1218155552385483540

Names of 1218155552385483540

• Cardinal: 1218155552385483540 can be written as One quintillion, two hundred eighteen quadrillion, one hundred fifty-five trillion, five hundred fifty-two billion, three hundred eighty-five million, four hundred eighty-three thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.21815555238548354 × 10¹⁸

Factors of 1218155552385483540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 142

Divisors of 1218155552385483540

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 59 60 73 118 146 177 219 236 292 295 354 365 438 590 708 730 876 885 1095 1180 1460 1770 2190 3481 3540 4307 4380 5329 6962 8614 10443 10658 12921 13924 15987 17228 17405 20886 21316 21535 25842 26645 31974 34810 41772 43070 51684 52215 53290 63948 64605 69620 79935 86140 104430 106580 129210 159870 205379 208860 254113 258420 314411 319740 389017 410758 508226 616137 628822 762339 778034 821516 943233 1016452 1026895 1167051 1232274 1257644 1270565 1524678 1556068 1572055 1886466 1945085 2053790 2334102 2464548 2541130 3049356 3080685 3144110 3772932 3811695 3890170 4107580 4668204 4716165 5082260 5835255 6161370 6288220 7623390 7780340 9432330 11670510 12117361 12322740 14992667 15246780 18550249 18864660 22952003 23341020 24234722 28398241 29985334 36352083 37100498 44978001 45904006 48469444 55650747 56796482 59970668 60586805 68856009 72704166 74200996 74963335 85194723 89956002 91808012 92751245 111301494 113592964 114760015 121173610 137712018 141991205 145408332 149926670 170389446 179912004 181760415 185502490 222602988 224890005 229520030 242347220 275424036 278253735 283982410 299853340 340778892 344280045 363520830 371004980 425973615 449780010 459040060 556507470 567964820 688560090 714924299 727041660 851947230 884567353 899560020 1094464691 1113014940 1354168177 1377120180 1429848598 1675496219 1703894460 1769134706 2144772897 2188929382 2653702059 2708336354 2859697196 3283394073 3350992438 3538269412 3574621495 4062504531 4289545794 4377858764 4422836765 5026488657 5307404118 5416672708 5472323455 6566788146 6701984876 6770840885 7149242990 8125009062 8377481095 8579091588 8845673530 10052977314 10614808236 10723864485 10944646910 13133576292 13268510295 13541681770 14298485980 16250018124 16416970365 16754962190 17691347060 20105954628 20312522655 21447728970 21889293820 25132443285 26537020590 27083363540 32833940730 33509924380 40625045310 42895457940 50264886570 52189473827 53074041180 64573416769 65667881460 79895922443 81250090620 98854276921 100529773140 104378947654 129146833538 156568421481 159791844886 193720250307 197708553842 208757895308 239687767329 258293667076 260947369135 296562830763 313136842962 319583689772 322867083845 387440500614 395417107684 399479612215 479375534658 494271384605 521894738270 593125661526 626273685924 645734167690 774881001228 782842107405 798959224430 958751069316 968601251535 988542769210 1043789476540 1186251323052 1198438836645 1291468335380 1482814153815 1565684214810 1597918448860 1937202503070 1977085538420 2396877673290 2965628307630 3131368429620 3809831589371 3874405006140 4713859424137 4793755346580 5832402338339 5931256615260 7619663178742 9427718848274 11429494768113 11664804676678 14141578272411 15239326357484 17497207015017 18855437696548 19049157946855 22858989536226 23329609353356 23569297120685 28283156544822 29162011691695 34994414030034 38098315893710 45717979072452 47138594241370 56566313089644 57147473840565 58324023383390 69988828060068 70707891362055 76196631787420 87486035075085 94277188482740 114294947681130 116648046766780 141415782724110 174972070150170 228589895362260 278117706024083 282831565448220 344111737962001 349944140300340 556235412048166 688223475924002 834353118072249 1032335213886003 1112470824096332 1376446951848004 1390588530120415 1668706236144498 1720558689810005 2064670427772006 2781177060240830 3337412472288996 3441117379620010 4129340855544012 4171765590361245 5161676069430015 5562354120481660 6882234759240020 8343531180722490 10323352138860030 16687062361444980 20302592539758059 20646704277720060 40605185079516118 60907777619274177 81210370159032236 101512962698790295 121815555238548354 203025925397580590 243631110477096708 304538888096370885 406051850795161180 609077776192741770 1218155552385483540
• Sum of all divisors σ(n): 3517832541214887840
• Sum of proper divisors (its aliquot sum) s(n): 2299676988829404300
• 1218155552385483540 is an abundant number, because the sum of its proper divisors (2299676988829404300) is greater than itself. Its abundance is 1081521436443920760

Bases of 1218155552385483540

• Binary: 1000011100111110000100000010101010101000110110100001100010100₂
• Hexadecimal: 0x10E7C205551B4314
• Base-36: 996G3R7XZXUC

Squares and roots of 1218155552385483540

• 1218155552385483540 squared (1218155552385483540²) is 1483902949807582533059825719610931600
• 1218155552385483540 cubed (1218155552385483540³) is 1807624617509304156453319482182520258610912535865864000
• The square root of 1218155552385483540 is 1103700843.7006304745
• The cube root of 1218155552385483540 is 1067990.9757362517

Scales and comparisons

• 1,218,155,552,385,483,540 seconds is equal to 38,733,578,563 years, 17 weeks, 3 days, 4 hours, 59 minutes.
• To count from 1 to 1,218,155,552,385,483,540 would take you about one hundred thirty-five billion, five hundred sixty-seven million, five hundred twenty-four thousand, nine hundred seventy-one 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 1218155552385483540 cubic inches would be around 88999.2 feet tall.

Recreational maths with 1218155552385483540

• 1218155552385483540 backwards is 0453845832555518121
• The number of decimal digits it has is: 19
• The sum of 1218155552385483540's digits is 75
• More coming soon!