# 61380

## 61,380 is an even composite number composed of five prime numbers multiplied together.

What does the number 61380 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 72 divisors.

61380 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.

## Prime factorization of 61380:

### 22 × 32 × 5 × 11 × 31

(2 × 2 × 3 × 3 × 5 × 11 × 31)

See below for interesting mathematical facts about the number 61380 from the Numbermatics database.

### Names of 61380

• Cardinal: 61380 can be written as Sixty-one thousand, three hundred eighty.

### Scientific notation

• Scientific notation: 6.138 × 104

### Factors of 61380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 52

### Divisors of 61380

• Number of divisors d(n): 72
• Complete list of divisors:
• Sum of all divisors σ(n): 209664
• Sum of proper divisors (its aliquot sum) s(n): 148284
• 61380 is an abundant number, because the sum of its proper divisors (148284) is greater than itself. Its abundance is 86904

### Bases of 61380

• Binary: 11101111110001002
• Base-36: 1BD0

### Squares and roots of 61380

• 61380 squared (613802) is 3767504400
• 61380 cubed (613803) is 231249420072000
• The square root of 61380 is 247.7498738647
• The cube root of 61380 is 39.4465441511

### Scales and comparisons

How big is 61380?
• 61,380 seconds is equal to 17 hours, 3 minutes.
• To count from 1 to 61,380 would take you about seventeen 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 61380 cubic inches would be around 3.3 feet tall.

### Recreational maths with 61380

• 61380 backwards is 08316
• 61380 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 61380's digits is 18
• More coming soon!