# 5421

## 5,421 is an odd composite number composed of three prime numbers multiplied together.

What does the number 5421 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

5421 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 5421:

### 3 × 13 × 139

See below for interesting mathematical facts about the number 5421 from the Numbermatics database.

### Names of 5421

• Cardinal: 5421 can be written as Five thousand, four hundred twenty-one.

### Scientific notation

• Scientific notation: 5.421 × 103

### Factors of 5421

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 155

### Divisors of 5421

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 7840
• Sum of proper divisors (its aliquot sum) s(n): 2419
• 5421 is a deficient number, because the sum of its proper divisors (2419) is less than itself. Its deficiency is 3002

### Bases of 5421

• Binary: 10101001011012
• Base-36: 46L

### Squares and roots of 5421

• 5421 squared (54212) is 29387241
• 5421 cubed (54213) is 159308233461
• The square root of 5421 is 73.6274405368
• The cube root of 5421 is 17.5668193721

### Scales and comparisons

How big is 5421?
• 5,421 seconds is equal to 1 hour, 30 minutes, 21 seconds.
• To count from 1 to 5,421 would take you about thirty minutes.

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 5421 cubic inches would be around 1.5 feet tall.

### Recreational maths with 5421

• 5421 backwards is 1245
• The number of decimal digits it has is: 4
• The sum of 5421's digits is 12
• More coming soon!