# 1291990150

## 1,291,990,150 is an even composite number composed of five prime numbers multiplied together.

What does the number 1291990150 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

1291990150 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

## Prime factorization of 1291990150:

### 2 × 52 × 11 × 1187 × 1979

(2 × 5 × 5 × 11 × 1187 × 1979)

See below for interesting mathematical facts about the number 1291990150 from the Numbermatics database.

### Names of 1291990150

• Cardinal: 1291990150 can be written as One billion, two hundred ninety-one million, nine hundred ninety thousand, one hundred fifty.

### Scientific notation

• Scientific notation: 1.29199015 × 109

### Factors of 1291990150

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3184

### Divisors of 1291990150

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 2625099840
• Sum of proper divisors (its aliquot sum) s(n): 1333109690
• 1291990150 is an abundant number, because the sum of its proper divisors (1333109690) is greater than itself. Its abundance is 41119540

### Bases of 1291990150

• Binary: 10011010000001000110100100001102
• Base-36: LD7TZA

### Squares and roots of 1291990150

• 1291990150 squared (12919901502) is 1669238547697022500
• 1291990150 cubed (12919901503) is 2156639761624858254328375000
• The square root of 1291990150 is 35944.2644937965
• The cube root of 1291990150 is 1089.1467525063

### Scales and comparisons

How big is 1291990150?
• 1,291,990,150 seconds is equal to 41 years, 4 weeks, 1 day, 14 hours, 9 minutes, 10 seconds.
• To count from 1 to 1,291,990,150 would take you about eighty-two 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 1291990150 cubic inches would be around 90.8 feet tall.

### Recreational maths with 1291990150

• 1291990150 backwards is 0510991921
• The number of decimal digits it has is: 10
• The sum of 1291990150's digits is 37
• More coming soon!