# 399159429

## 399,159,429 is an odd composite number composed of four prime numbers multiplied together.

What does the number 399159429 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

399159429 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 399159429:

### 3 × 19 × 79 × 88643

See below for interesting mathematical facts about the number 399159429 from the Numbermatics database.

### Names of 399159429

• Cardinal: 399159429 can be written as Three hundred ninety-nine million, one hundred fifty-nine thousand, four hundred twenty-nine.

### Scientific notation

• Scientific notation: 3.99159429 × 108

### Factors of 399159429

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 88744

### Divisors of 399159429

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 567321600
• Sum of proper divisors (its aliquot sum) s(n): 168162171
• 399159429 is a deficient number, because the sum of its proper divisors (168162171) is less than itself. Its deficiency is 230997258

### Bases of 399159429

• Binary: 101111100101010110000100001012
• Base-36: 6LNDDX

### Squares and roots of 399159429

• 399159429 squared (3991594292) is 159328249759606041
• 399159429 cubed (3991594293) is 63597373197613734590510589
• The square root of 399159429 is 19978.9746733911
• The cube root of 399159429 is 736.2898227725

### Scales and comparisons

How big is 399159429?
• 399,159,429 seconds is equal to 12 years, 35 weeks, 6 days, 21 hours, 37 minutes, 9 seconds.
• To count from 1 to 399,159,429 would take you about nineteen years!

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 399159429 cubic inches would be around 61.4 feet tall.

### Recreational maths with 399159429

• 399159429 backwards is 924951993
• The number of decimal digits it has is: 9
• The sum of 399159429's digits is 51
• More coming soon!