18997637547798

Names of 18997637547798

• Cardinal: 18997637547798 can be written as Eighteen trillion, nine hundred ninety-seven billion, six hundred thirty-seven million, five hundred forty-seven thousand, seven hundred ninety-eight.

Scientific notation

• Scientific notation: 1.8997637547798 × 10¹³

Factors of 18997637547798

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 219

Divisors of 18997637547798

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 37 39 42 54 63 74 78 81 91 111 117 126 157 162 182 189 222 234 243 259 273 314 333 351 378 471 481 486 518 546 567 666 702 729 777 819 942 962 999 1053 1099 1134 1413 1443 1458 1554 1638 1701 1998 2041 2106 2198 2331 2457 2826 2886 2997 3159 3297 3367 3402 4082 4239 4329 4662 4914 5103 5809 5994 6123 6318 6594 6734 6993 7371 8478 8658 8991 9477 9891 10101 10206 11618 12246 12717 12987 13986 14287 14742 17427 17982 18369 18954 19782 20202 20979 22113 24649 25434 25974 26973 28574 29673 30303 34854 36738 38151 38961 40663 41958 42861 44226 49298 52281 53946 55107 59346 60606 62937 66339 73947 75517 76302 77922 81326 85722 89019 90909 104562 110214 114453 116883 121989 125874 128583 132678 147894 151034 156843 165321 172543 178038 181818 188811 221841 226551 228906 233766 243978 257166 267057 272727 313686 320437 330642 345086 350649 365967 377622 385749 443682 453102 470529 495963 517629 528619 534114 545454 640874 665523 679653 701298 731934 771498 801171 818181 912013 941058 961311 991926 1035258 1057238 1097901 1157247 1331046 1359306 1411587 1487889 1552887 1585857 1602342 1636362 1824026 1922622 1996569 2038959 2195802 2243059 2314494 2454543 2736039 2823174 2883933 2975778 3105774 3171714 3293703 3471741 3869893 3993138 4077918 4234761 4486118 4658661 4757571 4909086 5472078 5767866 5989707 6116877 6384091 6587406 6729177 6943482 7739786 8208117 8469522 8651799 9317322 9515142 9881109 10415223 11609679 11856169 11979414 12233754 12768182 13458354 13975983 14272713 16416234 17303598 17969121 18350631 19152273 19762218 20187531 20830446 23219358 23712338 24624351 25955397 27089251 27951966 28545426 29643327 34829037 35568507 35938242 36701262 38304546 40375062 41927949 42818139 49248702 50308609 51910794 54178502 55051893 57456819 59286654 60562593 69658074 71137014 73873053 77866191 81267753 82993183 83855898 85636278 100617218 104487111 106705521 110103786 114913638 121125186 125783847 128454417 143186041 147746106 150925827 155732382 162535506 165986366 172370457 181687779 208974222 213411042 221619159 233598573 243803259 248979549 251567694 256908834 286372082 301851654 313461333 320116563 344740914 352160263 363375558 385363251 429558123 443238318 452777481 467197146 487606518 497959098 517111371 545063337 626922666 640233126 664857477 704320526 731409777 746938647 770726502 859116246 905554962 940383999 960349689 1002302287 1034222742 1056480789 1090126674 1288674369 1329714954 1358332443 1462819554 1493877294 1551334113 1635190011 1861418533 1880767998 1920699378 2004604574 2112961578 2194229331 2240815941 2577348738 2716664886 2821151997 2881049067 3006906861 3102668226 3169442367 3270380022 3722837066 3866023107 4074997329 4388458662 4481631882 4654002339 5584255599 5642303994 5762098134 6013813722 6338884734 6582687993 6722447823 7732046214 8149994658 8643147201 9020720583 9308004678 9508327101 11168511198 11598069321 12224991987 13029929731 13165375986 13444895646 16752766797 17286294402 18041441166 19016654202 19748063979 20167343469 23196138642 24449983974 26059859462 27062161749 28524981303 33505533594 34794207963 36674975961 39089789193 39496127958 40334686938 50258300391 54124323498 57049962606 60502030407 69588415926 73349951922 78179578386 81186485247 85574943909 100516600782 104382623889 117269367579 121004060814 150774901173 162372970494 171149887818 208765247778 234538735158 243559455741 256724831727 301549802346 351808102737 452324703519 487118911482 513449663454 703616205474 730678367223 904649407038 1055424308211 1356974110557 1461356734446 2110848616422 2713948221114 3166272924633 6332545849266 9498818773899 18997637547798
• Sum of all divisors σ(n): 54352189852800
• Sum of proper divisors (its aliquot sum) s(n): 35354552305002
• 18997637547798 is an abundant number, because the sum of its proper divisors (35354552305002) is greater than itself. Its abundance is 16356914757204

Bases of 18997637547798

• Binary: 100010100011100111011011100000000011100010110₂
• Hexadecimal: 0x11473B700716
• Base-36: 6QFE6W3DI

Squares and roots of 18997637547798

• 18997637547798 squared (18997637547798²) is 360910232397504406734648804
• 18997637547798 cubed (18997637547798³) is 6856441782379331911933332301303293533592
• The square root of 18997637547798 is 4358627.9432635681
• The cube root of 18997637547798 is 26682.9104814919

Scales and comparisons

• 18,997,637,547,798 seconds is equal to 604,066 years, 5 weeks, 5 days, 5 hours, 3 minutes, 18 seconds.
• To count from 1 to 18,997,637,547,798 would take you about one million, five hundred ten thousand, one hundred sixty-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 18997637547798 cubic inches would be around 2223.6 feet tall.

Recreational maths with 18997637547798

• 18997637547798 backwards is 89774573679981
• The number of decimal digits it has is: 14
• The sum of 18997637547798's digits is 90
• More coming soon!