668379908672

Names of 668379908672

• Cardinal: 668379908672 can be written as Six hundred sixty-eight billion, three hundred seventy-nine million, nine hundred eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 6.68379908672 × 10¹¹

Factors of 668379908672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 187

Divisors of 668379908672

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 37 41 56 64 68 74 82 83 112 119 136 148 164 166 224 238 259 272 287 289 296 328 332 448 476 518 544 574 578 581 592 629 656 664 697 952 1036 1088 1148 1156 1162 1184 1258 1312 1328 1394 1411 1517 1681 1904 2023 2072 2296 2312 2324 2368 2516 2624 2656 2788 2822 3034 3071 3362 3403 3808 4046 4144 4403 4592 4624 4648 4879 5032 5312 5576 5644 6068 6142 6724 6806 7616 8092 8288 8806 9184 9248 9296 9758 9877 10064 10619 10693 11152 11288 11767 11849 12136 12284 13448 13612 16184 16576 17612 18368 18496 18592 19516 19754 20128 21238 21386 21497 22304 22576 23534 23698 23821 23987 24272 24568 25789 26896 27224 28577 32368 35224 37184 39032 39508 40256 42476 42772 42994 44608 45152 47068 47396 47642 47974 48544 49136 51578 52207 53792 54448 57154 57851 62197 64736 70448 74851 78064 79016 82943 84952 85544 85988 90304 94136 94792 95284 95948 97088 98272 103156 104414 107584 108896 114308 115702 124394 125911 129472 139523 140896 149702 156128 158032 165886 167909 169904 171088 171976 180523 188272 189584 190568 191896 196544 200039 206312 208828 217792 228616 231404 248788 251822 279046 281792 299404 312256 316064 331772 335818 339808 342176 343952 361046 365449 376544 379168 381136 383792 400078 404957 412624 417656 435379 438413 457232 462808 485809 497576 503644 558092 598808 632128 663544 671636 679616 684352 687904 722092 730898 753088 758336 762272 767584 800156 809914 825248 835312 870758 876826 881377 887519 914464 925616 971618 976661 983467 995152 1007288 1057349 1116184 1197616 1327088 1343272 1375808 1444184 1461796 1524544 1535168 1600312 1619828 1650496 1670624 1741516 1753652 1762754 1775038 1828928 1851232 1943236 1953322 1966934 1990304 2014576 2114698 2140487 2232368 2371891 2395232 2654176 2686544 2888368 2923592 3068891 3200624 3239656 3341248 3400663 3483032 3507304 3525508 3550076 3702464 3886472 3906644 3933868 3980608 4029152 4229396 4280974 4464736 4743782 4790464 5162351 5308352 5373088 5776736 5847184 6137782 6212633 6401248 6479312 6801326 6884269 6966064 7014608 7051016 7100152 7401443 7772944 7813288 7867736 8058304 8458792 8561948 8929472 9487564 10324702 10746176 11553472 11694368 12275564 12425266 12802496 12958624 13602652 13768538 13932128 14029216 14102032 14200304 14802886 14983409 15545888 15626576 15735472 16603237 16917584 17123896 17974933 18975128 20649404 23388736 24551128 24850532 25917248 27205304 27537076 27864256 28058432 28204064 28400608 29605772 29966818 31091776 31253152 31470944 33206474 33835168 34247792 35949866 36136457 36388279 37950256 40322147 41298808 49102256 49701064 54410608 55074152 56408128 56801216 59211544 59933636 62506304 62941888 66412948 67670336 68495584 71899732 72272914 72776558 75900512 80644294 82597616 87759967 98204512 99402128 108821216 110148304 118423088 119867272 125824531 132825896 136991168 143799464 144545828 145553116 151801024 161288588 165195232 175519934 196409024 198804256 217642432 220296608 236846176 239734544 251649062 254717953 265651792 282255029 287598928 289091656 291106232 322577176 330390464 351039868 397608512 440593216 473692352 479469088 503298124 509435906 531303584 564510058 575197856 578183312 582212464 614319769 645154352 702079736 958938176 1006596248 1018871812 1062607168 1129020116 1150395712 1156366624 1164424928 1228639538 1290308704 1404159472 1491919439 2013192496 2037743624 2258040232 2312733248 2328849856 2457279076 2580617408 2808318944 2983838878 4026384992 4075487248 4516080464 4914558152 5616637888 5967677756 8052769984 8150974496 9032160928 9829116304 10443436073 11935355512 16301948992 18064321856 19658232608 20886872146 23870711024 39316465216 41773744292 47741422048 83547488584 95482844096 167094977168 334189954336 668379908672
• Sum of all divisors σ(n): 1715458608192
• Sum of proper divisors (its aliquot sum) s(n): 1047078699520
• 668379908672 is an abundant number, because the sum of its proper divisors (1047078699520) is greater than itself. Its abundance is 378698790848

Bases of 668379908672

• Binary: 1001101110011110100011000000101001000000₂
• Hexadecimal: 0x9B9E8C0A40
• Base-36: 8J1S5268

Squares and roots of 668379908672

• 668379908672 squared (668379908672²) is 446731702316391060803584
• 668379908672 cubed (668379908672³) is 298586494395116548068536672850280448
• The square root of 668379908672 is 817545.0499342529
• The cube root of 668379908672 is 8743.2815199061

Scales and comparisons

• 668,379,908,672 seconds is equal to 21,252 years, 21 weeks, 3 days, 13 hours, 44 minutes, 32 seconds.
• To count from 1 to 668,379,908,672 would take you about forty-two thousand, five hundred four 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 668379908672 cubic inches would be around 728.6 feet tall.

Recreational maths with 668379908672

• 668379908672 backwards is 276809973866
• The number of decimal digits it has is: 12
• The sum of 668379908672's digits is 71
• More coming soon!