# 87121535889289231

## 87,121,535,889,289,231 is an odd composite number composed of three prime numbers multiplied together.

What does the number 87121535889289231 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 64 divisors.

87121535889289231 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty-four divisors.

## Prime factorization of 87121535889289231:

### 113 × 1913 × 2113

(11 × 11 × 11 × 191 × 191 × 191 × 211 × 211 × 211)

See below for interesting mathematical facts about the number 87121535889289231 from the Numbermatics database.

### Names of 87121535889289231

• Cardinal: 87121535889289231 can be written as Eighty-seven quadrillion, one hundred twenty-one trillion, five hundred thirty-five billion, eight hundred eighty-nine million, two hundred eighty-nine thousand, two hundred thirty-one.

### Scientific notation

• Scientific notation: 8.7121535889289231 × 1016

### Factors of 87121535889289231

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 413

### Divisors of 87121535889289231

• Number of divisors d(n): 64
• Complete list of divisors:
• Sum of all divisors σ(n): 96790218591412224
• Sum of proper divisors (its aliquot sum) s(n): 9668682702122993
• 87121535889289231 is a deficient number, because the sum of its proper divisors (9668682702122993) is less than itself. Its deficiency is 77452853187166238

### Bases of 87121535889289231

• Binary: 1001101011000010010010011010001101111011110110000000011112
• Base-36: NTU092932FJ

### Squares and roots of 87121535889289231

• 87121535889289231 squared (871215358892892312) is 7590162015708711518214506372571361
• 87121535889289231 cubed (871215358892892313) is 661266572457086402454038240479519732467720116313391
• The square root of 87121535889289231 is 295163574.8009724031
• 87121535889289231 is a perfect cube number. Its cube root is 443311

### Scales and comparisons

How big is 87121535889289231?
• 87,121,535,889,289,231 seconds is equal to 2,770,195,356 years, 35 weeks, 17 hours, 40 minutes, 31 seconds.
• To count from 1 to 87,121,535,889,289,231 would take you about eight billion, three hundred ten million, five hundred eighty-six thousand and seventy 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 87121535889289231 cubic inches would be around 36942.6 feet tall.

### Recreational maths with 87121535889289231

• 87121535889289231 backwards is 13298298853512178
• The number of decimal digits it has is: 17
• The sum of 87121535889289231's digits is 82
• More coming soon!