# 399168

## 399,168 is an even composite number composed of four prime numbers multiplied together.

What does the number 399168 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 140 divisors.

399168 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty divisors.

## Prime factorization of 399168:

### 26 × 34 × 7 × 11

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 11)

See below for interesting mathematical facts about the number 399168 from the Numbermatics database.

### Names of 399168

• Cardinal: 399168 can be written as Three hundred ninety-nine thousand, one hundred sixty-eight.

### Scientific notation

• Scientific notation: 3.99168 × 105

### Factors of 399168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 23

### Divisors of 399168

• Number of divisors d(n): 140
• Complete list of divisors:
• Sum of all divisors σ(n): 1475232
• Sum of proper divisors (its aliquot sum) s(n): 1076064
• 399168 is an abundant number, because the sum of its proper divisors (1076064) is greater than itself. Its abundance is 676896

### Bases of 399168

• Binary: 11000010111010000002
• Base-36: 8K00

### Squares and roots of 399168

• 399168 squared (3991682) is 159335092224
• 399168 cubed (3991683) is 63601470092869632
• The square root of 399168 is 631.7974358923
• The cube root of 399168 is 73.6295092759

### Scales and comparisons

How big is 399168?
• 399,168 seconds is equal to 4 days, 14 hours, 52 minutes, 48 seconds.
• To count from 1 to 399,168 would take you about four days.

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 399168 cubic inches would be around 6.1 feet tall.

### Recreational maths with 399168

• 399168 backwards is 861993
• 399168 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 399168's digits is 36
• More coming soon!