1991180940672

Names of 1991180940672

• Cardinal: 1991180940672 can be written as One trillion, nine hundred ninety-one billion, one hundred eighty million, nine hundred forty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.991180940672 × 10¹²

Factors of 1991180940672

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 66

Divisors of 1991180940672

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 43 44 48 49 56 64 66 77 84 86 88 96 98 112 121 128 129 132 147 154 168 172 176 192 196 224 231 242 258 264 294 301 308 336 344 352 363 384 392 448 462 473 484 516 528 539 588 602 616 672 688 704 726 784 847 896 903 924 946 968 1032 1056 1078 1176 1204 1232 1331 1344 1376 1408 1419 1452 1568 1617 1694 1806 1848 1849 1892 1936 2064 2107 2112 2156 2352 2408 2464 2541 2662 2688 2752 2838 2904 3136 3234 3311 3388 3612 3696 3698 3784 3872 3993 4128 4214 4224 4312 4704 4816 4928 5082 5203 5324 5504 5547 5676 5808 5929 6272 6321 6468 6622 6776 7224 7392 7396 7568 7744 7986 8256 8428 8624 9317 9408 9632 9856 9933 10164 10406 10648 11094 11352 11616 11858 12642 12936 12943 13244 13552 14448 14784 14792 15136 15488 15609 15972 16512 16856 17248 17787 18634 18816 19264 19866 20328 20339 20812 21296 22188 22704 23177 23232 23716 25284 25872 25886 26488 27104 27951 28896 29568 29584 30272 31218 31944 33712 34496 35574 36421 37268 38528 38829 39732 40656 40678 41624 42592 44376 45408 46354 46464 47432 50568 51744 51772 52976 54208 55902 57233 57792 59168 60544 61017 62436 63888 65219 67424 68992 69531 71148 72842 74536 77658 79464 79507 81312 81356 83248 85184 88752 90601 90816 92708 94864 101136 103488 103544 105952 108416 109263 111804 114466 115584 118336 122034 124872 127776 130438 134848 139062 142296 142373 145684 149072 155316 158928 159014 162624 162712 166496 170368 171699 177504 181202 181632 185416 189728 195657 202272 206976 207088 211904 218526 223608 223729 228932 236672 238521 244068 249744 254947 255552 260876 269696 271803 278124 284592 284746 291368 298144 310632 317856 318028 325248 325424 332992 343398 355008 362404 370832 379456 391314 400631 404544 414176 423808 427119 437052 447216 447458 457864 477042 488136 499488 509894 511104 521752 543606 556248 556549 569184 569492 582736 596288 621264 635712 636056 650848 665984 671187 686796 710016 724808 741664 758912 764841 782628 801262 809088 828352 854238 874104 874577 894432 894916 915728 954084 976272 996611 998976 1019788 1043504 1087212 1112496 1113098 1138368 1138984 1165472 1192576 1201893 1242528 1271424 1272112 1301696 1342374 1373592 1449616 1483328 1529682 1565256 1566103 1602524 1656704 1669647 1708476 1748208 1749154 1788864 1789832 1831456 1908168 1952544 1993222 1997952 2039576 2087008 2174424 2224992 2226196 2276736 2277968 2330944 2403786 2461019 2485056 2544224 2603392 2623731 2684748 2747184 2804417 2899232 2966656 2989833 3059364 3130512 3132206 3205048 3339294 3416952 3496416 3498308 3577728 3579664 3662912 3816336 3895843 3905088 3986444 4079152 4174016 4348848 4449984 4452392 4555936 4661888 4698309 4807572 4922038 4970112 5088448 5247462 5369496 5494368 5608834 5798464 5979666 6118728 6122039 6261024 6264412 6410096 6678588 6833904 6992832 6996616 7159328 7325824 7383057 7632672 7791686 7810176 7972888 8158304 8348032 8413251 8697696 8899968 8904784 9111872 9396618 9615144 9620347 9844076 10176896 10494924 10738992 10962721 10988736 11217668 11596928 11687529 11959332 12237456 12244078 12522048 12528824 12820192 13357176 13667808 13985664 13993232 14318656 14766114 15265344 15583372 15945776 16316608 16826502 17227133 17395392 17809568 18223744 18366117 18793236 19230288 19240694 19688152 20989848 21477984 21925442 21977472 22435336 23375058 23918664 24474912 24488156 25044096 25057648 25640384 26714352 27335616 27986464 28637312 28861041 29532228 30530688 31166744 31891552 32633216 32888163 33653004 34454266 34790784 35619136 36732234 37586472 38460576 38481388 39376304 41979696 42854273 42955968 43850884 44870672 46750116 47837328 48949824 48976312 50115296 51280768 51681399 53428704 54671232 55972928 57722082 59064456 62333488 63783104 65776326 67306008 67342429 68908532 71238272 73464468 75172944 76921152 76962776 78752608 83959392 85708546 85911936 87701768 89741344 93500232 95674656 97899648 97952624 100230592 103362798 105823817 106857408 111945856 115444164 118128912 120589931 124666976 127566208 128562819 131552652 134612016 134684858 137817064 146928936 150345888 153842304 153925552 157505216 167918784 171417092 175403536 179482688 187000464 191349312 195905248 200461184 202027287 206725596 211647634 213714816 230888328 236257824 241179862 249333952 257125638 263105304 269224032 269369716 275634128 293857872 300691776 307851104 315010432 317471451 335837568 342834184 350807072 358965376 361769793 374000928 382698624 391810496 404054574 413451192 423295268 461776656 471397003 472515648 482359724 498667904 514251276 526210608 538448064 538739432 551268256 587715744 601383552 615702208 634942902 685668368 701614144 723539586 740766719 748001856 783620992 808109148 826902384 846590536 923553312 942794006 945031296 964719448 1028502552 1052421216 1076896128 1077478864 1102536512 1175431488 1231404416 1269885804 1371336736 1403228288 1414191009 1447079172 1481533438 1496003712 1616218296 1653804768 1693181072 1847106624 1885588012 1929438896 2057005104 2104842432 2154957728 2205073024 2222300157 2350862976 2539771608 2742673472 2828382018 2894158344 2963066876 3232436592 3307609536 3386362144 3694213248 3771176024 3858877792 4114010208 4209684864 4309915456 4444600314 5079543216 5185367033 5485346944 5656764036 5788316688 5926133752 6464873184 6615219072 6772724288 7542352048 7717755584 8228020416 8619830912 8889200628 10159086432 10370734066 11313528072 11576633376 11852267504 12929746368 13545448576 15084704096 15435511168 15556101099 16456040832 17778401256 20318172864 20741468132 22627056144 23153266752 23704535008 25859492736 30169408192 31112202198 35556802512 40636345728 41482936264 45254112288 46306533504 47409070016 60338816384 62224404396 71113605024 82965872528 90508224576 94818140032 124448808792 142227210048 165931745056 181016449152 248897617584 284454420096 331863490112 497795235168 663726980224 995590470336 1991180940672
• Sum of all divisors σ(n): 6928520544000
• Sum of proper divisors (its aliquot sum) s(n): 4937339603328
• 1991180940672 is an abundant number, because the sum of its proper divisors (4937339603328) is greater than itself. Its abundance is 2946158662656

Bases of 1991180940672

• Binary: 11100111110011011101000011111010110000000₂
• Hexadecimal: 0x1CF9BA1F580
• Base-36: PEQHPYTC

Squares and roots of 1991180940672

• 1991180940672 squared (1991180940672²) is 3964801538495430783811584
• 1991180940672 cubed (1991180940672³) is 7894637256999124687683816098730344448
• The square root of 1991180940672 is 1411092.1092090339
• The cube root of 1991180940672 is 12580.6643480975

Scales and comparisons

• 1,991,180,940,672 seconds is equal to 63,313 years, 20 weeks, 3 days, 16 hours, 51 minutes, 12 seconds.
• To count from 1 to 1,991,180,940,672 would take you about one hundred fifty-eight thousand, two hundred eighty-three 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 1991180940672 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991180940672

• 1991180940672 backwards is 2760490811991
• The number of decimal digits it has is: 13
• The sum of 1991180940672's digits is 57
• More coming soon!