# 168400

## 168,400 is an even composite number composed of three prime numbers multiplied together.

What does the number 168400 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 30 divisors.

168400 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty divisors.

## Prime factorization of 168400:

### 24 × 52 × 421

(2 × 2 × 2 × 2 × 5 × 5 × 421)

See below for interesting mathematical facts about the number 168400 from the Numbermatics database.

### Names of 168400

• Cardinal: 168400 can be written as One hundred sixty-eight thousand, four hundred.

### Scientific notation

• Scientific notation: 1.684 × 105

### Factors of 168400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 428

### Divisors of 168400

• Number of divisors d(n): 30
• Complete list of divisors:
• Sum of all divisors σ(n): 405542
• Sum of proper divisors (its aliquot sum) s(n): 237142
• 168400 is an abundant number, because the sum of its proper divisors (237142) is greater than itself. Its abundance is 68742

### Bases of 168400

• Binary: 1010010001110100002
• Base-36: 3LXS

### Squares and roots of 168400

• 168400 squared (1684002) is 28358560000
• 168400 cubed (1684003) is 4775581504000000
• The square root of 168400 is 410.3656905735
• The cube root of 168400 is 55.2222412649

### Scales and comparisons

How big is 168400?
• 168,400 seconds is equal to 1 day, 22 hours, 46 minutes, 40 seconds.
• To count from 1 to 168,400 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 168400 cubic inches would be around 4.6 feet tall.

### Recreational maths with 168400

• 168400 backwards is 004861
• The number of decimal digits it has is: 6
• The sum of 168400's digits is 19
• More coming soon!