# 2199121

## 2,199,121 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 2199121 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

2199121 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 2199121:

### 2199121

See below for interesting mathematical facts about the number 2199121 from the Numbermatics database.

### Names of 2199121

• Cardinal: 2199121 can be written as Two million, one hundred ninety-nine thousand, one hundred twenty-one.

### Scientific notation

• Scientific notation: 2.199121 × 106

### Factors of 2199121

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 2199121

### Divisors of 2199121

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 2199122
• Sum of proper divisors (its aliquot sum) s(n): 1
• 2199121 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2199120

### Bases of 2199121

• Binary: 10000110001110010100012
• Base-36: 1B4UP

### Squares and roots of 2199121

• 2199121 squared (21991212) is 4836133172641
• 2199121 cubed (21991213) is 10635242018751448561
• The square root of 2199121 is 1482.9433569763
• The cube root of 2199121 is 130.0418208643

### Scales and comparisons

How big is 2199121?
• 2,199,121 seconds is equal to 3 weeks, 4 days, 10 hours, 52 minutes, 1 second.
• To count from 1 to 2,199,121 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 2199121 cubic inches would be around 10.8 feet tall.

### Recreational maths with 2199121

• 2199121 backwards is 1219912
• The number of decimal digits it has is: 7
• The sum of 2199121's digits is 25
• More coming soon!