12681328391680

Names of 12681328391680

• Cardinal: 12681328391680 can be written as Twelve trillion, six hundred eighty-one billion, three hundred twenty-eight million, three hundred ninety-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.268132839168 × 10¹³

Factors of 12681328391680

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 390

Divisors of 12681328391680

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 29 32 40 41 43 52 58 64 65 80 82 86 104 116 128 130 145 160 164 172 205 208 215 232 256 257 260 290 320 328 344 377 410 416 430 464 512 514 520 533 559 580 640 656 688 754 820 832 841 860 928 1028 1040 1066 1118 1160 1189 1247 1280 1285 1312 1376 1508 1640 1664 1682 1720 1763 1856 1885 2056 2080 2132 2236 2320 2378 2494 2560 2570 2624 2665 2752 2795 3016 3280 3328 3341 3364 3440 3526 3712 3770 4112 4160 4205 4264 4472 4640 4756 4988 5140 5248 5330 5504 5590 5945 6032 6235 6560 6656 6682 6728 6880 7052 7424 7453 7540 8224 8320 8410 8528 8815 8944 9280 9512 9976 10280 10496 10537 10660 10933 11008 11051 11180 11890 12064 12470 13120 13364 13456 13760 14104 14848 14906 15080 15457 16211 16448 16640 16705 16820 17056 17630 17888 18560 19024 19952 20560 20992 21074 21320 21866 22016 22102 22360 22919 23780 24128 24940 26240 26728 26912 27520 28208 29812 30160 30914 32422 32896 33280 33410 33640 34112 34481 35260 35776 36163 37120 37265 38048 39904 41120 42148 42640 43732 44204 44720 45838 47560 48256 49880 51127 52480 52685 53456 53824 54665 55040 55255 56416 59624 60320 61828 64844 65792 66820 67280 68224 68962 70520 71552 72326 74240 74530 76096 77285 79808 81055 82240 84296 85280 87464 88408 89440 91676 95120 96512 96889 99760 102254 104960 105370 106912 107648 109330 110080 110510 112832 114595 119248 120640 123656 129688 131584 133640 134560 136448 136981 137924 141040 143104 143663 144652 149060 152192 154570 159616 162110 164480 168592 170560 172405 174928 176816 178880 180815 183352 190240 193024 193778 199520 204508 210740 213824 215296 216137 218660 221020 225664 229190 238496 241280 247312 255635 259376 267280 269120 272896 273962 275848 282080 286208 287326 289304 298120 304384 305573 309140 319232 320479 324220 328960 337184 341120 344810 349856 353632 357760 361630 366704 380480 387556 399040 409016 421480 427648 430592 432274 437320 442040 448253 451328 453091 458380 470119 476992 482560 484445 494624 511270 518752 534560 538240 547924 551696 564160 574652 578608 596240 608768 611146 618280 638464 640958 648440 657920 664651 674368 682240 684905 689620 699712 707264 715520 718315 723260 733408 760960 775112 798080 818032 842960 855296 864548 874640 884080 896506 902656 906182 916760 940238 953984 965120 968890 989248 1022540 1037504 1069120 1076480 1080685 1095848 1103392 1128320 1149304 1157216 1192480 1222292 1236560 1281916 1296880 1329302 1348736 1364480 1369810 1379240 1399424 1414528 1431040 1436630 1446520 1466816 1482683 1521920 1527865 1550224 1596160 1602395 1636064 1685920 1710592 1729096 1749280 1768160 1793012 1812364 1833520 1880476 1907968 1937780 1978496 2045080 2075008 2138240 2152960 2161370 2191696 2206784 2241265 2256640 2265455 2298608 2314432 2350595 2384960 2444584 2473120 2563832 2593760 2658604 2697472 2739620 2758480 2798848 2809781 2829056 2873260 2893040 2933632 2965366 3043840 3055730 3100448 3192320 3204790 3272128 3323255 3371840 3458192 3498560 3536320 3586024 3624728 3667040 3760952 3815936 3875560 3956992 3972449 4090160 4150016 4166227 4276480 4322740 4383392 4413568 4482530 4513280 4530910 4597216 4628864 4701190 4769920 4889168 4946240 5127664 5187520 5317208 5394944 5479240 5516960 5597696 5619562 5658112 5746520 5786080 5867264 5890183 5930732 6111460 6200896 6409580 6544256 6646510 6743680 6916384 6997120 7072640 7172048 7249456 7334080 7413415 7521904 7751120 7913984 7944898 8180320 8300032 8332454 8552960 8645480 8766784 8827136 8861617 8965060 9061820 9194432 9257728 9293891 9402380 9539840 9778336 9892480 10255328 10375040 10634416 10958480 11033920 11239124 11493040 11572160 11734528 11780366 11861464 12222920 12401792 12819160 13088512 13139639 13293020 13487360 13832768 13994240 14048905 14145280 14344096 14498912 14668160 14826830 15043808 15502240 15889796 16360640 16664908 17290960 17533568 17654272 17723234 17930120 18123640 18388864 18515456 18587782 18804760 19079680 19274879 19556672 19784960 19862245 20510656 20750080 20831135 21268832 21916960 22067840 22478248 22986080 23144320 23560732 23722928 24445840 24803584 25638320 26177024 26279278 26586040 26974720 27665536 27988480 28097810 28290560 28688192 28997824 29336320 29450915 29653660 30087616 31004480 31779592 32721280 33329816 34581920 35067136 35446468 35860240 36247280 36777728 37175564 37609520 38549758 39113344 39569920 39724490 41021312 41500160 41662270 42537664 43833920 44135680 44308085 44956496 45972160 46288640 46469455 47121464 47445856 48891680 49607168 51276640 52558556 53172080 55331072 56195620 57376384 57995648 58672640 58901830 59307320 60175232 62008960 63559184 65442560 65698195 66659632 69163840 70134272 70892936 71720480 72494560 73555456 74351128 75219040 77099516 78226688 79448980 82042624 83324540 85075328 87667840 88271360 88616170 89912992 91944320 92577280 92938910 94242928 94891712 96374395 97783360 102553280 105117112 106344160 110662144 112391240 114752768 115201021 115991296 117803660 118614640 120350464 120820583 124017920 127118368 130885120 131396390 133319264 138327680 141785872 143440960 144989120 148702256 150438080 154199032 156453376 158897960 164085248 166649080 170150656 170815307 175335680 177232340 179825984 183888640 185877820 188485856 189783424 192748790 195566720 205106560 210234224 212688320 224782480 229505536 230402042 231982592 235607320 237229280 240700928 241641166 248035840 254236736 262792780 266638528 276655360 283571744 286881920 289978240 297404512 300876160 308398064 317795920 333298160 340301312 341630614 350671360 354464680 359651968 367777280 371755640 376971712 379566848 381049531 385497580 391133440 410213120 420468448 425376640 449564960 460804084 471214640 474458560 483282332 508473472 525585560 533277056 553310720 567143488 573763840 576005105 579956480 594809024 601752320 604102915 616796128 635591840 666596320 683261228 708929360 719303936 743511280 753943424 759133696 762099062 770995160 782266880 820426240 840936896 850753280 854076535 899129920 921608168 942429280 948917120 966564664 1016946944 1051171120 1066554112 1134286976 1147527680 1152010210 1159912960 1189618048 1203504640 1208205830 1233592256 1271183680 1333192640 1366522456 1417858720 1438607872 1487022560 1507886848 1524198124 1541990320 1681873792 1701506560 1708153070 1798259840 1843216336 1884858560 1897834240 1905247655 1933129328 2033893888 2102342240 2133108224 2268573952 2304020420 2379236096 2416411660 2467184512 2542367360 2666385280 2733044912 2835717440 2974045120 3015773696 3048396248 3083980640 3363747584 3416306140 3596519680 3686432672 3769717120 3795668480 3810495310 3866258656 4204684480 4537147904 4608040840 4758472192 4832823320 4934369024 4953643903 5084734720 5332770560 5466089824 5671434880 5948090240 6096792496 6167961280 6727495168 6832612280 7193039360 7372865344 7539434240 7620990620 7732517312 8409368960 9216081680 9665646640 9868738048 9907287806 10169469440 10665541120 10932179648 11342869760 11896180480 12193584992 12335922560 13665224560 14745730688 15078868480 15241981240 15465034624 16818737920 18432163360 19331293280 19814575612 21864359296 22685739520 23792360960 24387169984 24671845120 24768219515 27330449120 29491461376 30483962480 30930069248 33637475840 36864326720 38662586560 39629151224 43728718592 48774339968 49343690240 49536439030 54660898240 58982922752 60967924960 61860138496 73728653440 77325173120 79258302448 87457437184 97548679936 99072878060 109321796480 121935849920 147457306880 154650346240 158516604896 195097359872 198145756120 218643592960 243871699840 294914613760 309300692480 317033209792 396291512240 437287185920 487743399680 634066419584 792583024480 975486799360 1268132839168 1585166048960 2536265678336 3170332097920 6340664195840 12681328391680
• Sum of all divisors σ(n): 35685743341248
• Sum of proper divisors (its aliquot sum) s(n): 23004414949568
• 12681328391680 is an abundant number, because the sum of its proper divisors (23004414949568) is greater than itself. Its abundance is 10323086557888

Bases of 12681328391680

• Binary: 10111000100010011010000100101111011000000000₂
• Hexadecimal: 0xB889A12F600
• Base-36: 4HTPZI2V4

Squares and roots of 12681328391680

• 12681328391680 squared (12681328391680²) is 160816089777629255493222400
• 12681328391680 cubed (12681328391680³) is 2039361645136009695407181822932549632000
• The square root of 12681328391680 is 3561085.2828428583
• The cube root of 12681328391680 is 23319.6261119441

Scales and comparisons

• 12,681,328,391,680 seconds is equal to 403,227 years, 6 days, 3 hours, 54 minutes, 40 seconds.
• To count from 1 to 12,681,328,391,680 would take you about one million, eight thousand and sixty-seven 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 12681328391680 cubic inches would be around 1943.3 feet tall.

Recreational maths with 12681328391680

• 12681328391680 backwards is 08619382318621
• 12681328391680 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12681328391680's digits is 58
• More coming soon!