1978768732348373904

Names of 1978768732348373904

• Cardinal: 1978768732348373904 can be written as One quintillion, nine hundred seventy-eight quadrillion, seven hundred sixty-eight trillion, seven hundred thirty-two billion, three hundred forty-eight million, three hundred seventy-three thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.978768732348373904 × 10¹⁸

Factors of 1978768732348373904

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 406

Divisors of 1978768732348373904

• Number of divisors d(n): 375
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 401 432 486 648 729 802 972 1203 1296 1458 1604 1944 2187 2406 2916 3208 3609 3888 4374 4812 5832 6416 6561 7218 8748 9624 10827 11664 13122 14436 17496 19248 19683 21654 26244 28872 32481 34992 39366 43308 52488 57744 59049 64962 78732 86616 97443 104976 118098 129924 157464 160801 173232 177147 194886 236196 259848 292329 314928 321602 354294 389772 472392 482403 519696 531441 584658 643204 708588 779544 876987 944784 964806 1062882 1169316 1286408 1417176 1447209 1559088 1594323 1753974 1929612 2125764 2338632 2572816 2630961 2834352 2894418 3188646 3507948 3859224 4251528 4341627 4677264 4782969 5261922 5788836 6377292 7015896 7718448 7892883 8503056 8683254 9565938 10523844 11577672 12754584 13024881 14031792 15785766 17366508 19131876 21047688 23155344 23678649 25509168 26049762 31571532 34733016 38263752 39074643 42095376 47357298 52099524 63143064 64481201 69466032 71035947 76527504 78149286 94714596 104199048 117223929 126286128 128962402 142071894 156298572 189429192 193443603 208398096 213107841 234447858 257924804 284143788 312597144 351671787 378858384 386887206 426215682 468895716 515849608 568287576 580330809 625194288 639323523 703343574 773774412 852431364 937791432 1031699216 1055015361 1136575152 1160661618 1278647046 1406687148 1547548824 1704862728 1740992427 1875582864 1917970569 2110030722 2321323236 2557294092 2813374296 3095097648 3165046083 3409725456 3481984854 3835941138 4220061444 4642646472 5114588184 5222977281 5626748592 6330092166 6963969708 7671882276 8440122888 9285292944 9495138249 10229176368 10445954562 12660184332 13927939416 15343764552 15668931843 16880245776 18990276498 20891909124 25320368664 25856961601 27855878832 28485414747 30687529104 31337863686 37980552996 41783818248 47006795529 50640737328 51713923202 56970829494 62675727372 75961105992 77570884803 83567636496 85456244241 94013591058 103427846404 113941658988 125351454744 141020386587 151922211984 155141769606 170912488482 188027182116 206855692808 227883317976 232712654409 250702909488 256368732723 282040773174 310283539212 341824976964 376054364232 413711385616 423061159761 455766635952 465425308818 512737465446 564081546348 620567078424 683649953928 698137963227 752108728464 769106198169 846122319522 930850617636 1025474930892 1128163092696 1241134156848 1269183479283 1367299907856 1396275926454 1538212396338 1692244639044 1861701235272 2050949861784 2094413889681 2256326185392 2538366958566 2792551852908 3076424792676 3384489278088 3723402470544 3807550437849 4101899723568 4188827779362 5076733917132 5585103705816 6152849585352 6283241669043 6768978556176 7615100875698 8377655558724 10153467834264 11170207411632 11422651313547 12305699170704 12566483338086 15230201751396 16755311117448 18849725007129 20306935668528 22845302627094 25132966676172 30460403502792 33510622234896 34267953940641 37699450014258 45690605254188 50265933352344 56549175021387 60920807005584 68535907881282 75398900028516 91381210508376 100531866704688 102803861821923 113098350042774 137071815762564 150797800057032 169647525064161 182762421016752 205607723643846 226196700085548 274143631525128 301595600114064 308411585465769 339295050128322 411215447287692 452393400171096 508942575192483 548287263050256 616823170931538 678590100256644 822430894575384 904786800342192 1017885150384966 1233646341863076 1357180200513288 1526827725577449 1644861789150768 2035770300769932 2467292683726152 2714360401026576 3053655451154898 4071540601539864 4580483176732347 4934585367452304 6107310902309796 8143081203079728 9160966353464694 12214621804619592 13741449530197041 18321932706929388 24429243609239184 27482899060394082 36643865413858776 41224348590591123 54965798120788164 73287730827717552 82448697181182246 109931596241576328 123673045771773369 164897394362364492 219863192483152656 247346091543546738 329794788724728984 494692183087093476 659589577449457968 989384366174186952 1978768732348373904
• Sum of all divisors σ(n): 5765173218173012215
• Sum of proper divisors (its aliquot sum) s(n): 3786404485824638311
• 1978768732348373904 is an abundant number, because the sum of its proper divisors (3786404485824638311) is greater than itself. Its abundance is 1807635753476264407

Bases of 1978768732348373904

• Binary: 1101101110101111111111010110110011000010001100101101110010000₂
• Hexadecimal: 0x1B75FFAD98465B90
• Base-36: F17QZ2A9K900

Squares and roots of 1978768732348373904

• 1978768732348373904 squared (1978768732348373904²) is 3915525696119590600681303832988201216
• 1978768732348373904 cubed (1978768732348373904³) is 7747919818188046586238761350149853567253441755555467264
• 1978768732348373904 is a perfect square number. Its square root is 1406687148
• The cube root of 1978768732348373904 is 1255446.8935067997

Scales and comparisons

• 1,978,768,732,348,373,904 seconds is equal to 62,918,724,955 years, 5 weeks, 6 days, 17 hours, 38 minutes, 24 seconds.
• To count from 1 to 1,978,768,732,348,373,904 would take you about two hundred twenty billion, two hundred fifteen million, five hundred thirty-seven thousand, three hundred forty-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 1978768732348373904 cubic inches would be around 104620.6 feet tall.

Recreational maths with 1978768732348373904

• 1978768732348373904 backwards is 4093738432378678791
• The number of decimal digits it has is: 19
• The sum of 1978768732348373904's digits is 99
• More coming soon!