18712643894000

Names of 18712643894000

• Cardinal: 18712643894000 can be written as Eighteen trillion, seven hundred twelve billion, six hundred forty-three million, eight hundred ninety-four thousand.

Scientific notation

• Scientific notation: 1.8712643894 × 10¹³

Factors of 18712643894000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 257

Divisors of 18712643894000

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 31 35 40 50 56 61 62 70 80 100 112 122 124 125 140 151 155 175 200 217 244 248 250 280 302 305 310 350 400 427 434 488 496 500 560 604 610 620 700 755 775 854 868 875 961 976 1000 1057 1085 1208 1220 1240 1400 1510 1525 1550 1708 1736 1750 1891 1922 2000 2114 2135 2170 2416 2440 2480 2800 3020 3050 3100 3416 3472 3500 3775 3782 3844 3875 4228 4270 4340 4681 4805 4880 5285 5425 6040 6100 6200 6727 6832 7000 7550 7564 7625 7688 7750 8456 8540 8680 9211 9362 9455 9610 10570 10675 10850 12080 12200 12400 13237 13454 14000 15100 15128 15250 15376 15500 16912 17080 17360 18422 18724 18875 18910 19220 21140 21350 21700 22801 23405 24025 24400 26425 26474 26908 27125 30200 30256 30500 31000 32767 33635 34160 36844 37448 37750 37820 38440 42280 42700 43400 45602 46055 46810 47275 48050 52850 52948 53375 53816 54250 58621 60400 61000 62000 64477 65534 66185 67270 73688 74896 75500 75640 76880 84560 85400 86800 91204 92110 93620 94550 96100 105700 105896 106750 107632 108500 114005 117025 117242 120125 122000 128954 131068 132125 132370 134540 145111 147376 151000 151280 159607 163835 168175 170800 182408 184220 187240 189100 192200 211400 211792 213500 217000 228010 230275 234050 234484 236375 240250 257908 262136 264250 264740 269080 285541 290222 293105 302000 319214 322385 327670 330925 336350 364816 368440 374480 378200 384400 410347 422800 427000 434000 456020 460550 468100 468968 472750 480500 515816 524272 528500 529480 538160 570025 571082 580444 585125 586210 638428 644770 655340 661850 672700 706831 725555 736880 756400 798035 819175 820694 840875 854000 912040 921100 936200 937936 945500 961000 1015777 1031632 1057000 1058960 1140050 1142164 1151375 1160888 1170250 1172420 1276856 1289540 1310680 1323700 1345400 1390861 1413662 1427705 1451110 1465525 1596070 1611925 1638350 1641388 1654625 1681750 1824080 1842200 1872400 1891000 1922000 1998787 2031554 2051735 2114000 2280100 2284328 2302750 2321776 2340500 2344840 2553712 2579080 2621360 2647400 2690800 2781722 2827324 2850125 2855410 2902220 2931050 3192140 3223850 3276700 3282776 3309250 3363500 3534155 3627775 3684400 3782000 3990175 3997574 4063108 4095875 4103470 4560200 4568656 4605500 4681000 4689680 4947817 5078885 5158160 5294800 5563444 5654648 5700250 5710820 5804440 5862100 6384280 6447700 6553400 6565552 6618500 6727000 6954305 7068310 7138525 7255550 7327625 7980350 7995148 8059625 8126216 8191750 8206940 8851771 9120400 9211000 9362000 9736027 9895634 9993935 10157770 10258675 11126888 11309296 11400500 11421640 11608880 11724200 12768560 12895400 13106800 13237000 13454000 13908610 14136620 14277050 14511100 14655250 15960700 15990296 16119250 16252432 16383500 16413880 17670775 17703542 18138875 18422000 19472054 19791268 19950875 19987870 20315540 20517350 21911761 22253776 22801000 22843280 23448400 24739085 25394425 25790800 26474000 27817220 28273240 28554100 29022200 29310500 31921400 31980592 32238500 32767000 32827760 34771525 35341550 35407084 35692625 36277750 38944108 39582536 39901750 39975740 40631080 41034700 43116691 43823522 44258855 45602000 48680135 49478170 49969675 50788850 51293375 55634440 56546480 57108200 58044400 58621000 61962397 63842800 64477000 65534000 69543050 70683100 70814168 71385250 72555500 77888216 79165072 79803500 79951480 81262160 82069400 86233382 87647044 88353875 88517710 97360270 98956340 99939350 101577700 102586750 109558805 111268880 114216400 117242000 123695425 123924794 126972125 128954000 139086100 141366200 141628336 142770500 145111000 153382327 155776432 159607000 159902960 164138800 172466764 173857625 175294088 176707750 177035420 194720540 197912680 199878700 203155400 205173500 215583455 219117610 221294275 243400675 247390850 247849588 249848375 253944250 278172200 282732400 285541000 290222000 301816837 306764654 309811985 319214000 344933528 347715250 350588176 353415500 354070840 389441080 395825360 399757400 406310800 410347000 431166910 438235220 442588550 486801350 494781700 495699176 499696750 507888500 547794025 556344400 571082000 603633674 613529308 618477125 619623970 689867056 695430500 706831000 708141680 766911635 778882160 799514800 820694000 862333820 876470440 885177100 973602700 989563400 991398352 999393500 1015777000 1077917275 1095588050 1106471375 1207267348 1217003375 1227058616 1236954250 1239247940 1336617421 1390861000 1413662000 1509084185 1533823270 1549059925 1724667640 1752940880 1770354200 1947205400 1979126800 1998787000 2031554000 2155834550 2191176100 2212942750 2414534696 2434006750 2454117232 2473908500 2478495880 2673234842 2738970125 2781722000 3018168370 3067646540 3098119850 3449335280 3540708400 3834558175 3894410800 3997574000 4311669100 4382352200 4425885500 4829069392 4868013500 4947817000 4956991760 5346469684 5389586375 5477940250 6036336740 6135293080 6196239700 6683087105 7545420925 7669116350 7745299625 8623338200 8764704400 8851771000 9356321947 9736027000 9895634000 10692939368 10779172750 10955880500 12072673480 12270586160 12392479400 13366174210 15090841850 15338232700 15490599250 17246676400 17703542000 18712643894 19172790875 19472054000 21385878736 21558345500 21911761000 24145346960 24784958800 26732348420 30181683700 30676465400 30981198500 33415435525 37425287788 37727104625 38345581750 43116691000 43823522000 46781609735 53464696840 60363367400 61352930800 61962397000 66830871050 74850575576 75454209250 76691163500 86233382000 93563219470 106929393680 120726734800 123924794000 133661742100 149701151152 150908418500 153382327000 167077177625 187126438940 233908048675 267323484200 301816837000 306764654000 334154355250 374252877880 467816097350 534646968400 603633674000 668308710500 748505755760 935632194700 1169540243375 1336617421000 1871264389400 2339080486750 2673234842000 3742528778800 4678160973500 9356321947000 18712643894000
• Sum of all divisors σ(n): 54670956709824
• Sum of proper divisors (its aliquot sum) s(n): 35958312815824
• 18712643894000 is an abundant number, because the sum of its proper divisors (35958312815824) is greater than itself. Its abundance is 17245668921824

Bases of 18712643894000

• Binary: 100010000010011100000011111011111101011110000₂
• Hexadecimal: 0x1104E07DFAF0
• Base-36: 6MSGX10Q8

Squares and roots of 18712643894000

• 18712643894000 squared (18712643894000²) is 350163041503655483236000000
• 18712643894000 cubed (18712643894000³) is 6552476300497847357055754760984000000000
• The square root of 18712643894000 is 4325811.3567283537
• The cube root of 18712643894000 is 26548.8094836337

Scales and comparisons

• 18,712,643,894,000 seconds is equal to 595,004 years, 10 weeks, 13 hours, 13 minutes, 20 seconds.
• To count from 1 to 18,712,643,894,000 would take you about one million, four hundred eighty-seven thousand, five hundred ten 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 18712643894000 cubic inches would be around 2212.4 feet tall.

Recreational maths with 18712643894000

• 18712643894000 backwards is 00049834621781
• The number of decimal digits it has is: 14
• The sum of 18712643894000's digits is 53
• More coming soon!