits is 13
• More coming soon!