18412913138872320

Names of 18412913138872320

• Cardinal: 18412913138872320 can be written as Eighteen quadrillion, four hundred twelve trillion, nine hundred thirteen billion, one hundred thirty-eight million, eight hundred seventy-two thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.841291313887232 × 10¹⁶

Factors of 18412913138872320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 362

Divisors of 18412913138872320

• Number of divisors d(n): 1456
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 41 45 48 54 60 64 72 80 81 82 90 96 108 120 123 128 135 144 160 162 164 180 192 205 216 240 243 246 256 270 288 311 320 324 328 360 369 384 405 410 432 480 486 492 512 540 576 615 622 640 648 656 720 729 738 768 810 820 864 933 960 972 984 1024 1080 1107 1152 1215 1230 1244 1280 1296 1312 1440 1458 1476 1536 1555 1620 1640 1728 1845 1866 1920 1944 1968 2048 2160 2214 2304 2430 2460 2488 2560 2592 2624 2799 2880 2916 2952 3072 3110 3240 3280 3321 3456 3645 3690 3732 3840 3888 3936 4096 4320 4428 4608 4665 4860 4920 4976 5120 5184 5248 5535 5598 5760 5832 5904 6144 6220 6480 6560 6642 6912 7290 7380 7464 7680 7776 7872 8397 8640 8856 9216 9330 9720 9840 9952 9963 10240 10368 10496 11070 11196 11520 11664 11808 12288 12440 12751 12960 13120 13284 13824 13995 14580 14760 14928 15360 15552 15744 16605 16794 17280 17712 18432 18660 19440 19680 19904 19926 20480 20736 20992 22140 22392 23040 23328 23616 24880 25191 25502 25920 26240 26568 27648 27990 29160 29520 29856 29889 30720 31104 31488 33210 33588 34560 35424 36864 37320 38253 38880 39360 39808 39852 41472 41984 41985 44280 44784 46080 46656 47232 49760 49815 50382 51004 51840 52480 53136 55296 55980 58320 59040 59712 59778 61440 62208 62976 63755 66420 67176 69120 70848 74640 75573 76506 77760 78720 79616 79704 82944 83968 83970 88560 89568 92160 93312 94464 96721 99520 99630 100764 102008 103680 104960 106272 110592 111960 114759 116640 118080 119424 119556 124416 125952 125955 127510 132840 134352 138240 141696 149280 149445 151146 153012 155520 157440 159232 159408 165888 167936 167940 177120 179136 184320 186624 188928 191265 193442 199040 199260 201528 204016 207360 209920 212544 223920 226719 229518 233280 236160 238848 239112 248832 251904 251910 255020 265680 268704 276480 283392 290163 298560 298890 302292 306024 311040 314880 318464 318816 331776 335880 344277 354240 358272 373248 377856 377865 382530 386884 398080 398520 403056 408032 414720 419840 425088 447840 453438 459036 466560 472320 477696 478224 483605 497664 503808 503820 510040 531360 537408 552960 566784 573795 580326 597120 597780 604584 612048 622080 629760 636928 637632 671760 688554 708480 716544 746496 755712 755730 765060 773768 796160 797040 806112 816064 829440 839680 850176 870489 895680 906876 918072 933120 944640 955392 956448 967210 995328 1007640 1020080 1032831 1062720 1074816 1133568 1133595 1147590 1160652 1194240 1195560 1209168 1224096 1244160 1259520 1273856 1275264 1343520 1377108 1416960 1433088 1450815 1492992 1511424 1511460 1530120 1547536 1592320 1594080 1612224 1632128 1658880 1700352 1721385 1740978 1791360 1813752 1836144 1866240 1889280 1910784 1912896 1934420 2015280 2040160 2065662 2125440 2149632 2267136 2267190 2295180 2321304 2388480 2391120 2418336 2448192 2488320 2519040 2550528 2611467 2687040 2754216 2833920 2866176 2901630 2985984 3022920 3060240 3095072 3098493 3184640 3188160 3224448 3264256 3400704 3442770 3481956 3582720 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3995857886040 4158291133440 4262248411776 4495340121795 4678077525120 4735831568640 4795029463248 4933792373760 4989949360128 5051553673216 5327810514720 5544388177920 5613693030144 5682997882368 5920550848512 5993786829060 6237436700160 6314442091520 6393372617664 6578389831680 7017116287680 7103747352960 7192544194872 7400688560640 7484924040192 7577330509824 7991715772080 8316582266880 8524496823552 8990680243590 9356155050240 9471663137280 9590058926496 9867584747520 9979898720256 10655621029440 11227386060288 11365995764736 11841101697024 11987573658120 12474873400320 12628884183040 12786745235328 14034232575360 14207494705920 14385088389744 14801377121280 14969848080384 15154661019648 15983431544160 16633164533760 17048993647104 17981360487180 18712310100480 18943326274560 19180117852992 19735169495040 21311242058880 22454772120576 22731991529472 23975147316240 24949746800640 25257768366080 25573490470656 28068465150720 28414989411840 28770176779488 29602754242560 29939696160768 31966863088320 34097987294208 35962720974360 37424620200960 37886652549120 38360235705984 42622484117760 44909544241152 45463983058944 47950294632480 49899493601280 51146980941312 56136930301440 56829978823680 57540353558976 59205508485120 63933726176640 68195974588416 71925441948720 74849240401920 75773305098240 76720471411968 85244968235520 89819088482304 95900589264960 102293961882624 112273860602880 113659957647360 115080707117952 127867452353280 136391949176832 143850883897440 149698480803840 153440942823936 170489936471040 191801178529920 204587923765248 224547721205760 227319915294720 230161414235904 255734904706560 287701767794880 306881885647872 340979872942080 383602357059840 409175847530496 449095442411520 460322828471808 511469809413120 575403535589760 613763771295744 681959745884160 767204714119680 920645656943616 1022939618826240 1150807071179520 1227527542591488 1534409428239360 1841291313887232 2045879237652480 2301614142359040 3068818856478720 3682582627774464 4603228284718080 6137637712957440 9206456569436160 18412913138872320
• Sum of all divisors σ(n): 68082812930268864
• Sum of proper divisors (its aliquot sum) s(n): 49669899791396544
• 18412913138872320 is an abundant number, because the sum of its proper divisors (49669899791396544) is greater than itself. Its abundance is 31256986652524224

Bases of 18412913138872320

• Binary: 1000001011010100111001001101010111011000011000000000000₂
• Hexadecimal: 0x416A726AEC3000
• Base-36: 51ATZIRK000

Squares and roots of 18412913138872320

• 18412913138872320 squared (18412913138872320²) is 339035370259656911821841262182400
• 18412913138872320 cubed (18412913138872320³) is 6242628823596478557241792409109244082198151168000
• The square root of 18412913138872320 is 135694189.7756581175
• The cube root of 18412913138872320 is 264062.9686940329

Scales and comparisons

• 18,412,913,138,872,320 seconds is equal to 585,473,682 years, 48 weeks, 4 days, 19 hours, 12 minutes.
• To count from 1 to 18,412,913,138,872,320 would take you about one billion, seven hundred fifty-six million, four hundred twenty-one thousand and forty-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 18412913138872320 cubic inches would be around 22005.2 feet tall.

Recreational maths with 18412913138872320

• 18412913138872320 backwards is 02327883131921481
• The number of decimal digits it has is: 17
• The sum of 18412913138872320's digits is 63
• More coming soon!