18190901994433155

Names of 18190901994433155

• Cardinal: 18190901994433155 can be written as Eighteen quadrillion, one hundred ninety trillion, nine hundred one billion, nine hundred ninety-four million, four hundred thirty-three thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 1.8190901994433155 × 10¹⁶

Factors of 18190901994433155

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 582173886

Divisors of 18190901994433155

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 9 13 15 31 39 45 65 93 117 155 195 279 403 465 585 1209 1395 1723 2015 3627 5169 6045 8615 15507 18135 22399 25845 53413 67197 77535 111995 160239 201591 267065 335985 480717 694369 801195 1007955 2083107 2403585 3471845 6249321 10415535 31246605 582172111 1746516333 2910860555 5239548999 7568237443 8732581665 18047335441 22704712329 26197744995 37841187215 54142006323 68114136987 90236677205 113523561645 162426018969 234615360733 270710031615 340570684935 703846082199 812130094845 1003082547253 1173076803665 2111538246597 3009247641759 3519230410995 5015412736265 9027742925277 10557691232985 13040073114289 15046238208795 31095558964843 39120219342867 45138714626385 65200365571445 93286676894529 117360658028601 155477794824215 195601096714335 279860030683587 404242266542959 466433384472645 586803290143005 1212726799628877 1399300153417935 2021211332714795 3638180398886631 6063633998144385 18190901994433155
• Sum of all divisors σ(n): 35072060013699072
• Sum of proper divisors (its aliquot sum) s(n): 16881158019265917
• 18190901994433155 is a deficient number, because the sum of its proper divisors (16881158019265917) is less than itself. Its deficiency is 1309743975167238

Bases of 18190901994433155

• Binary: 1000000101000001000011101101011100001011010101010000011₂
• Hexadecimal: 0x40A0876B85AA83
• Base-36: 4Z44X0CBBER

Squares and roots of 18190901994433155

• 18190901994433155 squared (18190901994433155²) is 330908915371072136342609763254025
• 18190901994433155 cubed (18190901994433155³) is 6019531648599348226150176560758994433028147198875
• The square root of 18190901994433155 is 134873651.9652120749
• The cube root of 18190901994433155 is 262997.3735295215

Scales and comparisons

• 18,190,901,994,433,155 seconds is equal to 578,414,415 years, 13 weeks, 6 days, 18 hours, 59 minutes, 15 seconds.
• To count from 1 to 18,190,901,994,433,155 would take you about one billion, seven hundred thirty-five million, two hundred forty-three thousand, two hundred forty-five 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 18190901994433155 cubic inches would be around 21916.4 feet tall.

Recreational maths with 18190901994433155

• 18190901994433155 backwards is 55133449910909181
• The number of decimal digits it has is: 17
• The sum of 18190901994433155's digits is 72
• More coming soon!