# 166420

## 166,420 is an even composite number composed of four prime numbers multiplied together.

What does the number 166420 look like?

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

166420 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 166420:

### 22 × 5 × 53 × 157

(2 × 2 × 5 × 53 × 157)

See below for interesting mathematical facts about the number 166420 from the Numbermatics database.

### Names of 166420

• Cardinal: 166420 can be written as One hundred sixty-six thousand, four hundred twenty.

### Scientific notation

• Scientific notation: 1.6642 × 105

### Factors of 166420

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 217

### Divisors of 166420

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 358344
• Sum of proper divisors (its aliquot sum) s(n): 191924
• 166420 is an abundant number, because the sum of its proper divisors (191924) is greater than itself. Its abundance is 25504

### Bases of 166420

• Binary: 1010001010000101002
• Base-36: 3KES

### Squares and roots of 166420

• 166420 squared (1664202) is 27695616400
• 166420 cubed (1664203) is 4609104481288000
• The square root of 166420 is 407.9460748677
• The cube root of 166420 is 55.0049582307

### Scales and comparisons

How big is 166420?
• 166,420 seconds is equal to 1 day, 22 hours, 13 minutes, 40 seconds.
• To count from 1 to 166,420 would take you about twenty-two 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 166420 cubic inches would be around 4.6 feet tall.

### Recreational maths with 166420

• 166420 backwards is 024661
• The number of decimal digits it has is: 6
• The sum of 166420's digits is 19
• More coming soon!