18045040290321

Names of 18045040290321

• Cardinal: 18045040290321 can be written as Eighteen trillion, forty-five billion, forty million, two hundred ninety thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.8045040290321 × 10¹³

Factors of 18045040290321

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1108929

Divisors of 18045040290321

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 11 33 89 267 979 2937 5569 16707 61259 183777 495641 1103257 1486923 3309771 5452051 12135827 16356153 36407481 98189873 294569619 1080088603 3240265809 6144038233 18432114699 67584420563 202753261689 546819402737 1640458208211 6015013430107 18045040290321
• Sum of all divisors σ(n): 26547035299200
• Sum of proper divisors (its aliquot sum) s(n): 8501995008879
• 18045040290321 is a deficient number, because the sum of its proper divisors (8501995008879) is less than itself. Its deficiency is 9543045281442

Bases of 18045040290321

• Binary: 100000110100101110000001101110110101000010001₂
• Hexadecimal: 0x106970376A11
• Base-36: 6E9RZ2VBL

Squares and roots of 18045040290321

• 18045040290321 squared (18045040290321²) is 325623479079308199966283041
• 18045040290321 cubed (18045040290321³) is 5875888799460613710503412048577898746161
• The square root of 18045040290321 is 4247945.4198848883
• The cube root of 18045040290321 is 26229.2548006115

Scales and comparisons

• 18,045,040,290,321 seconds is equal to 573,776 years, 24 weeks, 23 hours, 45 minutes, 21 seconds.
• To count from 1 to 18,045,040,290,321 would take you about one million, four hundred thirty-four thousand, four hundred forty-one 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 18045040290321 cubic inches would be around 2185.8 feet tall.

Recreational maths with 18045040290321

• 18045040290321 backwards is 12309204054081
• The number of decimal digits it has is: 14
• The sum of 18045040290321's digits is 39
• More coming soon!