18281127948720

Names of 18281127948720

• Cardinal: 18281127948720 can be written as Eighteen trillion, two hundred eighty-one billion, one hundred twenty-seven million, nine hundred forty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.828112794872 × 10¹³

Factors of 18281127948720

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 347067

Divisors of 18281127948720

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 19 20 21 24 26 28 30 35 38 39 40 42 48 52 56 57 60 65 70 76 78 80 84 91 95 104 105 112 114 120 127 130 133 140 152 156 168 182 190 195 208 210 228 240 247 254 260 266 273 280 285 304 312 336 364 380 381 390 399 420 455 456 494 508 520 532 546 560 570 624 635 665 728 741 760 762 780 798 840 889 910 912 988 1016 1040 1064 1092 1140 1235 1270 1330 1365 1456 1482 1520 1524 1560 1596 1651 1680 1729 1778 1820 1905 1976 1995 2032 2128 2184 2280 2413 2470 2540 2660 2667 2730 2964 3048 3120 3192 3302 3458 3556 3640 3705 3810 3952 3990 4368 4445 4560 4826 4940 4953 5080 5187 5320 5334 5460 5928 6096 6384 6604 6916 7112 7239 7280 7410 7620 7980 8255 8645 8890 9652 9880 9906 10160 10374 10640 10668 10920 11557 11856 12065 13208 13335 13832 14224 14478 14820 15240 15960 16510 16891 17290 17780 19304 19760 19812 20748 21336 21840 23114 24130 24765 25935 26416 26670 27664 28956 29640 30480 31369 31920 33020 33782 34580 34671 35560 36195 38608 39624 41496 42672 46228 48260 49530 50673 51870 53340 57785 57912 59280 62738 66040 67564 69160 69342 71120 72390 79248 82992 84455 92456 94107 96520 99060 101346 103740 106680 115570 115824 125476 132080 135128 138320 138684 144780 156845 168910 173355 184912 188214 193040 198120 202692 207480 213360 219583 231140 250952 253365 270256 277368 289560 313690 337820 346710 346891 376428 396240 405384 414960 439166 462280 470535 501904 506730 554736 579120 627380 658749 675640 693420 693782 752856 810768 878332 924560 941070 1013460 1040673 1097915 1254760 1317498 1351280 1386840 1387564 1505712 1734455 1756664 1882140 2026920 2081346 2195830 2428237 2509520 2634996 2773680 2775128 3293745 3468910 3513328 3764280 4053840 4162692 4391660 4509583 4856474 5203365 5269992 5550256 6587490 6590929 6937820 7284711 7528560 8325384 8783320 9019166 9712948 10406730 10539984 12141185 13174980 13181858 13528749 13875640 14569422 16650768 17566640 18038332 19425896 19772787 20813460 22547915 24282370 26349960 26363716 27057498 27751280 29138844 31567081 32954645 36076664 36423555 38851792 39545574 41626920 44055157 45095830 46136503 48564740 52699920 52727432 54114996 58277688 63134162 65909290 67643745 72153328 72847110 79091148 83253840 85682077 88110314 90191660 92273006 94701243 97129480 98863935 105454864 108229992 116555376 126268324 131818580 132165471 135287490 138409509 145694220 157835405 158182296 171364154 176220628 180383320 184546012 189402486 194258960 197727870 216459984 220275785 230682515 252536648 257046231 263637160 264330942 270574980 276819018 291388440 308386099 315670810 316364592 342728308 352441256 360766640 369092024 378804972 395455740 428410385 440551570 461365030 473506215 505073296 514092462 527274320 528661884 541149960 553638036 572717041 582776880 599774539 616772198 631341620 660827355 685456616 692047545 704882512 738184048 757609944 790911480 837047983 856820770 881103140 922730060 925158297 947012430 1028184924 1057323768 1082299920 1107276072 1145434082 1199549078 1233544396 1262683240 1285231155 1321654710 1370913232 1384095090 1515219888 1541930495 1581822960 1674095966 1713641540 1718151123 1762206280 1799323617 1845460120 1850316594 1894024860 2056369848 2114647536 2214552144 2290868164 2399098156 2467088792 2511143949 2525366480 2570462310 2643309420 2768190180 2863585205 2998872695 3083860990 3348191932 3427283080 3436302246 3524412560 3598647234 3690920240 3700633188 3788049720 4009019287 4112739696 4185239915 4581736328 4625791485 4798196312 4934177584 5022287898 5140924620 5286618840 5536380360 5727170410 5859335881 5997745390 6167721980 6696383864 6854566160 6872604492 7197294468 7401266376 7576099440 8018038574 8370479830 8590755615 8996618085 9163472656 9251582970 9596392624 10044575796 10281849240 10573237680 10881623779 11072760720 11454340820 11718671762 11995490780 12027057861 12335443960 12555719745 13392767728 13745208984 14394588936 14802532752 16036077148 16740959660 17181511230 17578007643 17993236170 18503165940 20045096435 20089151592 20563698480 21763247558 22908681640 23437343524 23990981560 24054115722 24670887920 25111439490 27490417968 28789177872 29296679405 32072154296 32644871337 33481919320 34363022460 35156015286 35986472340 37006331880 40090192870 40178303184 43526495116 45817363280 46874687048 47981963120 48108231444 50222878980 54408118895 58593358810 60135289305 64144308592 65289742674 66963838640 68726044920 70312030572 71972944680 74012663760 76171366453 80180385740 87052990232 87890038215 93749374096 96216462888 100445757960 108816237790 117186717620 120270578610 130579485348 137452089840 140624061144 143945889360 152342732906 160360771480 163224356685 174105980464 175780076430 192432925776 200891515920 217632475580 228514099359 234373435240 240541157220 261158970696 281248122288 304685465812 320721542960 326448713370 351560152860 380856832265 435264951160 457028198718 468746870480 481082314440 522317941392 609370931624 652897426740 703120305720 761713664530 870529902320 914056397436 962164628880 1142570496795 1218741863248 1305794853480 1406240611440 1523427329060 1828112794872 2285140993590 2611589706960 3046854658120 3656225589744 4570281987180 6093709316240 9140563974360 18281127948720
• Sum of all divisors σ(n): 73998890434560
• Sum of proper divisors (its aliquot sum) s(n): 55717762485840
• 18281127948720 is an abundant number, because the sum of its proper divisors (55717762485840) is greater than itself. Its abundance is 37436634537120

Bases of 18281127948720

• Binary: 100001010000001101000001000110011000110110000₂
• Hexadecimal: 0x10A0682331B0
• Base-36: 6HA8FKQEO

Squares and roots of 18281127948720

• 18281127948720 squared (18281127948720²) is 334199639077471514949638400
• 18281127948720 cubed (18281127948720³) is 6109546362391301189255513857497742848000
• The square root of 18281127948720 is 4275643.5712907595
• The cube root of 18281127948720 is 26343.1474504795

Scales and comparisons

• 18,281,127,948,720 seconds is equal to 581,283 years, 16 weeks, 5 days, 52 minutes.
• To count from 1 to 18,281,127,948,720 would take you about one million, four hundred fifty-three thousand, two hundred eight 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 18281127948720 cubic inches would be around 2195.3 feet tall.

Recreational maths with 18281127948720

• 18281127948720 backwards is 02784972118281
• 18281127948720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18281127948720's digits is 60
• More coming soon!