18946315742640

Names of 18946315742640

• Cardinal: 18946315742640 can be written as Eighteen trillion, nine hundred forty-six billion, three hundred fifteen million, seven hundred forty-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.894631574264 × 10¹³

Factors of 18946315742640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8782

Divisors of 18946315742640

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 26 30 33 39 40 44 48 52 55 60 65 66 78 80 88 104 110 120 121 130 132 143 156 165 176 195 208 220 240 242 260 264 286 312 330 363 390 429 440 484 520 528 557 572 605 624 660 715 726 780 858 880 968 1040 1114 1144 1210 1320 1331 1430 1452 1560 1573 1671 1716 1815 1936 2145 2228 2288 2420 2640 2662 2785 2860 2904 3120 3146 3342 3432 3630 3993 4290 4456 4719 4840 5324 5570 5720 5808 6127 6292 6655 6684 6864 7241 7260 7865 7986 8191 8355 8580 8912 9438 9680 10648 11140 11440 12254 12584 13310 13368 14482 14520 15730 15972 16382 16710 17160 17303 18381 18876 19965 21296 21723 22280 23595 24508 24573 25168 26620 26736 28964 29040 30635 31460 31944 32764 33420 34320 34606 36205 36762 37752 39930 40955 43446 44560 47190 49016 49146 51909 53240 57928 61270 62920 63888 65528 66840 67397 69212 72410 73524 75504 79651 79860 81910 86515 86892 90101 91905 94380 98032 98292 103818 106480 106483 108615 115856 122540 122865 125840 131056 133680 134794 138424 144820 147048 159302 159720 163820 173030 173784 180202 183810 188760 196584 202191 207636 212966 217230 238953 245080 245730 259545 269588 270303 276848 289640 294096 318604 319440 319449 327640 336985 346060 347568 360404 367620 377520 393168 398255 404382 415272 425932 434460 450505 477906 490160 491460 519090 532415 539176 540606 579280 637208 638898 655280 673970 692120 720808 735240 741367 796510 808764 830544 851864 868920 876161 901010 955812 982920 991111 1010955 1038180 1064830 1078352 1081212 1171313 1194765 1274416 1277796 1347940 1351515 1384240 1441616 1470480 1482734 1593020 1597245 1617528 1703728 1737840 1752322 1802020 1911624 1965840 1982222 2021910 2076360 2129660 2162424 2224101 2342626 2389530 2555592 2628483 2695880 2703030 2965468 2973333 3186040 3194490 3235056 3504644 3513939 3604040 3706835 3823248 3964444 4043820 4152720 4259320 4324848 4380805 4448202 4562387 4685252 4779060 4955555 5111184 5256966 5391760 5406060 5856565 5930936 5946666 6372080 6388980 7009288 7027878 7208080 7413670 7928888 8087640 8518640 8761610 8896404 9124774 9370504 9558120 9637771 9911110 10513932 10812120 10902221 11120505 11713130 11861872 11893332 12777960 12884443 13142415 13687161 14018576 14055756 14827340 14866665 15857776 16175280 17523220 17569695 17792808 18249548 18741008 19116240 19275542 19822220 21027864 21624240 21804442 22241010 22811935 23426260 23786664 25555920 25768886 26284830 27374322 28111512 28913313 29654680 29733330 32706663 35046440 35139390 35585616 36499096 38551084 38653329 39644440 42055728 43608884 44482020 45623870 46852520 47573328 48188855 50186257 51537772 52569660 54511105 54748644 56223024 57826626 59309360 59311031 59466660 64422215 65413326 68435805 70092880 70278780 72998192 77102168 77306658 79288880 87217768 88964040 91247740 93705040 96377710 100372514 103075544 105139320 109022210 109497288 115653252 118622062 118933320 128844430 130826652 136871610 140557560 141728873 144566565 150558771 154204336 154613316 163533315 174435536 177928080 177933093 182495480 192755420 193266645 200745028 206151088 210278640 218044420 218994576 231306504 237244124 237866640 250931285 257688860 261653304 273743220 281115120 283457746 289133130 296555155 301117542 309226632 327066630 355866186 364990960 385510840 386533290 401490056 425186619 436088840 462613008 474488248 501862570 515377720 523306608 547486440 552048827 566915492 578266260 593110310 602235084 618453264 652421341 654133260 708644365 711732372 752793855 771021680 773066580 802980112 850373238 872177680 889665465 948976496 1003725140 1030755440 1094972880 1104097654 1133830984 1156532520 1186220620 1204470168 1304842682 1308266520 1417288730 1423464744 1505587710 1546133160 1656146481 1700746476 1779330930 1957264023 2007450280 2125933095 2208195308 2267661968 2313065040 2372441240 2408940336 2609685364 2616533040 2760244135 2834577460 2846929488 3011175420 3092266320 3262106705 3312292962 3401492952 3558661860 3914528046 4014900560 4251866190 4416390616 4744882480 5219370728 5520488270 5669154920 6022350840 6072537097 6524213410 6624585924 6802985904 7117323720 7176634751 7829056092 8280732405 8503732380 8832781232 9786320115 10438741456 11040976540 11338309840 12044701680 12145074194 13048426820 13249171848 14234647440 14353269502 15658112184 16561464810 17007464760 18217611291 19572640230 21529904253 22081953080 24290148388 26096853640 26498343696 28706539004 30362685485 31316224368 33122929620 34014929520 35883173755 36435222582 39145280460 43059808506 44163906160 48580296776 52193707280 57413078008 60725370970 66245859240 71766347510 72870445164 78290560920 78942982261 86119617012 91088056455 97160593552 107649521265 114826156016 121450741940 132491718480 143532695020 145740890328 156581121840 157885964522 172239234024 182176112910 215299042530 236828946783 242901483880 287065390040 291481780656 315771929044 344478468048 364352225820 394714911305 430598085060 473657893566 485802967760 574130780080 631543858088 728704451640 789429822610 861196170120 947315787132 1184144733915 1263087716176 1457408903280 1578859645220 1722392340240 1894631574264 2368289467830 3157719290440 3789263148528 4736578935660 6315438580880 9473157871320 18946315742640
• Sum of all divisors σ(n): 69705362571264
• Sum of proper divisors (its aliquot sum) s(n): 50759046828624
• 18946315742640 is an abundant number, because the sum of its proper divisors (50759046828624) is greater than itself. Its abundance is 31812731085984

Bases of 18946315742640

• Binary: 100010011101101001000011010110110110110110000₂
• Hexadecimal: 0x113B486B6DB0
• Base-36: 6PRTF7P2O

Squares and roots of 18946315742640

• 18946315742640 squared (18946315742640²) is 358962880219808294714169600
• 18946315742640 cubed (18946315742640³) is 6801024068531950557705924191554911744000
• The square root of 18946315742640 is 4352736.5808925309
• The cube root of 18946315742640 is 26658.8609975455

Scales and comparisons

• 18,946,315,742,640 seconds is equal to 602,434 years, 12 weeks, 1 day, 20 hours, 4 minutes.
• To count from 1 to 18,946,315,742,640 would take you about one million, five hundred six thousand and eighty-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 18946315742640 cubic inches would be around 2221.6 feet tall.

Recreational maths with 18946315742640

• 18946315742640 backwards is 04624751364981
• 18946315742640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18946315742640's digits is 60
• More coming soon!