18268391418368

Names of 18268391418368

• Cardinal: 18268391418368 can be written as Eighteen trillion, two hundred sixty-eight billion, three hundred ninety-one million, four hundred eighteen thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8268391418368 × 10¹³

Factors of 18268391418368

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1912

Divisors of 18268391418368

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 4 7 8 13 14 16 17 26 28 32 34 52 56 64 68 79 91 104 112 119 128 136 158 181 182 208 221 224 238 256 272 316 362 364 416 442 448 476 512 544 553 632 724 728 832 884 896 952 1027 1088 1106 1264 1267 1343 1448 1456 1547 1613 1664 1768 1792 1904 2054 2176 2212 2353 2528 2534 2686 2896 2912 3077 3094 3226 3328 3536 3584 3808 4108 4352 4424 4706 5056 5068 5372 5792 5824 6154 6188 6452 6656 7072 7189 7616 8216 8704 8848 9401 9412 10112 10136 10744 11291 11584 11648 12308 12376 12904 14144 14299 14378 15232 16432 16471 17459 17696 18802 18824 20224 20272 20969 21488 21539 22582 23168 23296 24616 24752 25808 27421 28288 28598 28756 30464 32864 32942 34918 35392 37604 37648 40001 40448 40544 41938 42976 43078 45164 46336 46592 49232 49504 51616 54842 56576 57196 57512 60928 65728 65884 69836 70784 75208 75296 80002 81088 83876 85952 86156 90328 92672 98464 99008 100093 103232 109684 113152 114392 115024 122213 127427 131456 131768 139672 141568 146783 150416 150592 160004 162176 167752 171904 172312 180656 185887 191947 196928 198016 200186 206464 219368 228784 230048 243083 244426 254854 262912 263536 279344 280007 283136 291953 293566 300832 301184 320008 324352 335504 343808 344624 356473 361312 371774 383894 393856 396032 400372 412928 438736 457568 460096 486166 488852 509708 525824 527072 558688 560014 583906 587132 601664 602368 640016 648704 671008 687616 689248 712946 722624 743548 767788 787712 792064 800744 825856 877472 891989 915136 920192 972332 977704 1019416 1054144 1117376 1120028 1167812 1174264 1203328 1204736 1280032 1301209 1342016 1378496 1425892 1445248 1487096 1535576 1575424 1601488 1656551 1701581 1754944 1783978 1830272 1840384 1944664 1955408 2038832 2043671 2108288 2166259 2234752 2240056 2335624 2348528 2406656 2495311 2560064 2602418 2684032 2756992 2851784 2890496 2974192 3071152 3160079 3202976 3313102 3403162 3509888 3567956 3660544 3680768 3795389 3889328 3910816 4077664 4087342 4216576 4332518 4469504 4480112 4671248 4697056 4813312 4963201 4990622 5120128 5204836 5368064 5513984 5703568 5780992 5948384 6142304 6320158 6405952 6626204 6806324 7019776 7135912 7321088 7590778 7778656 7821632 8155328 8174684 8433152 8665036 8939008 8960224 9342496 9394112 9926402 9981244 10240256 10409672 10736128 11027968 11407136 11595857 11896768 12284608 12640316 12811904 13252408 13612648 14039552 14271824 15163813 15181556 15557312 15643264 16310656 16349368 17330072 17920448 18684992 18788224 19852804 19962488 20480512 20819344 22120553 22814272 23064287 23191714 23793536 24569216 25280632 25623808 26504816 26567723 27225296 28161367 28543648 30327626 30363112 31114624 31286528 32621312 32698736 34660144 34742407 35840896 37369984 37576448 39705608 39924976 41638688 44241106 45628544 46128574 46383428 47587072 49138432 50561264 51247616 53009632 53135446 54450592 56322734 57087296 60655252 60726224 62229248 62573056 64521613 65242624 65397472 69320288 69484814 71681792 74739968 75152896 79411216 79849952 83277376 88482212 91257088 92257148 92766856 95174144 98276864 101122528 106019264 106270892 108901184 112645468 114174592 121310504 121452448 124458496 129043226 130794944 138640576 138969628 143363584 149479936 158822432 159699904 161450009 166554752 176964424 182514176 184514296 185533712 197129569 202245056 212038528 212541784 217802368 225290936 228349184 242621008 242904896 258086452 261589888 277281152 277939256 299835731 317644864 319399808 322900018 333109504 353928848 369028592 371067424 392092879 394259138 404490112 424077056 425083568 435604736 450581872 451651291 456698368 485242016 485809792 516172904 523179776 554562304 555878512 599671462 635289728 638799616 645800036 666219008 707857696 738057184 742134848 784185758 788518276 808980224 848154112 850167136 871209472 901163744 903302582 970484032 971619584 1032345808 1046359552 1109124608 1111757024 1199342924 1270579456 1277599232 1291600072 1415715392 1476114368 1484269696 1568371516 1577036552 1617960448 1700334272 1802327488 1806605164 1940968064 1943239168 2064691616 2098850117 2223514048 2398685848 2541158912 2583200144 2744650153 2831430784 2952228736 2968539392 3136743032 3154073104 3400668544 3604654976 3613210328 3881936128 4129383232 4197700234 4447028096 4797371696 5097207427 5166400288 5489300306 5662861568 5904457472 5937078784 6273486064 6308146208 6801337088 7209309952 7226420656 7763872256 8258766464 8395400468 8894056192 9594743392 10194414854 10332800576 10978600612 11325723136 11808914944 12546972128 12616292416 13602674176 14418619904 14452841312 16517532928 16790800936 17788112384 19189486784 20388829708 20665601152 21957201224 25093944256 25232584832 28905682624 33035065856 33581601872 35680451989 38378973568 40777659416 41331202304 43914402448 50187888512 50465169664 57811365248 67163203744 71360903978 76757947136 81555318832 82662404608 87828804896 100375777024 100930339328 115622730496 134326407488 142721807956 153515894272 163110637664 175657609792 200751554048 231245460992 268652814976 285443615912 326221275328 351315219584 537305629952 570887231824 652442550656 702630439168 1074611259904 1141774463648 1304885101312 1405260878336 2283548927296 2609770202624 4567097854592 9134195709184 18268391418368
• Sum of all divisors σ(n): 48465318021120
• Sum of proper divisors (its aliquot sum) s(n): 30196926602752
• 18268391418368 is an abundant number, because the sum of its proper divisors (30196926602752) is greater than itself. Its abundance is 11928535184384

Bases of 18268391418368

• Binary: 100001001110101110000111110110010101000000000₂
• Hexadecimal: 0x109D70FB2A00
• Base-36: 6H4DSKOOW

Squares and roots of 18268391418368

• 18268391418368 squared (18268391418368²) is 333734125014701586807783424
• 18268391418368 cubed (18268391418368³) is 6096785625435127750275702902549519532032
• The square root of 18268391418368 is 4274153.8833280211
• The cube root of 18268391418368 is 26337.0282393163

Scales and comparisons

• 18,268,391,418,368 seconds is equal to 580,878 years, 17 weeks, 4 days, 11 hours, 46 minutes, 8 seconds.
• To count from 1 to 18,268,391,418,368 would take you about one million, four hundred fifty-two thousand, one hundred ninety-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 18268391418368 cubic inches would be around 2194.8 feet tall.

Recreational maths with 18268391418368

• 18268391418368 backwards is 86381419386281
• 18268391418368 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18268391418368's digits is 68
• More coming soon!