12387749915840

Names of 12387749915840

• Cardinal: 12387749915840 can be written as Twelve trillion, three hundred eighty-seven billion, seven hundred forty-nine million, nine hundred fifteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.238774991584 × 10¹³

Factors of 12387749915840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 243

Divisors of 12387749915840

• Number of divisors d(n): 756
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 26 32 34 40 52 64 65 68 79 80 85 104 127 130 136 158 160 169 170 208 221 254 260 272 289 316 320 338 340 395 416 442 508 520 544 578 632 635 676 680 790 832 845 884 1016 1027 1040 1088 1105 1156 1264 1270 1343 1352 1360 1445 1580 1651 1690 1768 2032 2054 2080 2159 2210 2312 2528 2540 2686 2704 2720 2873 2890 3160 3302 3380 3536 3757 4064 4108 4160 4318 4420 4624 5056 5080 5135 5372 5408 5440 5746 5780 6241 6320 6604 6715 6760 7072 7514 8128 8216 8255 8636 8840 9248 10033 10160 10270 10744 10795 10816 11492 11560 12482 12640 13208 13351 13430 13520 14144 14365 15028 16432 16510 17272 17459 17680 18496 18785 20066 20320 20540 21463 21488 21590 22831 22984 23120 24964 25280 26416 26702 26860 27040 28067 28730 30056 31205 32864 33020 34544 34918 35360 36703 37570 40132 40640 41080 42926 42976 43180 45662 45968 46240 48841 49928 50165 52832 53404 53720 54080 56134 57460 60112 62410 65728 66040 66755 69088 69836 70720 73406 75140 80264 81133 82160 85852 85952 86360 87295 91324 91936 92480 97682 99856 100330 105664 106097 106808 107315 107440 112268 114155 114920 120224 124820 130429 132080 133510 138176 139672 140335 146812 150280 160528 162266 164320 170561 171704 172720 174590 182648 183515 183872 195364 199712 200660 212194 213616 214630 214880 224536 226967 228310 229840 240448 244205 249640 260858 264160 267020 279344 280670 293624 296803 300560 321056 324532 328640 341122 343408 345440 349180 364871 365296 367030 390728 399424 401320 405665 424388 427232 429260 429760 449072 453934 456620 459680 477139 488410 499280 521716 528320 530485 534040 558688 561340 587248 593606 601120 642112 649064 652145 682244 686816 690880 698360 729742 730592 734060 781456 792607 802640 811330 848776 852805 854464 858520 898144 907868 913240 919360 954278 976820 998560 1043432 1054729 1060970 1068080 1117376 1122680 1134835 1174496 1187212 1202240 1298128 1304290 1364488 1373632 1379261 1396720 1459484 1461184 1468120 1484015 1562912 1585214 1605280 1622660 1695577 1697552 1705610 1717040 1796288 1803649 1815736 1824355 1826480 1908556 1953640 1997120 2086864 2109458 2121940 2136160 2217293 2245360 2269670 2348992 2374424 2385695 2596256 2608580 2728976 2758522 2793440 2899537 2918968 2936240 2968030 3125824 3170428 3210560 3245320 3391154 3395104 3411220 3434080 3607298 3631472 3648710 3652960 3817112 3858439 3907280 3963035 4173728 4218916 4243880 4272320 4434586 4490720 4539340 4748848 4771390 5192512 5217160 5273645 5457952 5517044 5586880 5799074 5837936 5872480 5936060 6202807 6340856 6490640 6782308 6790208 6822440 6868160 6896305 7214596 7262944 7297420 7305920 7634224 7716878 7814560 7926070 8347456 8437832 8477885 8487760 8869172 8981440 9018245 9078680 9497696 9542780 10303891 10434320 10547290 10915904 11034088 11086465 11598148 11675872 11744960 11872120 12405614 12681712 12981280 13474319 13564616 13644880 13792610 14429192 14497685 14525888 14594840 15268448 15433756 15629120 15852140 16875664 16955770 16975520 17738344 17930393 18036490 18157360 18995392 19085560 19292195 20607782 20868640 21094580 22068176 22172930 23196296 23351744 23447437 23744240 24811228 25363424 25962560 26948638 27129232 27289760 27585220 28824809 28858384 28995370 29189680 30536896 30867512 31014035 31704280 33751328 33911540 33951040 35476688 35860786 36072980 36314720 37693981 38171120 38584390 41215564 41737280 42189160 44136352 44345860 46392592 46894874 47488480 49622456 50726848 51519455 53897276 54258464 54579520 55170440 57649618 57716768 57990740 58379360 61735024 62028070 63408560 67371595 67502656 67823080 70953376 71721572 72145960 72629440 75387962 76342240 77168780 82431128 84378320 88272704 88691720 89651965 92785184 93789748 94976960 99244912 103038910 107794552 108516928 110340880 115299236 115433536 115981480 116758720 117237185 123470048 124056140 126817120 133950583 134743190 135646160 141906752 143443144 144124045 144291920 150775924 152684480 154337560 164862256 168756640 175166147 177383440 179303930 185570368 187579496 188469905 198489824 206077820 215589104 220681760 229063423 230598472 231962960 234474370 246940096 248112280 253634240 267901166 269486380 271292320 286886288 288248090 288583840 301551848 304816681 308675120 329724512 337513280 350332294 354766880 358607860 375158992 376939810 396979648 412155640 431178208 441363520 458126846 461196944 463925920 468948740 490021753 496224560 535802332 538972760 542584640 573772576 576496180 577167680 603103696 609633362 617350240 659449024 669752915 700664588 709533760 717215720 750317984 753879620 824311280 862356416 875830735 916253692 922393888 927851840 937897480 980043506 992449120 1071604664 1077945520 1145317115 1147545152 1152992360 1206207392 1219266724 1234700480 1339505830 1401329176 1434431440 1500635968 1507759240 1524083405 1648622560 1751661470 1832507384 1844787776 1875794960 1960087012 1984898240 2143209328 2155891040 2277159911 2290634230 2305984720 2412414784 2438533448 2450108765 2679011660 2802658352 2868862880 2977824499 3015518480 3048166810 3297245120 3503322940 3665014768 3751589920 3920174024 4286418656 4311782080 4554319822 4581268460 4611969440 4877066896 4900217530 5358023320 5605316704 5737725760 5955648998 6031036960 6096333620 7006645880 7330029536 7503179840 7840348048 8572837312 9108639644 9162536920 9223938880 9754133792 9800435060 10716046640 11210633408 11385799555 11911297996 12062073920 12192667240 14013291760 14660059072 14889122495 15680696096 18217279288 18325073840 19508267584 19600870120 21432093280 22771599110 23822595992 24385334480 28026583520 29778244990 31361392192 36434558576 36650147680 38711718487 39201740240 42864186560 45543198220 47645191984 48770668960 56053167040 59556489980 72869117152 73300295360 77423436974 78403480480 91086396440 95290383968 97541337920 119112979960 145738234304 154846873948 156806960960 182172792880 190580767936 193558592435 238225959920 309693747896 364345585760 387117184870 476451919840 619387495792 728691171520 774234369740 952903839680 1238774991584 1548468739480 2477549983168 3096937478960 6193874957920 12387749915840
• Sum of all divisors σ(n): 34636994171136
• Sum of proper divisors (its aliquot sum) s(n): 22249244255296
• 12387749915840 is an abundant number, because the sum of its proper divisors (22249244255296) is greater than itself. Its abundance is 9861494339456

Bases of 12387749915840

• Binary: 10110100010000111111011011101110110011000000₂
• Hexadecimal: 0xB443F6EECC0
• Base-36: 4E2UQGH4W

Squares and roots of 12387749915840

• 12387749915840 squared (12387749915840²) is 153456347977393927082905600
• 12387749915840 cubed (12387749915840³) is 1900978861742075374443790943102664704000
• The square root of 12387749915840 is 3519623.5474607223
• The cube root of 12387749915840 is 23138.2660149149

Scales and comparisons

• 12,387,749,915,840 seconds is equal to 393,892 years, 6 weeks, 5 days, 3 hours, 17 minutes, 20 seconds.
• To count from 1 to 12,387,749,915,840 would take you about nine hundred eighty-four thousand, seven hundred thirty 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 12387749915840 cubic inches would be around 1928.2 feet tall.

Recreational maths with 12387749915840

• 12387749915840 backwards is 04851994778321
• 12387749915840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12387749915840's digits is 68
• More coming soon!