18941538179840

Names of 18941538179840

• Cardinal: 18941538179840 can be written as Eighteen trillion, nine hundred forty-one billion, five hundred thirty-eight million, one hundred seventy-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.894153817984 × 10¹³

Factors of 18941538179840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 344

Divisors of 18941538179840

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 31 32 37 40 58 62 64 74 80 113 116 124 127 128 145 148 155 160 185 226 232 248 254 256 290 296 310 320 370 452 464 496 508 565 580 592 620 635 640 740 899 904 928 961 992 1016 1073 1130 1147 1160 1184 1240 1270 1280 1480 1798 1808 1856 1922 1984 2032 2146 2260 2294 2320 2368 2480 2540 2960 3277 3503 3596 3616 3683 3712 3844 3937 3968 4064 4181 4292 4495 4520 4588 4640 4699 4736 4805 4960 5080 5365 5735 5920 6554 7006 7192 7232 7366 7424 7688 7874 7936 8128 8362 8584 8990 9040 9176 9280 9398 9472 9610 9920 10160 10730 11470 11840 13108 14012 14351 14384 14464 14732 15376 15748 16256 16385 16724 17168 17515 17980 18080 18352 18415 18560 18796 19220 19685 19840 20320 20905 21460 22940 23495 23680 26216 27869 28024 28702 28768 28928 29464 30752 31496 32512 32770 33263 33448 34336 35030 35557 35960 36160 36704 36830 37120 37592 38440 39370 39680 40640 41810 42920 45880 46990 47360 52432 55738 56048 57404 57536 58928 61504 62992 65540 66526 66896 68672 70060 71114 71755 71920 72320 73408 73660 75184 76880 78740 81280 83620 85840 91760 93980 101587 104864 108593 111476 112096 114173 114808 115072 117856 121249 122047 123008 125984 129611 131080 133052 133792 136271 137344 139345 140120 142228 143510 143840 144640 145669 146816 147320 150368 153760 157480 162560 166315 167240 171680 177785 183520 187960 203174 209728 217186 222952 224192 228346 229616 230144 235712 242498 244094 246016 251968 259222 262160 266104 267584 272542 274688 278690 280240 284456 287020 287680 291338 293632 294640 300736 307520 314960 332630 334480 343360 355570 367040 375920 406348 416179 419456 434372 444881 445904 448384 456692 459232 471424 484996 488188 503936 507935 518444 524320 530987 532208 535168 542965 545084 557380 560480 568912 570865 574040 575360 582676 589280 601472 606245 610235 615040 629920 648055 665260 668960 681355 686720 711140 728345 734080 751840 812696 832358 838912 868744 889762 891808 896768 913384 918464 942848 969992 976376 1007872 1015870 1031153 1036888 1048640 1061974 1064416 1070336 1085930 1090168 1114760 1120960 1137824 1141730 1148080 1150720 1165352 1178560 1202944 1212490 1220470 1230080 1259840 1296110 1330520 1337920 1362710 1373440 1422280 1456690 1468160 1503680 1625392 1664716 1737488 1779524 1783616 1826768 1836928 1939984 1952752 2031740 2062306 2073776 2080895 2097280 2123948 2128832 2171860 2180336 2224405 2229520 2241920 2275648 2283460 2296160 2330704 2357120 2424980 2440940 2519680 2592220 2654935 2661040 2675840 2725420 2844560 2913380 3007360 3149197 3250784 3329432 3474976 3539363 3559048 3567232 3653536 3673856 3758719 3879968 3905504 4017941 4063480 4124612 4147552 4161790 4194560 4224401 4247896 4257664 4343720 4360672 4448810 4459040 4483840 4515739 4551296 4566920 4592320 4661408 4714240 4849960 4881880 5039360 5155765 5184440 5309870 5322080 5351680 5450840 5689120 5826760 6014720 6298394 6501568 6658864 6949952 7078726 7118096 7134464 7307072 7517438 7759936 7811008 8035882 8126960 8249224 8295104 8323580 8448802 8495792 8515328 8687440 8721344 8897620 8918080 9031478 9102592 9133840 9184640 9322816 9699920 9763760 10311530 10368880 10619740 10644160 10901680 11378240 11653520 12596788 12901549 13003136 13317728 13791311 13899904 14157452 14236192 14614144 15034876 15398623 15519872 15622016 15745985 16071764 16253920 16460597 16498448 16590208 16647160 16897604 16991584 17374880 17442688 17696815 17795240 17836160 18062956 18267680 18369280 18645632 18793595 19399840 19527520 20089705 20623060 20737760 21122005 21239480 21288320 21803360 22578695 22756480 23307040 25193576 25803098 26006272 26635456 27582622 27799808 28314904 28472384 29228288 30069752 30797246 31039744 31244032 31491970 32143528 32507840 32921194 32996896 33180416 33294320 33795208 33983168 34749760 34885376 35393630 35590480 35672320 36125912 36535360 37291264 37587190 38799680 39055040 40179410 41246120 41475520 42244010 42478960 42576640 43606720 45157390 45512960 46614080 50387152 51606196 53270912 55165244 56629808 56944768 60139504 61594492 62983940 64287056 64507745 65015680 65842388 65993792 66588640 67590416 67966336 68956555 69499520 70787260 71180960 72251824 73070720 75174380 76993115 77599360 78110080 80358820 82302985 82492240 82951040 84488020 84957920 87213440 90314780 93228160 100774304 103212392 106541824 110330488 113259616 113889536 116520289 120279008 123188984 125967880 128574112 129015490 130031360 130956431 131684776 131987584 133177280 135180832 135932672 137913110 138999040 141574520 142361920 144503648 146141440 150348760 153986230 155198720 156220160 160717640 164605970 164984480 165902080 168976040 169915840 174426880 180629560 186456320 201548608 206424784 220660976 226519232 233040578 240558016 246377968 251935760 257148224 258030980 261912862 263369552 263975168 266354560 270361664 275826220 283149040 284723840 289007296 300697520 307972460 321435280 329211940 329968960 337952080 339831680 361259120 399948019 403097216 412849568 441321952 453038464 466081156 477357313 481116032 492755936 503871520 510278507 514296448 516061960 523825724 526739104 532709120 540723328 551652440 566298080 569447680 578014592 582601445 601395040 615944920 642870560 654782155 658423880 659937920 675904160 679663360 722518240 799896038 806194432 825699136 882643904 906076928 932162312 954714626 962232064 985511872 1007743040 1020557014 1028592896 1032123920 1047651448 1053478208 1081446656 1103304880 1132596160 1156029184 1165202890 1202790080 1231889840 1285741120 1309564310 1316847760 1319875840 1351808320 1445036480 1599792076 1651398272 1765287808 1864324624 1909429252 1971023744 1999740095 2015486080 2041114028 2064247840 2095302896 2106956416 2206609760 2265192320 2330405780 2386786565 2405580160 2463779680 2551392535 2571482240 2619128620 2633695520 2703616640 2890072960 3199584152 3302796544 3530575616 3728649248 3818858504 3942047488 3999480190 4030972160 4082228056 4128495680 4190605792 4213912832 4413219520 4530384640 4660811560 4773573130 4811160320 4927559360 5102785070 5142964480 5238257240 5267391040 5407233280 5780145920 6399168304 7457298496 7637717008 7998960380 8164456112 8256991360 8381211584 8826439040 9321623120 9547146260 9855118720 10205570140 10476514480 10534782080 12798336608 14798076703 14914596992 15275434016 15997920760 16328912224 16513982720 16762423168 17652878080 18643246240 19094292520 19710237440 20411140280 20953028960 21069564160 25596673216 29596153406 29829193984 30550868032 31995841520 32657824448 33524846336 37286492480 38188585040 40822280560 41906057920 51193346432 59192306812 61101736064 63991683040 65315648896 73990383515 74572984960 76377170080 81644561120 83812115840 102386692864 118384613624 122203472128 127983366080 130631297792 147980767030 149145969920 152754340160 163289122240 167624231680 236769227248 255966732160 295961534060 305508680320 326578244480 473538454496 511933464320 591923068120 611017360640 653156488960 947076908992 1183846136240 1894153817984 2367692272480 3788307635968 4735384544960 9470769089920 18941538179840
• Sum of all divisors σ(n): 50645524285440
• Sum of proper divisors (its aliquot sum) s(n): 31703986105600
• 18941538179840 is an abundant number, because the sum of its proper divisors (31703986105600) is greater than itself. Its abundance is 12762447925760

Bases of 18941538179840

• Binary: 100010011101000101011101001111001101100000000₂
• Hexadecimal: 0x113A2BA79B00
• Base-36: 6PPMERY0W

Squares and roots of 18941538179840

• 18941538179840 squared (18941538179840²) is 358781868618336420182425600
• 18941538179840 cubed (18941538179840³) is 6795880462668558051991003240180219904000
• The square root of 18941538179840 is 4352187.7463914629
• The cube root of 18941538179840 is 26656.6200149827

Scales and comparisons

• 18,941,538,179,840 seconds is equal to 602,282 years, 16 weeks, 5 days, 23 hours, 17 minutes, 20 seconds.
• To count from 1 to 18,941,538,179,840 would take you about one million, five hundred five thousand, seven hundred five 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 18941538179840 cubic inches would be around 2221.4 feet tall.

Recreational maths with 18941538179840

• 18941538179840 backwards is 04897183514981
• The number of decimal digits it has is: 14
• The sum of 18941538179840's digits is 68
• More coming soon!