# 61388

## 61,388 is an even composite number composed of three prime numbers multiplied together.

What does the number 61388 look like?

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

61388 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 61388:

### 22 × 103 × 149

(2 × 2 × 103 × 149)

See below for interesting mathematical facts about the number 61388 from the Numbermatics database.

### Names of 61388

• Cardinal: 61388 can be written as Sixty-one thousand, three hundred eighty-eight.

### Scientific notation

• Scientific notation: 6.1388 × 104

### Factors of 61388

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 254

### Divisors of 61388

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 109200
• Sum of proper divisors (its aliquot sum) s(n): 47812
• 61388 is a deficient number, because the sum of its proper divisors (47812) is less than itself. Its deficiency is 13576

### Bases of 61388

• Binary: 11101111110011002
• Base-36: 1BD8

### Squares and roots of 61388

• 61388 squared (613882) is 3768486544
• 61388 cubed (613883) is 231339851963072
• The square root of 61388 is 247.7660186547
• The cube root of 61388 is 39.4482578399

### Scales and comparisons

How big is 61388?
• 61,388 seconds is equal to 17 hours, 3 minutes, 8 seconds.
• To count from 1 to 61,388 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 61388 cubic inches would be around 3.3 feet tall.

### Recreational maths with 61388

• 61388 backwards is 88316
• The number of decimal digits it has is: 5
• The sum of 61388's digits is 26
• More coming soon!