# 2020991

## 2,020,991 is an odd composite number composed of three prime numbers multiplied together.

What does the number 2020991 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

2020991 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 2020991:

### 7 × 61 × 4733

See below for interesting mathematical facts about the number 2020991 from the Numbermatics database.

### Names of 2020991

• Cardinal: 2020991 can be written as Two million, twenty thousand, nine hundred ninety-one.

### Scientific notation

• Scientific notation: 2.020991 × 106

### Factors of 2020991

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4801

### Divisors of 2020991

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 2348064
• Sum of proper divisors (its aliquot sum) s(n): 327073
• 2020991 is a deficient number, because the sum of its proper divisors (327073) is less than itself. Its deficiency is 1693918

### Bases of 2020991

• Binary: 1111011010110011111112
• Base-36: 17BEN

### Squares and roots of 2020991

• 2020991 squared (20209912) is 4084404622081
• 2020991 cubed (20209913) is 8254544981584102271
• The square root of 2020991 is 1421.6156301899
• The cube root of 2020991 is 126.4313552173

### Scales and comparisons

How big is 2020991?
• 2,020,991 seconds is equal to 3 weeks, 2 days, 9 hours, 23 minutes, 11 seconds.
• To count from 1 to 2,020,991 would take you about five weeks!

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 2020991 cubic inches would be around 10.5 feet tall.

### Recreational maths with 2020991

• 2020991 backwards is 1990202
• The number of decimal digits it has is: 7
• The sum of 2020991's digits is 23
• More coming soon!