18118728461887714422

Names of 18118728461887714422

• Cardinal: 18118728461887714422 can be written as Eighteen quintillion, one hundred eighteen quadrillion, seven hundred twenty-eight trillion, four hundred sixty-one billion, eight hundred eighty-seven million, seven hundred fourteen thousand, four hundred twenty-two.

Scientific notation

• Scientific notation: 1.8118728461887714422 × 10¹⁹

Factors of 18118728461887714422

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 238

Divisors of 18118728461887714422

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 162 233 243 466 486 699 1398 2097 4194 6291 12582 18873 37746 54289 56619 108578 113238 162867 325734 488601 977202 1465803 2931606 4397409 8794818 12649337 13192227 25298674 26384454 37948011 75896022 113844033 227688066 341532099 683064198 1024596297 2049192594 2947295521 3073788891 5894591042 6147577782 8841886563 17683773126 26525659689 53051319378 79576979067 159153958134 238730937201 477461874402 686719856393 716192811603 1373439712786 1432385623206 2060159569179 4120319138358 6180478707537 12360957415074 18541436122611 37082872245222 55624308367833 111248616735666 160005726539569 166872925103499 320011453079138 333745850206998 480017179618707 960034359237414 1440051538856121 2880103077712242 4320154616568363 8640309233136726 12960463849705089 25920927699410178 37281334283719577 38881391549115267 74562668567439154 77762783098230534 111844002851158731 223688005702317462 335532008553476193 671064017106952386 1006596025660428579 2013192051320857158 3019788076981285737 6039576153962571474 9059364230943857211 18118728461887714422
• Sum of all divisors σ(n): 40886696421605492640
• Sum of proper divisors (its aliquot sum) s(n): 22767967959717778218
• 18118728461887714422 is an abundant number, because the sum of its proper divisors (22767967959717778218) is greater than itself. Its abundance is 4649239497830063796

Bases of 18118728461887714422

• Binary: 1111101101110010101001111000100111111000100100111011010001110110₂
• Hexadecimal: 0xFB72A789F893B476
• Base-36: 3TNO976DI6XDI

Squares and roots of 18118728461887714422

• 18118728461887714422 squared (18118728461887714422²) is 328288321075619941648051165979026794084
• 18118728461887714422 cubed (18118728461887714422³) is 5948166946778167447150698281000201171284855059356791079448
• The square root of 18118728461887714422 is 4256609972.9582594707
• The cube root of 18118728461887714422 is 2626490.9304764705

Scales and comparisons

• 18,118,728,461,887,714,422 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,118,728,461,887,714,422 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18118728461887714422 cubic inches would be around 218874.2 feet tall.

Recreational maths with 18118728461887714422

• 18118728461887714422 backwards is 22441778816482781181
• The number of decimal digits it has is: 20
• The sum of 18118728461887714422's digits is 90
• More coming soon!