# 82091991289

## 82,091,991,289 is an odd composite number composed of three prime numbers multiplied together.

What does the number 82091991289 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 45 divisors.

82091991289 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-five divisors.

## Prime factorization of 82091991289:

### 72 × 112 × 614

(7 × 7 × 11 × 11 × 61 × 61 × 61 × 61)

See below for interesting mathematical facts about the number 82091991289 from the Numbermatics database.

### Names of 82091991289

• Cardinal: 82091991289 can be written as Eighty-two billion, ninety-one million, nine hundred ninety-one thousand, two hundred eighty-nine.

### Scientific notation

• Scientific notation: 8.2091991289 × 1010

### Factors of 82091991289

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 79

### Divisors of 82091991289

• Number of divisors d(n): 45
• Complete list of divisors:
• Sum of all divisors σ(n): 106714742505
• Sum of proper divisors (its aliquot sum) s(n): 24622751216
• 82091991289 is a deficient number, because the sum of its proper divisors (24622751216) is less than itself. Its deficiency is 57469240073

### Bases of 82091991289

• Binary: 10011000111010001000001100000111110012
• Base-36: 11PNG9VD

### Squares and roots of 82091991289

• 82091991289 squared (820919912892) is 6739095033793251881521
• 82091991289 cubed (820919912893) is 553225730809898794084804792070569
• 82091991289 is a perfect square number. Its square root is 286517
• The cube root of 82091991289 is 4346.1054902193

### Scales and comparisons

How big is 82091991289?
• 82,091,991,289 seconds is equal to 2,610 years, 14 weeks, 18 hours, 54 minutes, 49 seconds.
• To count from 1 to 82,091,991,289 would take you about five thousand, two hundred twenty 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 82091991289 cubic inches would be around 362.2 feet tall.

### Recreational maths with 82091991289

• 82091991289 backwards is 98219919028
• The number of decimal digits it has is: 11
• The sum of 82091991289's digits is 58
• More coming soon!