18315217872222

Names of 18315217872222

• Cardinal: 18315217872222 can be written as Eighteen trillion, three hundred fifteen billion, two hundred seventeen million, eight hundred seventy-two thousand, two hundred twenty-two.

Scientific notation

• Scientific notation: 1.8315217872222 × 10¹³

Factors of 18315217872222

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2370

Divisors of 18315217872222

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 43 86 129 258 1093 1229 1849 2186 2458 3279 3687 3698 5547 6558 7374 11094 46999 52847 93998 105694 140997 158541 281994 317082 1343297 1510441 2020957 2272421 2686594 3020882 4029891 4041914 4531323 4544842 6062871 6817263 8059782 9062646 12125742 13634526 57761771 64948963 115523542 129897926 173285313 194846889 346570626 389693778 1650912013 2483756153 2792805409 3301824026 4952736039 4967512306 5585610818 7451268459 8378416227 9905472078 14902536918 16756832454 70989216559 141978433118 212967649677 425935299354 3052536312037 6105072624074 9157608936111 18315217872222
• Sum of all divisors σ(n): 37566995568984
• Sum of proper divisors (its aliquot sum) s(n): 19251777696762
• 18315217872222 is an abundant number, because the sum of its proper divisors (19251777696762) is greater than itself. Its abundance is 936559824540

Bases of 18315217872222

• Binary: 100001010100001011000000011100010010101011110₂
• Hexadecimal: 0x10A8580E255E
• Base-36: 6HPW7U3Q6

Squares and roots of 18315217872222

• 18315217872222 squared (18315217872222²) is 335447205706960165119217284
• 18315217872222 cubed (18315217872222³) is 6143788657151046490650504567224565885048
• The square root of 18315217872222 is 4279628.2399551949
• The cube root of 18315217872222 is 26359.5118355479

Scales and comparisons

• 18,315,217,872,222 seconds is equal to 582,367 years, 14 weeks, 2 days, 8 hours, 3 minutes, 42 seconds.
• To count from 1 to 18,315,217,872,222 would take you about one million, four hundred fifty-five thousand, nine hundred eighteen 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 18315217872222 cubic inches would be around 2196.6 feet tall.

Recreational maths with 18315217872222

• 18315217872222 backwards is 22227871251381
• The number of decimal digits it has is: 14
• The sum of 18315217872222's digits is 51
• More coming soon!