1991163335168

Names of 1991163335168

• Cardinal: 1991163335168 can be written as One trillion, nine hundred ninety-one billion, one hundred sixty-three million, three hundred thirty-five thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.991163335168 × 10¹²

Factors of 1991163335168

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 167

Divisors of 1991163335168

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 31 32 38 47 49 56 61 62 64 76 94 98 112 122 124 128 133 152 188 196 217 224 244 248 256 266 304 329 376 392 427 434 448 488 496 512 532 589 608 658 752 784 854 868 893 896 931 976 992 1064 1159 1178 1216 1316 1457 1504 1519 1568 1708 1736 1786 1792 1862 1891 1952 1984 2128 2209 2303 2318 2356 2432 2632 2867 2914 2989 3008 3038 3136 3416 3472 3572 3584 3724 3782 3904 3968 4123 4256 4418 4606 4636 4712 4864 5264 5734 5828 5978 6016 6076 6251 6272 6832 6944 7144 7448 7564 7808 7936 8113 8246 8512 8836 9212 9272 9424 9728 10199 10528 11468 11656 11956 12032 12152 12502 12544 13237 13664 13888 14288 14896 15128 15463 15616 15872 16226 16492 17024 17672 18424 18544 18848 20069 20398 21056 22936 23312 23912 24064 24304 25004 25088 26474 27328 27683 27776 28576 28861 29792 30256 30926 31232 32452 32984 34048 35344 35929 36848 37088 37696 40138 40796 41971 42112 43757 45872 46624 47824 48608 50008 52948 54473 54656 55366 55552 56791 57152 57722 59584 60512 61852 64904 65968 68096 68479 70688 71393 71858 73696 74176 75392 80276 81592 83942 84224 87514 88877 91744 92659 93248 95648 97216 100016 105896 108241 108946 109312 110732 111104 113582 114304 115444 119168 121024 123704 129808 131936 134749 136958 140483 141376 142786 143716 147392 148352 150784 160552 163184 167884 168448 175028 177754 183488 185318 186496 191296 193781 194432 200032 211792 216482 217892 218624 221464 227164 228608 230888 238336 242048 247408 251503 259616 263872 269498 273916 280966 282752 285572 287432 293797 294784 296704 301568 321104 326368 335768 350056 355508 366976 370636 372992 381311 382592 387562 388864 400064 423584 432964 435784 442928 454328 457216 461776 476672 479353 484096 494816 503006 519232 527744 538996 547832 561932 565504 571144 574864 587594 589568 593408 622139 642208 652736 671536 700112 711016 733952 741272 745984 762622 765184 775124 777728 800128 847168 865928 871568 885856 908656 923552 943243 958706 968192 989632 1006012 1038464 1055488 1077992 1095664 1123864 1131008 1142288 1149728 1175188 1179136 1244278 1284416 1301101 1305472 1343072 1356467 1400224 1422032 1467904 1482544 1525244 1530368 1550248 1600256 1688663 1694336 1731856 1743136 1760521 1771712 1817312 1847104 1886486 1917412 1979264 2012024 2056579 2076928 2110976 2155984 2191328 2247728 2284576 2299456 2350376 2488556 2560231 2568832 2602202 2610944 2669177 2686144 2712934 2800448 2844064 2965088 3050488 3100496 3200512 3355471 3377326 3388672 3463712 3486272 3521042 3543424 3634624 3694208 3772972 3834824 3958528 4024048 4113158 4153856 4177219 4311968 4354973 4382656 4495456 4569152 4598912 4700752 4977112 5120462 5137664 5204404 5221888 5338354 5372288 5425868 5600896 5688128 5930176 6100976 6200992 6602701 6710942 6754652 6777344 6927424 6972544 7042084 7086848 7269248 7388416 7545944 7669648 7917056 8048096 8226316 8354438 8623936 8709946 8765312 8990912 9107707 9138304 9197824 9401504 9954224 10240924 10275328 10408808 10676708 10744576 10851736 11201792 11376256 11820641 11860352 12201952 12401984 13205402 13421884 13509304 13854848 13945088 14084168 14173696 14538496 14776832 15091888 15339296 16096192 16452632 16708876 17247872 17419892 17530624 17921617 17981824 18215414 18276608 18395648 18803008 19908448 20481848 20817616 21353416 21489152 21703472 22403584 22752512 23641282 23720704 24403904 24803968 26410804 26843768 27018608 27709696 27890176 28168336 29076992 29240533 30183776 30678592 32192384 32905264 33417752 34495744 34839784 35061248 35843234 35963648 36430828 36553216 37606016 39816896 40963696 41635232 42706832 43406944 45505024 47282564 47441408 48807808 49607936 52821608 53687536 54037216 55419392 56336672 58481066 60367552 61357184 63753949 64384768 65810528 66835504 68991488 69679568 71686468 71927296 72861656 75212032 79367161 79633792 81927392 82744487 83270464 85413664 86813888 94565128 97615616 99215872 105643216 107375072 108074432 112673344 116962132 120735104 122714368 125451319 127507898 128769536 131621056 133671008 139359136 143372936 145723312 150424064 158734322 159267584 163854784 165488974 166540928 170827328 173627776 189130256 195231232 204683731 211286432 214750144 216148864 225346688 233924264 241470208 245428736 250902638 255015796 263242112 267342016 278718272 286745872 291446624 317468644 318535168 327709568 330977948 333081856 341654656 347255552 378260512 409367462 422572864 429500288 432297728 450693376 467848528 482940416 501805276 510031592 526484224 534684032 555570127 557436544 573491744 582893248 634937288 655419136 661955896 666163712 683309312 694511104 756521024 818734924 845145728 859000576 864595456 901386752 935697056 1003610552 1020063184 1052968448 1069368064 1111140254 1114873088 1146983488 1165786496 1269874576 1310838272 1323911792 1366618624 1513042048 1637469848 1690291456 1718001152 1871394112 2007221104 2040126368 2138736128 2222280508 2229746176 2293966976 2331572992 2539749152 2647823584 3026084096 3274939696 3380582912 3742788224 3888990889 4014442208 4080252736 4444561016 4587933952 4663145984 5079498304 5295647168 6052168192 6549879392 7485576448 7777981778 8028884416 8160505472 8889122032 9175867904 10158996608 10591294336 13099758784 14971152896 15555963556 16057768832 16321010944 17778244064 20317993216 21182588672 26199517568 31111927112 32115537664 32642021888 35556488128 40635986432 42365177344 52399035136 62223854224 64231075328 71112976256 104798070272 124447708448 142225952512 248895416896 284451905024 497790833792 995581667584 1991163335168
• Sum of all divisors σ(n): 5222202543360
• Sum of proper divisors (its aliquot sum) s(n): 3231039208192
• 1991163335168 is an abundant number, because the sum of its proper divisors (3231039208192) is greater than itself. Its abundance is 1239875873024

Bases of 1991163335168

• Binary: 11100111110011010100101010101001000000000₂
• Hexadecimal: 0x1CF9A955200
• Base-36: PEQ78MBK

Squares and roots of 1991163335168

• 1991163335168 squared (1991163335168²) is 3964731427317353105588224
• 1991163335168 cubed (1991163335168³) is 7894427851862605792884970558305861632
• The square root of 1991163335168 is 1411085.8709405319
• The cube root of 1991163335168 is 12580.6272696677

Scales and comparisons

• 1,991,163,335,168 seconds is equal to 63,312 years, 43 weeks, 2 days, 22 hours, 26 minutes, 8 seconds.
• To count from 1 to 1,991,163,335,168 would take you about one hundred fifty-eight thousand, two hundred eighty-two 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 1991163335168 cubic inches would be around 1048.4 feet tall.

Recreational maths with 1991163335168

• 1991163335168 backwards is 8615333611991
• 1991163335168 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1991163335168's digits is 56
• More coming soon!