# 3946442640

## 3,946,442,640 is an even composite number composed of six prime numbers multiplied together.

What does the number 3946442640 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 160 divisors.

3946442640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.

## Prime factorization of 3946442640:

### 24 × 3 × 5 × 7 × 1187 × 1979

(2 × 2 × 2 × 2 × 3 × 5 × 7 × 1187 × 1979)

See below for interesting mathematical facts about the number 3946442640 from the Numbermatics database.

### Names of 3946442640

• Cardinal: 3946442640 can be written as Three billion, nine hundred forty-six million, four hundred forty-two thousand, six hundred forty.

### Scientific notation

• Scientific notation: 3.94644264 × 109

### Factors of 3946442640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3183

### Divisors of 3946442640

• Number of divisors d(n): 160
• Complete list of divisors:
• Sum of all divisors σ(n): 14000532480
• Sum of proper divisors (its aliquot sum) s(n): 10054089840
• 3946442640 is an abundant number, because the sum of its proper divisors (10054089840) is greater than itself. Its abundance is 6107647200

### Bases of 3946442640

• Binary: 111010110011100111101111100100002
• Base-36: 1T9LYMO

### Squares and roots of 3946442640

• 3946442640 squared (39464426402) is 15574409510810169600
• 3946442640 cubed (39464426403) is 61463513786282794255071744000
• The square root of 3946442640 is 62820.7182384919
• The cube root of 3946442640 is 1580.2844437953

### Scales and comparisons

How big is 3946442640?
• 3,946,442,640 seconds is equal to 125 years, 25 weeks, 1 day, 10 hours, 4 minutes.
• To count from 1 to 3,946,442,640 would take you about two hundred fifty 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 3946442640 cubic inches would be around 131.7 feet tall.

### Recreational maths with 3946442640

• 3946442640 backwards is 0462446493
• 3946442640 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3946442640's digits is 42
• More coming soon!