155905501779552042

Names of 155905501779552042

• Cardinal: 155905501779552042 can be written as One hundred fifty-five quadrillion, nine hundred five trillion, five hundred one billion, seven hundred seventy-nine million, five hundred fifty-two thousand and forty-two.

Scientific notation

• Scientific notation: 1.55905501779552042 × 10¹⁷

Factors of 155905501779552042

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 81898

Divisors of 155905501779552042

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 63 97 126 194 291 582 679 873 1358 1746 2037 4074 6111 10459 12222 20918 28429 31377 42901 56858 62754 73213 85287 85802 94131 128703 146426 170574 188262 199003 219639 255861 257406 300307 386109 398006 439278 511722 597009 600614 658917 772218 900921 1014523 1194018 1317834 1791027 1801842 2029046 2702763 2757613 3043569 3582054 4161397 5405526 5515226 6087138 7101661 8272839 8322794 9130707 12484191 14203322 16545678 18261414 19303291 21304983 24818517 24968382 29129779 37452573 38606582 42609966 49637034 57909873 58259558 63914949 74905146 87389337 115819746 127829898 173729619 174778674 262168011 297338911 347459238 448701559 524336022 594677822 892016733 897403118 1219632529 1346104677 1784033466 2081372377 2439265058 2676050199 2692209354 3140910913 3658897587 4038314031 4162744754 5352100398 6244117131 6281821826 7317795174 8076628062 8537427703 9422732739 10976692761 12488234262 17074855406 18732351393 18845465478 21953385522 25612283109 28268198217 28841874367 37464702786 43524051223 51224566218 56536396434 57683748734 76836849327 86525623101 87048102446 118304355313 130572153669 153673698654 173051246202 201893120569 236608710626 259576869303 261144307338 304668358561 354913065939 391716461007 403786241138 519153738606 605679361707 609336717122 709826131878 783432922014 828130487191 914005075683 1064739197817 1211358723414 1656260974382 1817038085121 1828010151366 2129478395634 2484391461573 2742015227049 3634076170242 4968782923146 5484030454098 7453174384719 12756136620811 14906348769438 25512273241622 38268409862433 76536819724866 89292956345677 114805229587299 178585912691354 229610459174598 267878869037031 535757738074062 803636607111093 1237345252218667 1607273214222186 2474690504437334 3712035756656001 7424071513312002 8661416765530669 11136107269968003 17322833531061338 22272214539936006 25984250296592007 51968500593184014 77952750889776021 155905501779552042
• Sum of all divisors σ(n): 390091738236345600
• Sum of proper divisors (its aliquot sum) s(n): 234186236456793558
• 155905501779552042 is an abundant number, because the sum of its proper divisors (234186236456793558) is greater than itself. Its abundance is 78280734677241516

Bases of 155905501779552042

• Binary: 1000101001111000110011101001010100000110010110011100101010₂
• Hexadecimal: 0x229E33A5419672A
• Base-36: 16N3VYRIRYUI

Squares and roots of 155905501779552042

• 155905501779552042 squared (155905501779552042²) is 24306525485133904934867470186369764
• 155905501779552042 cubed (155905501779552042³) is 3789521052277271076818061543418354810830434093258088
• The square root of 155905501779552042 is 394848707.4558457283
• The cube root of 155905501779552042 is 538212.5418147407

Scales and comparisons

• 155,905,501,779,552,042 seconds is equal to 4,957,312,709 years, 10 weeks, 6 days, 5 hours, 20 minutes, 42 seconds.
• To count from 1 to 155,905,501,779,552,042 would take you about fourteen billion, eight hundred seventy-one million, nine hundred thirty-eight thousand, one hundred twenty-seven 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 155905501779552042 cubic inches would be around 44851 feet tall.

Recreational maths with 155905501779552042

• 155905501779552042 backwards is 240255977105509551
• The number of decimal digits it has is: 18
• The sum of 155905501779552042's digits is 72
• More coming soon!