18478680145920

Names of 18478680145920

• Cardinal: 18478680145920 can be written as Eighteen trillion, four hundred seventy-eight billion, six hundred eighty million, one hundred forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.847868014592 × 10¹³

Factors of 18478680145920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 149

Divisors of 18478680145920

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 32 36 40 45 47 48 54 60 61 62 64 72 80 90 93 94 96 108 120 122 124 128 135 141 144 155 160 180 183 186 188 192 216 235 240 244 248 256 270 279 282 288 305 310 320 360 366 372 376 384 423 432 465 470 480 488 496 512 540 549 558 564 576 610 620 640 705 720 732 744 752 768 837 846 864 915 930 940 960 976 992 1024 1080 1098 1116 1128 1152 1220 1240 1269 1280 1395 1410 1440 1457 1464 1488 1504 1536 1647 1674 1692 1728 1830 1860 1880 1891 1920 1952 1984 2048 2115 2160 2196 2209 2232 2256 2304 2440 2480 2538 2560 2745 2790 2820 2867 2880 2914 2928 2976 3008 3072 3294 3348 3384 3456 3660 3720 3760 3782 3840 3904 3968 4096 4185 4230 4320 4371 4392 4418 4464 4512 4608 4880 4960 5076 5120 5490 5580 5640 5673 5734 5760 5828 5856 5952 6016 6144 6345 6588 6627 6696 6768 6912 7285 7320 7440 7520 7564 7680 7808 7936 8192 8235 8370 8460 8601 8640 8742 8784 8836 8928 9024 9216 9455 9760 9920 10152 10240 10980 11045 11160 11280 11346 11468 11520 11656 11712 11904 12032 12288 12690 13113 13176 13254 13392 13536 13824 14335 14570 14640 14880 15040 15128 15360 15616 15872 16384 16470 16740 16920 17019 17202 17280 17484 17568 17672 17856 18048 18432 18910 19520 19840 19881 20304 20480 21855 21960 22090 22320 22560 22692 22936 23040 23312 23424 23808 24064 24576 25380 25803 26226 26352 26508 26784 27072 27648 28365 28670 29140 29280 29760 30080 30256 30720 31232 31744 32768 32940 33135 33480 33840 34038 34404 34560 34968 35136 35344 35712 36096 36864 37820 39040 39339 39680 39762 40608 40960 43005 43710 43920 44180 44640 45120 45384 45872 46080 46624 46848 47616 48128 49152 50760 51057 51606 52452 52704 53016 53568 54144 55296 56730 57340 58280 58560 59520 59643 60160 60512 61440 62464 63488 65565 65880 66270 66960 67680 68076 68479 68808 69120 69936 70272 70688 71424 72192 73728 75640 77409 78080 78678 79360 79524 81216 81920 85095 86010 87420 87840 88360 88877 89280 90240 90768 91744 92160 93248 93696 95232 96256 98304 99405 101520 102114 103212 104904 105408 106032 107136 108288 110592 113460 114680 116560 117120 119040 119286 120320 121024 122880 124928 126976 129015 131130 131760 132540 133920 134749 135360 136152 136958 137616 138240 139872 140544 141376 142848 144384 147456 151280 154818 156160 157356 158720 159048 162432 163840 170190 172020 174840 175680 176720 177754 178560 180480 181536 183488 184320 186496 187392 190464 192512 196695 198810 203040 204228 205437 206424 209808 210816 212064 214272 216576 221184 226920 229360 233120 234240 238080 238572 240640 242048 245760 249856 253952 255285 258030 262260 263520 265080 266631 267840 269498 270720 272304 273916 275232 276480 279744 281088 282752 285696 288768 294912 298215 302560 309636 312320 314712 317440 318096 324864 340380 342395 344040 349680 351360 353440 355508 357120 360960 363072 366976 368640 372992 374784 380928 385024 387045 393390 397620 404247 406080 408456 410874 412848 419616 421632 424128 428544 433152 442368 444385 453840 458720 466240 468480 476160 477144 481280 484096 491520 499712 507904 510570 516060 524520 527040 530160 533262 535680 538996 541440 544608 547832 550464 552960 559488 562176 565504 571392 577536 596430 605120 616311 619272 624640 629424 634880 636192 649728 673745 680760 684790 688080 699360 702720 706880 711016 714240 721920 726144 733952 737280 745984 749568 761856 770048 774090 786780 795240 799893 808494 812160 816912 821748 825696 839232 843264 848256 857088 866304 884736 888770 907680 917440 932480 936960 952320 954288 962560 968192 999424 1015808 1021140 1027185 1032120 1049040 1054080 1060320 1066524 1071360 1077992 1082880 1089216 1095664 1100928 1105920 1118976 1124352 1131008 1142784 1155072 1192860 1210240 1212741 1232622 1238544 1249280 1258848 1269760 1272384 1299456 1333155 1347490 1361520 1369580 1376160 1398720 1405440 1413760 1422032 1428480 1443840 1452288 1467904 1474560 1491968 1499136 1523712 1540096 1548180 1573560 1590480 1599786 1616988 1624320 1633824 1643496 1651392 1678464 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517436160 522823680 525918720 528445440 534684032 537108480 542883840 546060288 551931904 557678592 560979968 563924565 582115680 591658560 601519536 610744320 614317824 620923392 631102464 634134528 644530176 651460608 668355040 682575360 689914880 697098240 701224960 704593920 716144640 728080384 751899420 767897280 776154240 788878080 792668160 802026048 805662720 814325760 819090432 827897856 836517888 841469952 845512704 902279304 910100480 929464320 931385088 946653696 977190912 1002532560 1023863040 1034872320 1045647360 1051837440 1056890880 1069368064 1074216960 1085767680 1092120576 1103863808 1121959936 1127849130 1164231360 1183317120 1203039072 1221488640 1228635648 1241846784 1262204928 1268269056 1289060352 1336710080 1365150720 1379829760 1394196480 1402449920 1409187840 1456160768 1503798840 1535794560 1552308480 1577756160 1585336320 1604052096 1611325440 1628651520 1638180864 1655795712 1673035776 1682939904 1804558608 1820200960 1862770176 1893307392 1954381824 2005065120 2047726080 2069744640 2091294720 2103674880 2113781760 2138736128 2148433920 2184241152 2207727616 2243919872 2255698260 2328462720 2366634240 2406078144 2442977280 2457271296 2483693568 2524409856 2536538112 2673420160 2730301440 2759659520 2788392960 2804899840 2912321536 3007597680 3071589120 3104616960 3155512320 3170672640 3208104192 3222650880 3257303040 3276361728 3311591424 3365879808 3609117216 3640401920 3725540352 3786614784 4010130240 4095452160 4139489280 4182589440 4207349760 4227563520 4277472256 4368482304 4415455232 4511396520 4656925440 4733268480 4812156288 4885954560 4914542592 4967387136 5048819712 5346840320 5460602880 5519319040 5609799680 6015195360 6143178240 6209233920 6311024640 6341345280 6416208384 6445301760 6552723456 6623182848 6731759616 7218234432 7280803840 7451080704 7573229568 8020260480 8190904320 8278978560 8365178880 8414699520 8554944512 8736964608 9022793040 9313850880 9466536960 9624312576 9771909120 9829085184 9934774272 10097639424 10693680640 10921205760 11038638080 11219599360 12030390720 12286356480 12418467840 12622049280 12682690560 12832416768 13105446912 13246365696 14436468864 14561607680 14902161408 15146459136 16040520960 16381808640 16557957120 16829399040 17109889024 18045586080 18627701760 18933073920 19248625152 19658170368 19869548544 20195278848 21387361280 21842411520 22077276160 24060781440 24572712960 24836935680 25244098560 25664833536 26210893824 28872937728 29804322816 30292918272 32081041920 32763617280 33115914240 33658798080 34219778048 36091172160 37255403520 37866147840 38497250304 39316340736 39739097088 42774722560 43684823040 48121562880 49145425920 49673871360 50488197120 51329667072 57745875456 59608645632 60585836544 64162083840 65527234560 66231828480 68439556096 72182344320 74510807040 75732295680 76994500608 78632681472 85549445120 96243125760 98290851840 99347742720 100976394240 102659334144 115491750912 119217291264 128324167680 131054469120 136879112192 144364688640 149021614080 151464591360 153989001216 171098890240 192486251520 196581703680 198695485440 205318668288 230983501824 256648335360 288729377280 298043228160 302929182720 307978002432 342197780480 384972503040 393163407360 410637336576 461967003648 513296670720 577458754560 596086456320 615956004864 684395560960 769945006080 923934007296 1026593341440 1154917509120 1231912009728 1539890012160 1847868014592 2053186682880 2309835018240 3079780024320 3695736029184 4619670036480 6159560048640 9239340072960 18478680145920
• Sum of all divisors σ(n): 70430013619200
• Sum of proper divisors (its aliquot sum) s(n): 51951333473280
• 18478680145920 is an abundant number, because the sum of its proper divisors (51951333473280) is greater than itself. Its abundance is 33472653327360

Bases of 18478680145920

• Binary: 100001100111001100111001010101000000000000000₂
• Hexadecimal: 0x10CE672A8000
• Base-36: 6JSZL1XC0

Squares and roots of 18478680145920

• 18478680145920 squared (18478680145920²) is 341461619935217992492646400
• 18478680145920 cubed (18478680145920³) is 6309760056890593594461024643278962688000
• The square root of 18478680145920 is 4298683.5363771545
• The cube root of 18478680145920 is 26437.6987362839

Scales and comparisons

• 18,478,680,145,920 seconds is equal to 587,564 years, 45 weeks, 1 day, 19 hours, 12 minutes.
• To count from 1 to 18,478,680,145,920 would take you about one million, four hundred sixty-eight thousand, nine 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 18478680145920 cubic inches would be around 2203.1 feet tall.

Recreational maths with 18478680145920

• 18478680145920 backwards is 02954108687481
• The number of decimal digits it has is: 14
• The sum of 18478680145920's digits is 63
• More coming soon!