18842454505728

Names of 18842454505728

• Cardinal: 18842454505728 can be written as Eighteen trillion, eight hundred forty-two billion, four hundred fifty-four million, five hundred five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8842454505728 × 10¹³

Factors of 18842454505728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 920

Divisors of 18842454505728

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 49 56 62 63 64 72 84 93 96 98 112 124 126 128 144 147 168 186 192 196 217 224 248 252 256 279 288 294 336 343 372 384 392 434 441 448 496 504 558 576 588 651 672 686 744 768 784 868 877 882 896 992 1008 1029 1116 1152 1176 1302 1344 1372 1488 1519 1568 1736 1754 1764 1792 1953 1984 2016 2058 2232 2304 2352 2604 2631 2688 2744 2976 3038 3087 3136 3472 3508 3528 3906 3968 4032 4116 4464 4557 4704 5208 5262 5376 5488 5952 6076 6139 6174 6272 6944 7016 7056 7812 7893 7936 8064 8232 8928 9114 9408 10416 10524 10633 10976 11904 12152 12278 12348 12544 13671 13888 14032 14112 15624 15786 16128 16464 17856 18228 18417 18816 20832 21048 21266 21952 23808 24304 24556 24696 27187 27342 27776 28064 28224 31248 31572 31899 32928 35712 36456 36834 37632 41664 42096 42532 42973 43904 48608 49112 49392 54374 54684 55251 55552 56128 56448 62496 63144 63798 65856 71424 72912 73668 81561 83328 84192 85064 85946 87808 95697 97216 98224 98784 108748 109368 110502 112256 112896 124992 126288 127596 128919 131712 145824 147336 163122 166656 168384 170128 171892 190309 191394 194432 196448 197568 217496 218736 221004 224512 244683 249984 252576 255192 257838 263424 291648 294672 300811 326244 336768 340256 343784 380618 382788 386757 388864 392896 395136 434992 437472 442008 489366 499968 505152 510384 515676 570927 583296 589344 601622 652488 673536 680512 687568 761236 765576 769129 773514 785792 790272 869984 874944 884016 902433 978732 1010304 1020768 1031352 1141854 1166592 1178688 1203244 1304976 1332163 1361024 1375136 1522472 1531152 1538258 1547028 1571584 1712781 1739968 1749888 1768032 1804866 1957464 2020608 2041536 2062704 2283708 2307387 2357376 2406488 2609952 2664326 2707299 2722048 2750272 3044944 3062304 3076516 3094056 3425562 3479936 3499776 3536064 3609732 3914928 3996489 4083072 4125408 4567416 4614774 4714752 4812976 5219904 5328652 5383903 5414598 5500544 6089888 6124608 6153032 6188112 6851124 6922161 6959872 7072128 7219464 7829856 7992978 8166144 8250816 9134832 9229548 9325141 9625952 10439808 10657304 10767806 10829196 11001088 11989467 12179776 12249216 12306064 12376224 13702248 13844322 14144256 14438928 15659712 15985956 16151709 16501632 18269664 18459096 18650282 19251904 20879616 21314608 21535612 21658392 23842999 23978934 24359552 24498432 24612128 24752448 27404496 27688644 27975423 28877856 31319424 31971912 32303418 33003264 36539328 36918192 37300564 37687321 38503808 42629216 43071224 43316784 47685998 47957868 48455127 48719104 49224256 49504896 54808992 55377288 55950846 57755712 62638848 63943824 64606836 71528997 73078656 73836384 74601128 75374642 77007616 83926269 85258432 86142448 86633568 95371996 95915736 96910254 98448512 99009792 109617984 110754576 111901692 113061963 115511424 127887648 129213672 143057994 146157312 147672768 149202256 150749284 166900993 167852538 170516864 172284896 173267136 190743992 191831472 193820508 196897024 214586991 219235968 221509152 223803384 226123926 231022848 255775296 258427344 263811247 286115988 295345536 298404512 301498568 333801986 335705076 339185889 341033728 344569792 346534272 381487984 383662944 387641016 429173982 438471936 443018304 447606768 452247852 500702979 511550592 516854688 527622494 572231976 590691072 596809024 602997136 667603972 671410152 678371778 689139584 693068544 762975968 767325888 775282032 791433741 858347964 886036608 895213536 904495704 1001405958 1023101184 1033709376 1055244988 1144463952 1168306951 1193618048 1205994272 1335207944 1342820304 1356743556 1378279168 1502108937 1525951936 1534651776 1550564064 1582867482 1716695928 1772073216 1790427072 1808991408 2002811916 2067418752 2110489976 2288927904 2336613902 2374301223 2387236096 2411988544 2670415888 2685640608 2713487112 3004217874 3051903872 3069303552 3101128128 3165734964 3433391856 3504920853 3580854144 3617982816 4005623832 4134837504 4220979952 4577855808 4673227804 4748602446 4823977088 5340831776 5371281216 5426974224 6008435748 6103807744 6202256256 6331469928 6866783712 7009841706 7161708288 7235965632 8011247664 8178148657 8441959904 9155711616 9346455608 9497204892 9647954176 10514762559 10681663552 10742562432 10853948448 12016871496 12404512512 12662939856 13733567424 14019683412 14471931264 16022495328 16356297314 16883919808 18311423232 18692911216 18994409784 21029525118 21363327104 21485124864 21707896896 24033742992 24534445971 25325879712 27467134848 28039366824 28943862528 32044990656 32712594628 33767839616 37385822432 37988819568 42059050236 42726654208 43415793792 48067485984 49068891942 50651759424 54934269696 56078733648 64089981312 65425189256 67535679232 73603337913 74771644864 75977639136 84118100472 86831587584 96134971968 98137783884 101303518848 112157467296 128179962624 130850378512 147206675826 149543289728 151955278272 168236200944 192269943936 196275567768 202607037696 224314934592 261700757024 294413351652 299086579456 303910556544 336472401888 384539887872 392551135536 448629869184 523401514048 588826703304 607821113088 672944803776 785102271072 897259738368 1046803028096 1177653406608 1345889607552 1570204542144 2093606056192 2355306813216 2691779215104 3140409084288 4710613626432 6280818168576 9421227252864 18842454505728
• Sum of all divisors σ(n): 65474003212800
• Sum of proper divisors (its aliquot sum) s(n): 46631548707072
• 18842454505728 is an abundant number, because the sum of its proper divisors (46631548707072) is greater than itself. Its abundance is 27789094201344

Bases of 18842454505728

• Binary: 100010010001100011001110011101011100100000000₂
• Hexadecimal: 0x112319CEB900
• Base-36: 6OG3QWXS0

Squares and roots of 18842454505728

• 18842454505728 squared (18842454505728²) is 355038091800429408784809984
• 18842454505728 cubed (18842454505728³) is 6689789092550072405322542068185119588352
• The square root of 18842454505728 is 4340789.6177686383
• The cube root of 18842454505728 is 26610.0582431095

Scales and comparisons

• 18,842,454,505,728 seconds is equal to 599,131 years, 40 weeks, 4 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,842,454,505,728 would take you about one million, four hundred ninety-seven thousand, eight hundred twenty-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 18842454505728 cubic inches would be around 2217.5 feet tall.

Recreational maths with 18842454505728

• 18842454505728 backwards is 82750545424881
• 18842454505728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18842454505728's digits is 63
• More coming soon!