# 1389928896

## 1,389,928,896 is an even composite number composed of three prime numbers multiplied together.

What does the number 1389928896 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 196 divisors.

1389928896 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of one hundred ninety-six divisors.

## Prime factorization of 1389928896:

### 26 × 36 × 313

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 31 × 31 × 31)

See below for interesting mathematical facts about the number 1389928896 from the Numbermatics database.

### Names of 1389928896

• Cardinal: 1389928896 can be written as One billion, three hundred eighty-nine million, nine hundred twenty-eight thousand, eight hundred ninety-six.

### Scientific notation

• Scientific notation: 1.389928896 × 109

### Factors of 1389928896

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 36

### Divisors of 1389928896

• Number of divisors d(n): 196
• Complete list of divisors:
• Sum of all divisors σ(n): 4273157824
• Sum of proper divisors (its aliquot sum) s(n): 2883228928
• 1389928896 is an abundant number, because the sum of its proper divisors (2883228928) is greater than itself. Its abundance is 1493300032

### Bases of 1389928896

• Binary: 10100101101100010100001110000002
• Base-36: MZJ000

### Squares and roots of 1389928896

• 1389928896 squared (13899288962) is 1931902335935778816
• 1389928896 cubed (13899288963) is 2685206880967038176623067136
• The square root of 1389928896 is 37281.7501735099
• 1389928896 is a perfect cube number. Its cube root is 1116

### Scales and comparisons

How big is 1389928896?
• 1,389,928,896 seconds is equal to 44 years, 10 weeks, 1 day, 3 hours, 21 minutes, 36 seconds.
• To count from 1 to 1,389,928,896 would take you about eighty-eight 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 1389928896 cubic inches would be around 93 feet tall.

### Recreational maths with 1389928896

• 1389928896 backwards is 6988299831
• The number of decimal digits it has is: 10
• The sum of 1389928896's digits is 63
• More coming soon!