12438519999840

Names of 12438519999840

• Cardinal: 12438519999840 can be written as Twelve trillion, four hundred thirty-eight billion, five hundred nineteen million, nine hundred ninety-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.243851999984 × 10¹³

Factors of 12438519999840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 444474

Divisors of 12438519999840

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 19 20 22 24 27 30 31 32 33 36 38 40 44 45 48 54 55 57 60 62 66 72 76 80 88 90 93 95 96 99 108 110 114 120 124 132 135 144 152 155 160 165 171 176 180 186 190 198 209 216 220 228 240 248 264 270 279 285 288 297 304 310 330 341 342 352 360 372 380 396 418 432 440 456 465 480 495 496 513 528 540 558 570 589 594 608 620 627 660 682 684 720 744 760 792 836 837 855 864 880 912 930 990 992 1023 1026 1045 1056 1080 1116 1140 1178 1188 1240 1254 1320 1364 1368 1395 1440 1485 1488 1520 1584 1672 1674 1705 1710 1760 1767 1824 1860 1881 1980 2046 2052 2090 2160 2232 2280 2356 2376 2480 2508 2565 2640 2728 2736 2790 2945 2970 2976 3040 3069 3135 3168 3344 3348 3410 3420 3534 3720 3762 3960 4092 4104 4180 4185 4320 4464 4560 4712 4752 4960 5016 5115 5130 5280 5301 5456 5472 5580 5643 5890 5940 6138 6270 6479 6688 6696 6820 6840 7068 7440 7524 7920 8184 8208 8360 8370 8835 8928 9120 9207 9405 9424 9504 10032 10230 10260 10602 10912 11160 11286 11780 11880 12276 12540 12958 13392 13640 13680 14136 14880 15048 15345 15840 15903 16368 16416 16720 16740 17670 18414 18810 18848 19437 20064 20460 20520 21204 22320 22572 23560 23760 24552 25080 25916 26505 26784 27280 27360 28215 28272 30096 30690 31806 32395 32736 33440 33480 35340 36828 37620 38874 40920 41040 42408 44640 45144 46035 47120 47520 49104 50160 51832 53010 54560 56430 56544 58311 60192 61380 63612 64790 66960 70680 73656 75240 77748 79515 81840 82080 84816 90288 92070 94240 97185 98208 100320 103664 106020 112860 116622 122760 127224 129580 133920 141360 147312 150480 155496 159030 163680 169632 174933 180576 184140 194370 207328 212040 225720 233244 245520 254448 259160 282720 291555 294624 300960 310992 318060 349866 368280 388740 424080 444403 451440 466488 491040 508896 518320 583110 621984 636120 699732 736560 777480 848160 874665 888806 902880 932976 1036640 1166220 1272240 1333209 1399464 1473120 1554960 1749330 1777612 1865952 2222015 2332440 2544480 2666418 2798928 3109920 3498660 3555224 3999627 4444030 4664880 4888433 5332836 5597856 6666045 6997320 7110448 7999254 8443657 8888060 9329760 9776866 10665672 11998881 13332090 13776493 13994640 14220896 14665299 15998508 16887314 17776120 19553732 19998135 21331344 23997762 24442165 25330971 26664180 27552986 27989280 29330598 31997016 33774628 35552240 39107464 39996270 41329479 42218285 42662688 43995897 47995524 48884330 50661942 53328360 55105972 58661196 59994405 63994032 67549256 68882465 71104480 73326495 75992913 78214928 79992540 82658958 84436570 87991794 92880227 95991048 97768660 101323884 106656720 110211944 117322392 119988810 123988437 126654855 127988064 131987691 135098512 137764930 146652990 151541423 151985826 156429856 159985080 165317916 168873140 175983588 185760454 191982096 195537320 202647768 206647395 213313440 219979485 220423888 227978739 234644784 239977620 247976874 253309710 261753367 263975382 270197024 275529860 278640681 293305980 303082846 303971652 319970160 330635832 337746280 351967176 371520908 371965311 379964565 383964192 391074640 405295536 413294790 439958970 440847776 454624269 455957478 464401135 469289568 479955240 495953748 506619420 523506734 527950764 551059720 557281362 586611960 606165692 607943304 619942185 639940320 659938455 661271664 675492560 703934352 743041816 743930622 757707115 759929130 782149280 785260101 810591072 826589580 835922043 879917940 909248538 911914956 928802270 959910480 991907496 1013238840 1047013468 1055901528 1102119440 1114562724 1139893695 1173223920 1212331384 1215886608 1239884370 1308766835 1319876910 1322543328 1350985120 1363872807 1393203405 1407868704 1486083632 1487861244 1515414230 1519858260 1570520202 1653179160 1671844086 1759835880 1818497076 1823829912 1857604540 1859826555 1919820960 1983814992 2026477680 2094026936 2111803056 2204238880 2229125448 2273121345 2279787390 2346447840 2355780303 2424662768 2431773216 2479768740 2507766129 2617533670 2639753820 2727745614 2786406810 2879287037 2972167264 2975722488 3030828460 3039716520 3141040404 3306358320 3343688172 3519671760 3636994152 3647659824 3715209080 3719653110 3926300505 3967629984 4052955360 4091618421 4179610215 4188053872 4223606112 4458250896 4546242690 4559574780 4711560606 4849325536 4959537480 5015532258 5235067340 5279507640 5455491228 5572813620 5758574074 5951444976 6061656920 6079433040 6282080808 6612716640 6687376344 6819364035 7039343520 7067340909 7273988304 7295319648 7430418160 7439306220 7852601010 8183236842 8359220430 8376107744 8637861111 8916501792 9092485380 9119149560 9423121212 9919074960 10031064516 10470134680 10559015280 10910982456 11145627240 11517148148 11778901515 11902889952 12123313840 12158866080 12538830645 12564161616 13374752688 13638728070 14134681818 14396435185 14547976608 14860836320 14878612440 15705202020 16366473684 16718440860 17275722222 18184970760 18238299120 18846242424 19838149920 20062129032 20458092105 20940269360 21118030560 21821964912 22291254480 23034296296 23557803030 24246627680 25077661290 25128323232 25913583333 26749505376 27277456140 28269363636 28792870370 29757224880 31410404040 32732947368 33436881720 34551444444 35336704545 36369941520 36476598240 37692484848 40124258064 40916184210 41880538720 43189305555 43643929824 44582508960 46068592592 47115606060 50155322580 51827166666 54554912280 56538727272 57585740740 59514449760 62820808080 65465894736 66873763440 69102888888 70673409090 72739883040 75384969696 77740749999 80248516128 81832368420 86378611110 92137185184 94231212120 100310645160 103654333332 109109824560 113077454544 115171481480 125641616160 129567916665 130931789472 133747526880 138205777776 141346818180 155481499998 163664736840 172757222220 188462424240 200621290320 207308666664 218219649120 226154909088 230342962960 259135833330 276411555552 282693636360 310962999996 327329473680 345514444440 376924848480 388703749995 401242580640 414617333328 460685925920 518271666660 565387272720 621925999992 654658947360 691028888880 777407499990 829234666656 1036543333320 1130774545440 1243851999984 1382057777760 1554814999980 2073086666640 2487703999968 3109629999960 4146173333280 6219259999920 12438519999840
• Sum of all divisors σ(n): 51604903526400
• Sum of proper divisors (its aliquot sum) s(n): 39166383526560
• 12438519999840 is an abundant number, because the sum of its proper divisors (39166383526560) is greater than itself. Its abundance is 26727863526720

Bases of 12438519999840

• Binary: 10110101000000010001100100001110110101100000₂
• Hexadecimal: 0xB501190ED60
• Base-36: 4EQ6DNKO0

Squares and roots of 12438519999840

• 12438519999840 squared (12438519999840²) is 154716779786419673600025600
• 12438519999840 cubed (12438519999840³) is 1924447759684222153701563278335995904000
• The square root of 12438519999840 is 3526828.6036948265
• The cube root of 12438519999840 is 23169.8329665949

Scales and comparisons

• 12,438,519,999,840 seconds is equal to 395,506 years, 23 weeks, 6 days, 20 hours, 24 minutes.
• To count from 1 to 12,438,519,999,840 would take you about nine hundred eighty-eight thousand, seven hundred sixty-six 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 12438519999840 cubic inches would be around 1930.8 feet tall.

Recreational maths with 12438519999840

• 12438519999840 backwards is 04899991583421
• 12438519999840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12438519999840's digits is 72
• More coming soon!