# 121855199312

## 121,855,199,312 is an even composite number composed of seven prime numbers multiplied together.

What does the number 121855199312 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 320 divisors.

121855199312 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.

## Prime factorization of 121855199312:

### 24 × 7 × 11 × 23 × 41 × 53 × 1979

(2 × 2 × 2 × 2 × 7 × 11 × 23 × 41 × 53 × 1979)

See below for interesting mathematical facts about the number 121855199312 from the Numbermatics database.

### Names of 121855199312

• Cardinal: 121855199312 can be written as One hundred twenty-one billion, eight hundred fifty-five million, one hundred ninety-nine thousand, three hundred twelve.

### Scientific notation

• Scientific notation: 1.21855199312 × 1011

### Factors of 121855199312

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2116

### Divisors of 121855199312

• Number of divisors d(n): 320
• Complete list of divisors:
• Sum of all divisors σ(n): 320739471360
• Sum of proper divisors (its aliquot sum) s(n): 198884272048
• 121855199312 is an abundant number, because the sum of its proper divisors (198884272048) is greater than itself. Its abundance is 77029072736

### Bases of 121855199312

• Binary: 11100010111110010001011001000010100002
• Base-36: 1JZ9FTJK

### Squares and roots of 121855199312

• 121855199312 squared (1218551993122) is 14848689599367245273344
• 121855199312 cubed (1218551993123) is 1809390030652917101867723040739328
• The square root of 121855199312 is 349077.6408078867
• The cube root of 121855199312 is 4957.7126890787

### Scales and comparisons

How big is 121855199312?
• 121,855,199,312 seconds is equal to 3,874 years, 32 weeks, 2 hours, 28 minutes, 32 seconds.
• To count from 1 to 121,855,199,312 would take you about seven thousand, seven hundred forty-nine 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 121855199312 cubic inches would be around 413.1 feet tall.

### Recreational maths with 121855199312

• 121855199312 backwards is 213991558121
• The number of decimal digits it has is: 12
• The sum of 121855199312's digits is 47
• More coming soon!