1991129667072

Names of 1991129667072

• Cardinal: 1991129667072 can be written as One trillion, nine hundred ninety-one billion, one hundred twenty-nine million, six hundred sixty-seven thousand and seventy-two.

Scientific notation

• Scientific notation: 1.991129667072 × 10¹²

Factors of 1991129667072

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 616

Divisors of 1991129667072

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 49 52 56 61 64 73 78 84 91 96 98 104 112 122 128 146 147 156 168 182 183 192 196 208 219 224 244 256 273 292 294 312 336 364 366 384 392 416 427 438 448 457 488 511 512 546 584 588 624 637 672 728 732 768 784 793 832 854 876 896 914 949 976 1022 1092 1168 1176 1248 1274 1281 1344 1371 1456 1464 1533 1536 1568 1586 1664 1708 1752 1792 1828 1898 1911 1952 2044 2184 2336 2352 2379 2496 2548 2562 2688 2742 2847 2912 2928 2989 3066 3136 3172 3199 3328 3416 3504 3577 3584 3656 3796 3822 3904 4088 4368 4453 4672 4704 4758 4992 5096 5124 5376 5484 5551 5694 5824 5856 5941 5978 6132 6272 6344 6398 6643 6656 6832 7008 7154 7312 7592 7644 7808 8176 8736 8906 8967 9344 9408 9516 9597 9984 10192 10248 10731 10752 10968 11102 11388 11648 11712 11882 11956 12264 12544 12688 12796 13286 13359 13664 14016 14308 14624 15184 15288 15616 16352 16653 17472 17812 17823 17934 18688 18816 19032 19194 19929 19968 20384 20496 21462 21936 22204 22393 22776 23296 23424 23764 23912 24528 25088 25376 25592 26572 26718 27328 27877 28032 28616 29248 30368 30576 31171 31232 32704 33306 33361 34944 35624 35646 35868 37376 37632 38064 38388 38857 39858 40768 40992 41587 42924 43872 44408 44786 45552 46501 46592 46848 47528 47824 49056 50752 51184 53144 53436 54656 55754 56064 57232 57889 58496 60736 61152 62342 65408 66612 66722 67179 69888 71248 71292 71736 75264 76128 76776 77714 79716 81536 81984 83174 83631 85848 87744 88816 89572 91104 93002 93513 93696 95056 95648 98112 100083 101504 102368 106288 106872 109312 111508 112128 114464 115778 116571 116992 121472 122304 124684 124761 130816 133224 133444 134358 139503 139776 142496 142584 143472 152256 153552 155428 159432 163072 163968 166348 167262 171696 173667 175488 177632 179144 182208 186004 187026 190112 191296 195139 196224 200166 203008 204736 212576 213744 218197 218624 223016 228928 231556 233142 233527 233984 242944 244608 249368 249522 261632 266448 266888 268716 279006 284992 285168 286944 291109 304512 307104 310856 318864 326144 327936 332696 334524 343392 347334 350976 355264 358288 362401 364416 372008 374052 380224 382592 390278 392448 400332 405223 406016 409472 425152 427488 433693 436394 446032 457856 463112 466284 467054 485888 489216 498736 499044 532896 533776 537432 558012 569984 570336 573888 582218 585417 609024 614208 621712 637728 654591 655872 665392 669048 686784 694668 700581 701952 710528 716576 724802 728832 744016 748104 760448 765184 780556 784896 800664 810446 818944 850304 854976 867386 872788 873327 892064 915712 926224 932568 934108 978432 997472 998088 1065792 1067552 1074864 1087203 1116024 1139968 1140672 1147776 1164436 1170834 1215669 1218048 1228416 1243424 1275456 1301079 1309182 1330784 1338096 1365973 1373568 1389336 1401162 1421056 1433152 1449604 1457664 1488032 1496208 1520896 1530368 1561112 1601328 1620892 1634689 1637888 1700608 1709952 1734772 1745576 1746654 1784128 1831424 1852448 1865136 1868216 1994944 1996176 2035021 2131584 2135104 2149728 2174406 2232048 2279936 2281344 2295552 2328872 2341668 2431338 2456832 2486848 2536807 2550912 2602158 2618364 2661568 2676192 2731946 2747136 2778672 2802324 2836561 2842112 2866304 2899208 2976064 2992416 3035851 3041792 3122224 3202656 3241784 3269378 3401216 3419904 3469544 3491152 3493308 3568256 3704896 3730272 3736432 3989888 3992352 4070042 4097919 4263168 4270208 4299456 4348812 4464096 4562688 4591104 4657744 4683336 4862676 4904067 4913664 4973696 5073614 5101824 5204316 5236728 5323136 5352384 5463892 5494272 5557344 5604648 5673122 5732608 5798416 5952128 5984832 6071702 6105063 6244448 6405312 6483568 6538756 6839808 6939088 6982304 6986616 7136512 7409792 7460544 7472864 7610421 7979776 7984704 8140084 8195838 8509683 8526336 8540416 8598912 8697624 8928192 9107553 9125376 9315488 9366672 9725352 9808134 9947392 10147228 10203648 10408632 10473456 10646272 10704768 10927784 11114688 11209296 11346244 11465216 11596832 11904256 11969664 12143404 12210126 12488896 12810624 12967136 13077512 13878176 13964608 13973232 14245147 14273024 14819584 14921088 14945728 15220842 15959552 15969408 16280168 16391676 17019366 17080832 17197824 17395248 17757649 17856384 18215106 18630976 18733344 19450704 19616268 19894784 20294456 20817264 20946912 21250957 21292544 21409536 21855568 22229376 22418592 22692488 23193664 23808512 23939328 24286808 24420252 24977792 25621248 25934272 26155024 26455273 27756352 27929216 27946464 28490294 29639168 29842176 29891456 30441684 31938816 32560336 32783352 34038732 34395648 34790496 35515298 35712768 36430212 37261952 37466688 38901408 39232536 40588912 41634528 41893824 42501914 42735441 42819072 43711136 44458752 44837184 45384976 46387328 47878656 48573616 48840504 49955584 51242496 51868544 52310048 52910546 53272947 55512704 55858432 55892928 56980588 59684352 59782912 60883368 63752871 63877632 65120672 65566704 68077464 69580992 71030596 71425536 72860424 74523904 74933376 77802816 78465072 79365819 81177824 83269056 83787648 85003828 85470882 87422272 88917504 89674368 90769952 92774656 97147232 97681008 99716029 99911168 103737088 104620096 105821092 106545894 111025408 111716864 111785856 113961176 119565824 121766736 127505742 130241344 131133408 136154928 139161984 142061192 145720848 149047808 149866752 155605632 156930144 158731638 162355648 166538112 167575296 170007656 170941764 174844544 179348736 181539904 185186911 185549312 194294464 195362016 199432058 207474176 209240192 211642184 213091788 222050816 223571712 227922352 243533472 255011484 260482688 262266816 272309856 278323968 284122384 291441696 299148087 299733504 311211264 313860288 317463276 324711296 333076224 335150592 340015312 341883528 349689088 358697472 363079808 370373822 388588928 390724032 398864116 418480384 423284368 426183576 447143424 455844704 487066944 510022968 520965376 524533632 544619712 555560733 556647936 568244768 582883392 598296174 622422528 627720576 634926552 649422592 666152448 680030624 683767056 699378176 726159616 740747644 777177856 781448064 797728232 836960768 846568736 852367152 911689408 974133888 1020045936 1041930752 1049067264 1089239424 1111121466 1136489536 1165766784 1196592348 1255441152 1269853104 1296308377 1298845184 1360061248 1367534112 1452319232 1481495288 1554355712 1562896128 1595456464 1693137472 1704734304 1823378816 1948267776 2040091872 2098134528 2178478848 2222242932 2272979072 2331533568 2393184696 2510882304 2539706208 2592616754 2720122496 2735068224 2962990576 3125792256 3190912928 3386274944 3409468608 3646757632 3888925131 3896535552 4080183744 4356957696 4444485864 4545958144 4663067136 4786369392 5079412416 5185233508 5440244992 5470136448 5925981152 6381825856 6772549888 6818937216 7293515264 7777850262 8160367488 8888971728 9091916288 9572738784 10158824832 10370467016 10880489984 10940272896 11851962304 12763651712 13545099776 13637874432 15555700524 16320734976 17777943456 19145477568 20317649664 20740934032 21880545792 23703924608 25527303424 27275748864 31111401048 32641469952 35555886912 38290955136 40635299328 41481868064 47407849216 51054606848 62222802096 71111773824 76581910272 82963736128 94815698432 124445604192 142223547648 153163820544 165927472256 248891208384 284447095296 331854944512 497782416768 663709889024 995564833536 1991129667072
• Sum of all divisors σ(n): 6861631702464
• Sum of proper divisors (its aliquot sum) s(n): 4870502035392
• 1991129667072 is an abundant number, because the sum of its proper divisors (4870502035392) is greater than itself. Its abundance is 2879372368320

Bases of 1991129667072

• Binary: 11100111110011000100100111001011000000000₂
• Hexadecimal: 0x1CF98939600
• Base-36: PEPN6ZUO

Squares and roots of 1991129667072

• 1991129667072 squared (1991129667072²) is 3964597351094253561053184
• 1991129667072 cubed (1991129667072³) is 7894027403758834187912176683605557248
• The square root of 1991129667072 is 1411073.9410364007
• The cube root of 1991129667072 is 12580.5563616803

Scales and comparisons

• 1,991,129,667,072 seconds is equal to 63,311 years, 39 weeks, 5 days, 6 hours, 11 minutes, 12 seconds.
• To count from 1 to 1,991,129,667,072 would take you about one hundred fifty-eight thousand, two hundred seventy-nine 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 1991129667072 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991129667072

• 1991129667072 backwards is 2707669211991
• The number of decimal digits it has is: 13
• The sum of 1991129667072's digits is 60
• More coming soon!