18390361281996

Names of 18390361281996

• Cardinal: 18390361281996 can be written as Eighteen trillion, three hundred ninety billion, three hundred sixty-one million, two hundred eighty-one thousand, nine hundred ninety-six.

Scientific notation

• Scientific notation: 1.8390361281996 × 10¹³

Factors of 18390361281996

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3097

Divisors of 18390361281996

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 109 114 121 132 209 218 228 242 327 361 363 418 436 484 627 654 722 726 836 1083 1199 1254 1308 1444 1452 2071 2166 2299 2398 2508 2953 3597 3971 4142 4332 4598 4796 5906 6213 6897 7194 7942 8284 8859 9196 11812 11881 11913 12426 13189 13794 14388 15884 17718 22781 23762 23826 24852 26378 27588 32483 35436 35643 39349 39567 43681 45562 47524 47652 52756 56107 64966 68343 71286 78698 79134 87362 91124 97449 112214 118047 129932 130691 131043 136686 142572 157396 158268 168321 174724 194898 224428 225739 236094 250591 261382 262086 273372 321877 336642 357313 389796 392073 432839 451478 472188 501182 522764 524172 617177 643754 673284 677217 714626 751773 784146 865678 902956 965631 1002364 1066033 1071939 1234354 1287508 1298517 1354434 1429252 1437601 1503546 1568292 1731356 1851531 1931262 2132066 2143878 2468708 2483129 2597034 2708868 2875202 3007092 3198099 3540647 3703062 3862524 4264132 4287756 4289041 4312803 4761229 4966258 5194068 5750404 6115663 6396198 6788947 7081294 7406124 7449387 8578082 8625606 9522458 9932516 10621941 11726363 12231326 12792396 12867123 13577894 14162588 14283687 14898774 17156164 17251212 18346989 19044916 20366841 21243882 23452726 24462652 25734246 27155788 27314419 28567374 29797548 35084593 35179089 36693978 38947117 40733682 42487764 46905452 47179451 51468492 54628838 57134748 67272293 70169186 70358178 73387956 77894234 81467364 81943257 94358902 105253779 109257676 116197597 116841351 128989993 134544586 140338372 140716356 141538353 155788468 163886514 188717804 201816879 210507558 232395194 233682702 257979986 269089172 283076706 327773028 348592791 385930523 386969979 403633758 421015116 464790388 467365404 515959972 518973961 566153412 666607267 697185582 739995223 771861046 773939958 807267516 1037947922 1157791569 1278173567 1333214534 1394371164 1479990446 1543722092 1547879916 1556921883 1999821801 2075895844 2219985669 2315583138 2556347134 2666429068 2959980892 3113843766 3834520701 3999643602 4245235753 4439971338 4631166276 5112694268 6227687532 7332679937 7669041402 7999287204 8490471506 8879942676 12665538073 12735707259 14059909237 14665359874 15338082804 16980943012 21998039811 25331076146 25471414518 28119818474 29330719748 37996614219 42179727711 43996079622 50662152292 50942829036 56239636948 75993228438 80659479307 84359455422 87992159244 139320918803 151986456876 161318958614 168718910844 241978437921 278641837606 322637917228 417962756409 483956875842 557283675212 835925512818 967913751684 1532530106833 1671851025636 3065060213666 4597590320499 6130120427332 9195180640998 18390361281996
• Sum of all divisors σ(n): 50257460725416
• Sum of proper divisors (its aliquot sum) s(n): 31867099443420
• 18390361281996 is an abundant number, because the sum of its proper divisors (31867099443420) is greater than itself. Its abundance is 13476738161424

Bases of 18390361281996

• Binary: 100001011100111010110111100111001010111001100₂
• Hexadecimal: 0x10B9D6F395CC
• Base-36: 6IOEYA5SC

Squares and roots of 18390361281996

• 18390361281996 squared (18390361281996²) is 338205388082337560633744016
• 18390361281996 cubed (18390361281996³) is 6219719274351852081580803984303053535936
• The square root of 18390361281996 is 4288398.4518694155
• The cube root of 18390361281996 is 26395.5117877057

Scales and comparisons

• 18,390,361,281,996 seconds is equal to 584,756 years, 31 weeks, 2 days, 17 hours, 26 minutes, 36 seconds.
• To count from 1 to 18,390,361,281,996 would take you about one million, four hundred sixty-one thousand, eight hundred ninety-one 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 18390361281996 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18390361281996

• 18390361281996 backwards is 69918216309381
• 18390361281996 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18390361281996's digits is 66
• More coming soon!