# 47421

## 47,421 is an odd composite number composed of three prime numbers multiplied together.

What does the number 47421 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

47421 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 47421:

### 32 × 11 × 479

(3 × 3 × 11 × 479)

See below for interesting mathematical facts about the number 47421 from the Numbermatics database.

### Names of 47421

• Cardinal: 47421 can be written as Forty-seven thousand, four hundred twenty-one.

### Scientific notation

• Scientific notation: 4.7421 × 104

### Factors of 47421

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 493

### Divisors of 47421

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 74880
• Sum of proper divisors (its aliquot sum) s(n): 27459
• 47421 is a deficient number, because the sum of its proper divisors (27459) is less than itself. Its deficiency is 19962

### Bases of 47421

• Binary: 10111001001111012
• Base-36: 10L9

### Squares and roots of 47421

• 47421 squared (474212) is 2248751241
• 47421 cubed (474213) is 106638032599461
• The square root of 47421 is 217.7636333275
• The cube root of 47421 is 36.1956935549

### Scales and comparisons

How big is 47421?
• 47,421 seconds is equal to 13 hours, 10 minutes, 21 seconds.
• To count from 1 to 47,421 would take you about thirteen 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 47421 cubic inches would be around 3 feet tall.

### Recreational maths with 47421

• 47421 backwards is 12474
• The number of decimal digits it has is: 5
• The sum of 47421's digits is 18
• More coming soon!