18172990422180

Names of 18172990422180

• Cardinal: 18172990422180 can be written as Eighteen trillion, one hundred seventy-two billion, nine hundred ninety million, four hundred twenty-two thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.817299042218 × 10¹³

Factors of 18172990422180

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2185

Divisors of 18172990422180

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 71 89 90 99 108 110 132 135 142 165 178 180 198 213 220 267 270 281 284 297 330 355 356 396 426 445 495 534 540 562 594 639 660 710 781 801 843 852 890 979 990 1065 1068 1124 1188 1278 1335 1405 1420 1485 1562 1602 1686 1723 1780 1917 1958 1980 2130 2343 2403 2529 2556 2670 2810 2937 2970 3091 3124 3195 3204 3372 3446 3834 3905 3916 4005 4215 4260 4686 4806 4895 5058 5169 5340 5620 5874 5940 6182 6319 6390 6892 7029 7587 7668 7810 8010 8430 8615 8811 9273 9372 9585 9612 9790 10116 10338 11715 11748 12015 12364 12638 12645 12780 14058 14685 15174 15455 15507 15620 16020 16860 17230 17622 18546 18953 18957 19170 19580 19951 20676 21087 23430 24030 25009 25276 25290 25845 26433 27819 28116 29370 30348 30910 31014 31595 34460 35145 35244 37092 37906 37914 37935 38340 39902 42174 44055 46365 46521 46860 48060 50018 50580 51690 52866 55638 56859 56871 58740 59853 61820 62028 63190 69509 70290 75027 75812 75828 75870 77535 79804 83457 84348 88110 92730 93042 94765 94785 99755 100036 103380 105435 105732 111276 113718 113742 119706 122333 125045 126380 132165 139018 139095 140580 150054 151740 153347 155070 166914 170577 170613 176220 179559 185460 186084 189530 189570 199510 208527 210870 219461 225081 227436 227484 232605 239412 244666 250090 264330 275099 278036 278190 284295 284355 299265 300108 306694 310140 333828 341154 341226 347545 359118 366999 375135 379060 379140 399020 417054 417285 421740 438922 450162 460041 465210 484163 489332 500180 511731 528660 538677 550198 556380 568590 568710 598530 611665 613388 625581 658383 675243 682308 682452 695090 718236 733998 750270 766735 825297 834108 834570 852885 853065 877844 897795 900324 920082 930420 968326 1023462 1042635 1077354 1097305 1100396 1100997 1125405 1137180 1137420 1197060 1223330 1251162 1316766 1345663 1350486 1375495 1380123 1390180 1452489 1467996 1500540 1533470 1650594 1669140 1686817 1705770 1706130 1775639 1795590 1834995 1840164 1876743 1936652 1975149 2046924 2085270 2154708 2194610 2201994 2250810 2300205 2420815 2446660 2475891 2502324 2558655 2633532 2691326 2693385 2700972 2750990 2760246 2904978 3066940 3127905 3291915 3301188 3302991 3373634 3376215 3411540 3412260 3551278 3591180 3669990 3753486 3950298 4036989 4126485 4140369 4170540 4357467 4389220 4403988 4501620 4600410 4841630 4951782 5060451 5117310 5325793 5326917 5382652 5386770 5501980 5504985 5520492 5809956 5925447 6255810 6583830 6605982 6728315 6747268 6752430 6900615 7102556 7262445 7339980 7427673 7506972 7900596 8073978 8252970 8280738 8434085 8714934 8878195 9200820 9383715 9683260 9875745 9903564 10120902 10234620 10651586 10653834 10773540 10887637 11009970 11850894 12110967 12379455 12511620 13072401 13167660 13211964 13456630 13504860 13801230 14524890 14855346 15181353 15977379 15980751 16147956 16505940 16514955 16561476 16868170 17429868 17756390 18767430 19532029 19751490 20184945 20241804 20701845 21303172 21307668 21775274 21787335 22019940 23701788 24221934 24758910 25302255 26144802 26628965 26634585 26913260 27602460 29049780 29627235 29710692 30362706 31954758 31961502 32662911 33029910 33736340 34375573 35512780 36332901 37138365 37534860 39064058 39502980 40369890 41403690 43090507 43550548 43574670 45544059 47932137 47942253 48443868 49517820 50604510 52289604 53257930 53269170 54438185 58596087 59254470 60554835 60725412 63909516 63923004 65325822 65362005 66059820 68751146 72665802 74276730 75906765 78128116 79886895 79903755 80739780 82807380 86181014 87149340 91088118 95864274 95884506 97660145 97988733 101209020 103126719 106515860 106538340 108876370 117192174 118508940 119764007 121109670 129271521 130651644 130724010 137502292 143796411 145331604 148553460 151813530 159773790 159807510 163314555 171877865 172362028 175788261 181664505 182176236 191728548 191769012 195320290 195977466 206253438 215452535 217752740 227720295 234384348 239528014 239660685 239711265 242219340 258543042 261448020 287592822 292980435 293966199 303627060 309380157 319547580 319615020 326629110 343755730 351576522 359292021 363329010 378131303 387814563 390640580 391954932 412506876 430905070 455440590 473995577 479056028 479321370 479422530 489943665 515633595 517086084 527364783 575185644 585960870 587932398 598820035 618760314 646357605 653258220 687511460 703153044 718584042 718982055 726658020 756262606 775629126 861810140 878941305 910881180 928140471 947991154 958642740 958845060 979887330 1031267190 1054729566 1077876063 1134393909 1163443689 1171921740 1175864796 1197640070 1237520628 1292715210 1421986731 1437168084 1437964110 1469830995 1512525212 1546900785 1551258252 1757882610 1796460105 1856280942 1890656515 1895982308 1939072815 1959774660 2062534380 2109459132 2155752126 2268787818 2326887378 2369977885 2395280140 2585430420 2636823915 2843973462 2875928220 2939661990 3059425997 3093801570 3233628189 3403181727 3515765220 3592920210 3712561884 3781313030 3878145630 4265960193 4311504252 4537575636 4640702355 4653774756 4739955770 5273647830 5389380315 5671969545 5687946924 5817218445 5879323980 6118851994 6187603140 6467256378 6806363454 7109933655 7185840420 7562626060 7756291260 8531920386 9178277991 9281404710 9479911540 10209545181 10547295660 10778760630 11343939090 11634436890 12237703988 12797880579 12934512756 13612726908 14219867310 15297129985 16168140945 17015908635 17063840772 18356555982 18562809420 20419090362 21329800965 21557521260 22687878180 23268873780 25595761158 27534833973 28439734620 30594259970 32336281890 33653685967 34031817270 36713111964 40838180724 42659601930 45891389955 51047725905 51191522316 55069667946 61188519940 63989402895 64672563780 67307371934 68063634540 82604501919 85319203860 91782779910 100961057901 102095451810 110139335892 127978805790 134614743868 137674169865 165209003838 168268429835 183565559820 201922115802 204190903620 255957611580 275348339730 302883173703 330418007676 336536859670 403844231604 413022509595 504805289505 550696679460 605766347406 673073719340 826045019190 908649521109 1009610579010 1211532694812 1514415868515 1652090038380 1817299042218 2019221158020 3028831737030 3634598084436 4543247605545 6057663474060 9086495211090 18172990422180
• Sum of all divisors σ(n): 63511431782400
• Sum of proper divisors (its aliquot sum) s(n): 45338441360220
• 18172990422180 is an abundant number, because the sum of its proper divisors (45338441360220) is greater than itself. Its abundance is 27165450938040

Bases of 18172990422180

• Binary: 100001000011100111010101000110111110010100100₂
• Hexadecimal: 0x10873AA37CA4
• Base-36: 6FWK1A8X0

Squares and roots of 18172990422180

• 18172990422180 squared (18172990422180²) is 330257580884646014635952400
• 18172990422180 cubed (18172990422180³) is 6001767854269008675398871064682384232000
• The square root of 18172990422180 is 4262979.0548605795
• The cube root of 18172990422180 is 26291.1025540351

Scales and comparisons

• 18,172,990,422,180 seconds is equal to 577,844 years, 45 weeks, 6 days, 7 hours, 3 minutes.
• To count from 1 to 18,172,990,422,180 would take you about one million, four hundred forty-four thousand, six hundred twelve 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 18172990422180 cubic inches would be around 2190.9 feet tall.

Recreational maths with 18172990422180

• 18172990422180 backwards is 08122409927181
• 18172990422180 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18172990422180's digits is 54
• More coming soon!