# 71220

## 71,220 is an even composite number composed of four prime numbers multiplied together.

What does the number 71220 look like?

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

71220 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 71220:

### 22 × 3 × 5 × 1187

(2 × 2 × 3 × 5 × 1187)

See below for interesting mathematical facts about the number 71220 from the Numbermatics database.

### Names of 71220

• Cardinal: 71220 can be written as Seventy-one thousand, two hundred twenty.

### Scientific notation

• Scientific notation: 7.122 × 104

### Factors of 71220

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1197

### Divisors of 71220

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 199584
• Sum of proper divisors (its aliquot sum) s(n): 128364
• 71220 is an abundant number, because the sum of its proper divisors (128364) is greater than itself. Its abundance is 57144

### Bases of 71220

• Binary: 100010110001101002
• Base-36: 1IYC

### Squares and roots of 71220

• 71220 squared (712202) is 5072288400
• 71220 cubed (712203) is 361248379848000
• The square root of 71220 is 266.8707552355
• The cube root of 71220 is 41.4509024051

### Scales and comparisons

How big is 71220?
• 71,220 seconds is equal to 19 hours, 47 minutes.
• To count from 1 to 71,220 would take you about nineteen 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 71220 cubic inches would be around 3.5 feet tall.

### Recreational maths with 71220

• 71220 backwards is 02217
• 71220 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 71220's digits is 12
• More coming soon!