# 2920021

## 2,920,021 is an odd composite number composed of two prime numbers multiplied together.

What does the number 2920021 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

2920021 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 2920021:

### 13 × 224617

See below for interesting mathematical facts about the number 2920021 from the Numbermatics database.

### Names of 2920021

• Cardinal: 2920021 can be written as Two million, nine hundred twenty thousand and twenty-one.

### Scientific notation

• Scientific notation: 2.920021 × 106

### Factors of 2920021

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 224630

### Divisors of 2920021

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 3144652
• Sum of proper divisors (its aliquot sum) s(n): 224631
• 2920021 is a deficient number, because the sum of its proper divisors (224631) is less than itself. Its deficiency is 2695390

### Bases of 2920021

• Binary: 10110010001110010101012
• Base-36: 1QL3P

### Squares and roots of 2920021

• 2920021 squared (29200212) is 8526522640441
• 2920021 cubed (29200213) is 24897625167063169261
• The square root of 2920021 is 1708.8068937127
• The cube root of 2920021 is 142.9317326193

### Scales and comparisons

How big is 2920021?
• 2,920,021 seconds is equal to 4 weeks, 5 days, 19 hours, 7 minutes, 1 second.
• To count from 1 to 2,920,021 would take you about seven 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 2920021 cubic inches would be around 11.9 feet tall.

### Recreational maths with 2920021

• 2920021 backwards is 1200292
• The number of decimal digits it has is: 7
• The sum of 2920021's digits is 16
• More coming soon!