491371978856868

Names of 491371978856868

• Cardinal: 491371978856868 can be written as Four hundred ninety-one trillion, three hundred seventy-one billion, nine hundred seventy-eight million, eight hundred fifty-six thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 4.91371978856868 × 10¹⁴

Factors of 491371978856868

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5322

Divisors of 491371978856868

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 27 29 34 36 51 54 58 68 81 87 102 108 116 153 162 174 204 243 257 261 281 306 324 348 459 486 493 514 522 562 612 729 771 783 843 918 972 986 1028 1044 1124 1377 1458 1479 1542 1566 1686 1836 1972 2313 2349 2529 2754 2916 2958 3084 3132 3372 4131 4369 4437 4626 4698 4733 4777 5058 5508 5916 6939 7047 7453 7587 8149 8262 8738 8874 9252 9396 9466 9554 10116 12393 13107 13311 13878 14094 14199 14331 14906 15174 16298 16524 17476 17748 18932 19108 20817 21141 22359 22761 24447 24786 26214 26622 27756 28188 28398 28662 29812 30348 32596 39321 39933 41634 42282 42597 42993 44718 45522 48894 49572 52428 53244 56796 57324 62451 67077 68283 72217 73341 78642 79866 80461 83268 84564 85194 85986 89436 91044 97788 117963 119799 124902 126701 127791 128979 134154 136566 137257 138533 144434 146682 157284 159732 160922 170388 171972 187353 201231 204849 216651 220023 235926 239598 241383 249804 253402 255582 257958 268308 273132 274514 277066 288868 293364 321844 353889 359397 374706 380103 383373 386937 402462 409698 411771 415599 433302 440046 471852 479196 482766 506804 511164 515916 549028 554132 603693 649953 660069 707778 718794 724149 749412 760206 766746 773874 804924 819396 823542 831198 866604 880092 965532 1061667 1140309 1150119 1160811 1207386 1216381 1227689 1235313 1246797 1299906 1320138 1329973 1415556 1437588 1448298 1520412 1533492 1547748 1647084 1662396 1811079 1949859 1980207 2094293 2123334 2172447 2280618 2300238 2321622 2333369 2414772 2432762 2455378 2470626 2493594 2599812 2640276 2659946 2896596 3185001 3420927 3450357 3482433 3622158 3649143 3683067 3705939 3740391 3899718 3960414 3989919 4188586 4246668 4344894 4561236 4600476 4643244 4666738 4865524 4910756 4941252 4987188 5319892 5433237 5849577 5940621 6282879 6370002 6517341 6841854 6900714 6964866 7000107 7244316 7298286 7366134 7411878 7480782 7799436 7920828 7979838 8377172 8689788 9333476 10262781 10866474 10947429 11049201 11117817 11221173 11699154 11881242 11969757 12565758 12740004 13034682 13683708 13801428 13929732 14000214 14596572 14732268 14823756 14961564 15959676 17548731 18848637 19552023 20525562 20678477 21000321 21732948 21894858 22098402 22235634 22442346 22609541 23398308 23762484 23939514 25131516 26069364 28000428 30788343 32842287 33147603 33353451 33663519 35097462 35275049 35602981 35909271 37697274 38569217 39104046 41051124 41356954 42000642 43789716 44196804 44471268 44884692 45219082 47879028 52646193 56545911 58656069 61576686 62035431 63000963 65684574 66295206 66706902 67327038 67828623 70194924 70550098 71205962 71818542 75394548 77138434 78208092 82713908 84001284 90438164 92365029 98526861 99442809 100060353 100990557 105292386 105825147 106808943 107727813 113091822 115707651 117312138 123153372 124070862 126001926 131369148 132590412 133413804 134654076 135657246 141100196 142411924 143637084 154276868 169637733 184730058 186106293 189002889 197053722 198885618 200120706 201981114 203485869 210584772 211650294 213617886 215455626 226183644 231415302 234624276 248141724 252003852 271314492 295580583 298328427 317475441 320426829 323183439 339275466 341803061 347122953 369460116 372212586 378005778 394107444 397771236 400241412 403962228 406971738 423300588 427235772 430911252 462830604 508913199 558318879 567008667 591161166 596656854 599675833 610457607 634950882 640853658 646366878 655676689 678550932 683606122 694245906 744425172 756011556 813943476 886741749 894985281 952426323 961280487 969550317 1017826398 1025409183 1041368859 1116637758 1134017334 1182322332 1193313708 1199351666 1220915214 1269901764 1281707316 1292733756 1311353378 1367212244 1388491812 1526739597 1674956637 1701026001 1773483498 1789970562 1799027499 1831372821 1904852646 1922560974 1939100634 1967030067 2035652796 2050818366 2082737718 2233275516 2268034668 2398703332 2441830428 2622706756 2857278969 2883841461 3053479194 3076227549 3124106577 3349913274 3402052002 3546966996 3579941124 3598054998 3662745642 3809705292 3845121948 3878201268 3934060134 4101636732 4165475436 5024869911 5397082497 5494118463 5714557938 5767682922 5810652037 5901090201 6106958388 6152455098 6248213154 6699826548 6804104004 7196109996 7325491284 7868120268 8571836907 8651524383 9228682647 9372319731 9912288769 10049739822 10794164994 10988236926 11429115876 11535365844 11621304074 11802180402 12304910196 12496426308 15074609733 16191247491 16482355389 17143673814 17303048766 17431956111 17703270603 18457365294 18744639462 19824577538 20099479644 21588329988 21976473852 23242608148 23604360804 25715510721 25954573149 27686047941 28116959193 29736866307 30149219466 32382494982 32964710778 34287347628 34606097532 34863912222 35406541206 36914730588 37489278924 39649155076 48573742473 51431021442 51909146298 52295868333 53109811809 55372095882 56233918386 59473732614 60298438932 64764989964 65929421556 69727824444 70813082412 83058143823 89210598921 97147484946 102862042884 103818292596 104591736666 106219623618 110744191764 112467836772 118947465228 145721227419 156887604999 159329435427 166116287646 168508909073 178421197842 194294969892 209183473332 212439247236 249174431469 267631796763 291442454838 313775209998 318658870854 332232575292 337017818146 356842395684 437163682257 470662814997 477988306281 498348862938 505526727219 535263593526 582884909676 627550419996 637317741708 674035636292 802895390289 874327364514 941325629994 955976612562 996697725876 1011053454438 1070527187052 1411988444991 1516580181657 1605790780578 1748654729028 1882651259988 1911953225124 2022106908876 2408686170867 2823976889982 3033160363314 3211581561156 4235965334973 4549740544971 4817372341734 5647953779964 6066320726628 7226058512601 8471930669946 9099481089942 9634744683468 13649221634913 14452117025202 16943861339892 18198962179884 27298443269826 28904234050404 40947664904739 54596886539652 81895329809478 122842994714217 163790659618956 245685989428434 491371978856868
• Sum of all divisors σ(n): 1423013530952160
• Sum of proper divisors (its aliquot sum) s(n): 931641552095292
• 491371978856868 is an abundant number, because the sum of its proper divisors (931641552095292) is greater than itself. Its abundance is 440269573238424

Bases of 491371978856868

• Binary: 1101111101110011001110100010000001001100110100100₂
• Hexadecimal: 0x1BEE6744099A4
• Base-36: 4U6D65D290

Squares and roots of 491371978856868

• 491371978856868 squared (491371978856868²) is 241446421605714332824030769424
• 491371978856868 cubed (491371978856868³) is 118640005972309500211139554042994398006804032
• The square root of 491371978856868 is 22166911.8024335541
• The cube root of 491371978856868 is 78910.8634579663

Scales and comparisons

• 491,371,978,856,868 seconds is equal to 15,624,109 years, 5 days, 5 hours, 7 minutes, 48 seconds.
• To count from 1 to 491,371,978,856,868 would take you about thirty-nine million, sixty thousand, two hundred seventy-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 491371978856868 cubic inches would be around 6575.9 feet tall.

Recreational maths with 491371978856868

• 491371978856868 backwards is 868658879173194
• The number of decimal digits it has is: 15
• The sum of 491371978856868's digits is 90
• More coming soon!