13221678635446890625

Names of 13221678635446890625

• Cardinal: 13221678635446890625 can be written as Thirteen quintillion, two hundred twenty-one quadrillion, six hundred seventy-eight trillion, six hundred thirty-five billion, four hundred forty-six million, eight hundred ninety thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.3221678635446890625 × 10¹⁹

Factors of 13221678635446890625

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 143

Divisors of 13221678635446890625

• Number of divisors d(n): 147
• Complete list of divisors:
  1 5 25 59 79 125 295 395 625 1475 1975 3125 3481 4661 6241 7375 9875 15625 17405 23305 31205 36875 49375 87025 116525 156025 184375 246875 274999 368219 435125 493039 582625 780125 921875 1234375 1374995 1841095 2175625 2465195 2913125 3900625 6874975 9205475 10878125 12325975 14565625 19503125 21724921 29089301 34374875 38950081 46027375 54390625 61629875 72828125 97515625 108624605 145446505 171874375 194750405 230136875 308149375 543123025 727232525 859371875 973752025 1150684375 1540746875 1716268759 2298054779 2715615125 3077056399 3636162625 4296859375 4868760125 5753421875 7703734375 8581343795 11490273895 13578075625 15385281995 18180813125 24343800625 42906718975 57451369475 67890378125 76926409975 90904065625 121719003125 135585231961 181546327541 214533594875 243087455521 287256847375 339451890625 384632049875 454520328125 608595015625 677926159805 907731637705 1072667974375 1215437277605 1436284236875 1923160249375 3389630799025 4538658188525 5363339871875 6077186388025 7181421184375 9615801246875 10711233324919 14342159875739 16948153995125 22693290942625 26816699359375 30385931940125 35907105921875 48079006234375 53556166624595 71710799378695 84740769975625 113466454713125 151929659700625 267780833122975 358553996893475 423703849878125 567332273565625 759648298503125 846187432668601 1338904165614875 1792769984467375 2118519249390625 2836661367828125 3798241492515625 4230937163343005 6694520828074375 8963849922336875 21154685816715025 33472604140371875 44819249611684375 105773429083575125 167363020701859375 224096248058421875 528867145417875625 2644335727089378125 13221678635446890625
• Sum of all divisors σ(n): 17027286485038927831
• Sum of proper divisors (its aliquot sum) s(n): 3805607849592037206
• 13221678635446890625 is a deficient number, because the sum of its proper divisors (3805607849592037206) is less than itself. Its deficiency is 9416070785854853419

Bases of 13221678635446890625

• Binary: 1011011101111100110101101010101011100000001011101111000010000001₂
• Hexadecimal: 0xB77CD6AAE02EF081
• Base-36: 2SG9XWX7IZ7UP

Squares and roots of 13221678635446890625

• 13221678635446890625 squared (13221678635446890625²) is 174812785939032751682688304980712890625
• 13221678635446890625 cubed (13221678635446890625³) is 2311318477053059940654545819622802091338675693511962890625
• 13221678635446890625 is a perfect square number. Its square root is 3636162625
• The cube root of 13221678635446890625 is 2364624.5761916703
• Being both a perfect square and a perfect cube, 13221678635446890625 is also a perfect sixth number.

Scales and comparisons

• 13,221,678,635,446,890,625 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 13,221,678,635,446,890,625 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 13221678635446890625 cubic inches would be around 197052 feet tall.

Recreational maths with 13221678635446890625

• 13221678635446890625 backwards is 52609864453687612231
• The number of decimal digits it has is: 20
• The sum of 13221678635446890625's digits is 88
• More coming soon!