18991909412000

Names of 18991909412000

• Cardinal: 18991909412000 can be written as Eighteen trillion, nine hundred ninety-one billion, nine hundred nine million, four hundred twelve thousand.

Scientific notation

• Scientific notation: 1.8991909412 × 10¹³

Factors of 18991909412000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 180

Divisors of 18991909412000

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 29 32 35 40 49 50 56 58 70 80 98 100 112 116 125 137 140 145 160 175 196 200 203 224 232 245 250 274 280 290 350 392 400 406 464 490 500 548 560 580 685 700 725 784 800 812 841 875 928 959 980 1000 1015 1096 1120 1160 1225 1370 1400 1421 1450 1568 1624 1682 1750 1918 1960 2000 2030 2192 2320 2450 2740 2800 2842 2900 3248 3364 3425 3500 3625 3836 3920 3973 4000 4060 4205 4384 4640 4795 4900 5075 5480 5600 5684 5800 5887 6125 6496 6713 6728 6850 7000 7105 7250 7672 7840 7946 8120 8410 9590 9800 10150 10960 11368 11600 11774 12250 13426 13456 13700 14000 14210 14500 15344 15892 16240 16820 17125 19180 19600 19865 20300 21025 21920 22736 23200 23548 23975 24389 24500 25375 26852 26912 27400 27811 28000 28420 29000 29435 30688 31784 32480 33565 33640 34250 35525 38360 39200 39730 40600 41209 42050 45472 47096 47950 48778 49000 50750 53704 54800 55622 56840 58000 58870 63568 67130 67280 68500 71050 76720 79460 81200 82418 84100 94192 95900 97556 98000 99325 101500 105125 107408 109600 111244 113680 115217 116000 117740 119875 121945 127136 134260 134560 137000 139055 142100 147175 153440 158920 162400 164836 167825 168200 170723 177625 188384 191800 194677 195112 196000 198650 203000 206045 210250 214816 222488 227360 230434 235480 239750 243890 268520 274000 278110 284200 294350 317840 329672 335650 336400 341446 355250 383600 389354 390224 397300 406000 412090 420500 444976 460868 470960 479500 487780 496625 537040 548000 556220 568400 576085 588700 609725 635680 659344 671300 672800 682892 695275 707281 710500 735875 767200 778708 780448 794600 806519 812000 824180 839125 841000 853615 889952 921736 941920 959000 973385 975560 993250 1030225 1074080 1112440 1136800 1152170 1177400 1195061 1219450 1318688 1342600 1365784 1390550 1414562 1421000 1471750 1557416 1589200 1613038 1648360 1678250 1682000 1707230 1843472 1918000 1946770 1951120 1986500 2060450 2224880 2304340 2354800 2390122 2438900 2685200 2731568 2781100 2829124 2842000 2880425 2943500 3048625 3114832 3178400 3226076 3296720 3341293 3356500 3364000 3414460 3476375 3536405 3686944 3836000 3893540 3902240 3973000 4032595 4120900 4268075 4449760 4608680 4709600 4780244 4866925 4877800 4950967 5151125 5370400 5463136 5562200 5645633 5658248 5684000 5760850 5887000 5975305 6097250 6229664 6452152 6593440 6682586 6713000 6828920 6952750 7072810 7787080 7946000 8065190 8241800 8536150 9217360 9560488 9733850 9755600 9901934 10302250 11124400 11291266 11316496 11521700 11774000 11950610 12194500 12904304 13365172 13426000 13657840 13905500 14145620 14402125 15574160 15892000 16130380 16483600 16706465 17072300 17682025 18434720 19120976 19467700 19511200 19803868 20162975 20604500 21340375 22248800 22582532 22632992 23043400 23389051 23548000 23901220 24334625 24389000 24754835 25808608 26730344 26852000 27315680 27811000 28228165 28291240 28804250 29876525 31148320 32260760 32967200 33412930 34144600 34656769 35364050 38241952 38935400 39607736 40325950 41209000 42680750 45165064 46086800 46778102 47802440 48669250 48778000 49509670 53460688 55622000 56456330 56582480 57608500 59753050 64521520 66825860 68289200 69313538 70728100 77870800 79215472 80651900 82418000 83532325 85361500 88410125 90330128 92173600 93556204 95604880 96897497 97338500 97556000 99019340 100814875 106921376 111244000 112912660 113164960 115217000 116945255 119506100 123774175 129043040 133651720 136578400 138627076 141140825 141456200 149382625 155741600 158430944 161303800 163723357 164836000 167064650 170723000 173283845 176820250 180660256 187112408 191209760 193794994 194677000 198038680 201629750 225825320 230434000 233890510 239012200 247548350 267303440 277254152 282281650 282912400 298765250 322607600 327446714 334129300 341446000 346567690 353640500 374224816 387589988 389354000 396077360 403259500 417661625 451650640 460868000 467781020 478024400 484487485 495096700 534606880 554508304 564563300 565824800 584726275 597530500 618870875 645215200 654893428 668258600 678282479 682892000 693135380 705704125 707281000 748449632 775179976 778708000 792154720 806519000 818616785 835323250 866419225 903301280 935562040 956048800 968974970 990193400 1109016608 1129126600 1169452550 1195061000 1237741750 1309786856 1336517200 1356564958 1386270760 1411408250 1414562000 1550359952 1613038000 1637233570 1670646500 1732838450 1871124080 1937949940 1980386800 2258253200 2338905100 2390122000 2422437425 2475483500 2619573712 2673034400 2713129916 2772541520 2822816500 2829124000 2923631375 3100719904 3226076000 3274467140 3341293000 3391412395 3465676900 3742248160 3875899880 3960773600 4093083925 4332096125 4516506400 4677810200 4747977353 4780244000 4844874850 4950967000 5239147424 5426259832 5545083040 5645633000 5847262750 6548934280 6682586000 6782824790 6931353800 7751799760 8186167850 8664192250 9355620400 9495954706 9689749700 9901934000 10852519664 11291266000 11694525500 12112187125 13097868560 13365172000 13565649580 13862707600 15503599520 16372335700 16957061975 17328384500 18711240800 18991909412 19379499400 19803868000 20465419625 21705039328 22582532000 23389051000 23739886765 24224374250 26195737120 27131299160 27725415200 32744671400 33914123950 34656769000 37983818824 38758998800 40930839250 46778102000 47479773530 48448748500 54262598320 65489342800 67828247900 69313538000 75967637648 77517997600 81861678500 84785309875 93556204000 94959547060 96897497000 108525196640 118699433825 130978685600 135656495800 138627076000 151935275296 163723357000 169570619750 189919094120 193794994000 237398867650 271312991600 327446714000 339141239500 379838188240 387589988000 474797735300 542625983200 593497169125 654893428000 678282479000 759676376480 949595470600 1186994338250 1356564958000 1899190941200 2373988676500 2713129916000 3798381882400 4747977353000 9495954706000 18991909412000
• Sum of all divisors σ(n): 56630582248968
• Sum of proper divisors (its aliquot sum) s(n): 37638672836968
• 18991909412000 is an abundant number, because the sum of its proper divisors (37638672836968) is greater than itself. Its abundance is 18646763424968

Bases of 18991909412000

• Binary: 100010100010111100110000000111001110010100000₂
• Hexadecimal: 0x1145E6039CA0
• Base-36: 6QCRGI9I8

Squares and roots of 18991909412000

• 18991909412000 squared (18991909412000²) is 360692623113614185744000000
• 18991909412000 cubed (18991909412000³) is 6850241623750417999568189822528000000000
• The square root of 18991909412000 is 4357970.7906318051
• The cube root of 18991909412000 is 26680.2284164439

Scales and comparisons

• 18,991,909,412,000 seconds is equal to 603,883 years, 50 weeks, 4 days, 8 hours, 13 minutes, 20 seconds.
• To count from 1 to 18,991,909,412,000 would take you about one million, five hundred nine thousand, seven hundred nine 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 18991909412000 cubic inches would be around 2223.4 feet tall.

Recreational maths with 18991909412000

• 18991909412000 backwards is 00021490919981
• The number of decimal digits it has is: 14
• The sum of 18991909412000's digits is 53
• More coming soon!