668697390066816

Names of 668697390066816

• Cardinal: 668697390066816 can be written as Six hundred sixty-eight trillion, six hundred ninety-seven billion, three hundred ninety million, sixty-six thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 6.68697390066816 × 10¹⁴

Factors of 668697390066816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 5371

Divisors of 668697390066816

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 121 128 132 144 176 192 198 242 264 288 352 363 384 396 484 528 576 704 726 792 968 1056 1089 1093 1152 1408 1452 1584 1741 1936 2112 2178 2186 2521 2904 3168 3279 3482 3872 4224 4356 4372 5042 5223 5808 6336 6558 6964 7563 7744 8712 8744 9837 10084 10446 11616 12023 12672 13116 13928 15126 15488 15669 17424 17488 19151 19674 20168 20892 22689 23232 24046 26232 27731 27856 30252 31338 34848 34976 36069 38302 39348 40336 41784 45378 46464 48092 52464 55462 55712 57453 60504 62676 69696 69952 72138 76604 78696 80672 83193 83568 90756 96184 104928 108207 110924 111424 114906 121008 125352 132253 139392 139904 144276 153208 157392 161344 166386 167136 172359 181512 192368 209856 210661 216414 221848 222848 229812 242016 249579 250704 264506 288552 305041 306416 314784 322688 332772 334272 344718 363024 384736 396759 419712 421322 432828 443696 459624 484032 499158 501408 529012 577104 610082 612832 629568 631983 665544 668544 689436 726048 769472 793518 842644 865656 887392 915123 919248 968064 998316 1002816 1058024 1154208 1190277 1220164 1225664 1259136 1263966 1331088 1378872 1452096 1538944 1587036 1685288 1731312 1774784 1830246 1838496 1895949 1902913 1996632 2005632 2116048 2308416 2380554 2440328 2451328 2527932 2662176 2745369 2755453 2757744 2904192 3174072 3370576 3462624 3549568 3660492 3676992 3791898 3805826 3993264 4232096 4389061 4616832 4761108 4880656 5055864 5324352 5490738 5510906 5515488 5708739 6348144 6741152 6925248 7320984 7353984 7583796 7611652 7986528 8266359 8464192 8778122 9522216 9761312 10111728 10648704 10981476 11021812 11030976 11417478 12696288 13167183 13482304 13850496 14641968 15167592 15223304 15973056 16532718 16928384 17126217 17556244 19044432 19522624 20223456 20932043 21962952 22043624 22061952 22834956 24799077 25392576 26334366 26964608 29283936 30309983 30335184 30446608 31946112 33065436 34252434 35112488 38088864 39045248 39501549 40446912 41864086 43925904 44087248 45669912 48279671 49598154 50785152 52668732 58567872 60619966 60670368 60893216 62796129 66130872 68504868 70224976 76177728 79003098 80893824 83728172 87851808 88174496 90929949 91339824 96559342 99196308 105337464 117135744 121239932 121340736 121786432 125592258 132261744 137009736 140449952 144839013 152355456 158006196 167456344 175703616 176348992 181859898 182679648 188388387 193118684 198392616 210674928 230252473 242479864 242681472 243572864 251184516 264523488 272789847 274019472 280899904 289678026 316012392 333409813 334912688 351407232 352697984 363719796 365359296 376776774 386237368 396785232 421349856 434517039 460504946 484959728 502369032 529046976 531076381 545579694 548038944 561799808 579356052 632024784 666819626 669825376 690757419 727439592 730718592 753553548 772474736 793570464 842699712 869034078 921009892 969919456 1000229439 1004738064 1058093952 1062152762 1091159388 1096077888 1158712104 1264049568 1333639252 1339650752 1381514838 1454879184 1507107096 1544949472 1587140928 1593229143 1685399424 1738068156 1842019784 1939838912 2000458878 2009476128 2072272257 2124305524 2182318776 2192155776 2317424208 2528099136 2667278504 2679301504 2763029676 2909758368 3000688317 3014214192 3089898944 3174281856 3186458286 3476136312 3684039568 3879677824 4000917756 4018952256 4144544514 4248611048 4364637552 4634848416 4779687429 4797243673 5056198272 5334557008 5526059352 5819516736 6001376634 6028428384 6179797888 6372916572 6952272624 7368079136 8001835512 8037904512 8289089028 8497222096 8729275104 9269696832 9559374858 9594487346 10669114016 11052118704 11639033472 12002753268 12056856768 12745833144 13904545248 14391731019 14736158272 16003671024 16578178056 16994444192 17458550208 18539393664 19118749716 19188974692 21338228032 22104237408 24005506536 24113713536 25491666288 27809090496 28783462038 29472316544 32007342048 33156356112 33988888384 34917100416 38237499432 38377949384 42676456064 43175193057 44208474816 48011013072 50983332576 52769680403 55618180992 57566924076 64014684096 66312712224 67977776768 76474998864 76755898768 86350386114 88416949632 96022026144 101966665152 105539360806 115133848152 128029368192 132625424448 152949997728 153511797536 158309041209 172700772228 192044052288 203933330304 211078721612 230267696304 265250848896 305899995456 307023595072 316618082418 345401544456 384088104576 422157443224 460535392608 474927123627 580466484433 611799990912 614047190144 633236164836 690803088912 844314886448 921070785216 949854247254 1160932968866 1266472329672 1381606177824 1688629772896 1741399453299 1842141570432 1899708494508 2321865937732 2532944659344 2763212355648 3377259545792 3482798906598 3799416989016 4643731875464 5065889318688 5224198359897 5526424711296 6754519091584 6965597813196 7598833978032 9287463750928 10131778637376 10448396719794 13931195626392 15197667956064 18574927501856 20263557274752 20896793439588 27862391252784 30395335912128 37149855003712 41793586879176 55724782505568 60790671824256 74299710007424 83587173758352 111449565011136 167174347516704 222899130022272 334348695033408 668697390066816
• Sum of all divisors σ(n): 2119072075968120
• Sum of proper divisors (its aliquot sum) s(n): 1450374685901304
• 668697390066816 is an abundant number, because the sum of its proper divisors (1450374685901304) is greater than itself. Its abundance is 781677295834488

Bases of 668697390066816

• Binary: 10011000000010110100111110011001011010110010000000₂
• Hexadecimal: 0x2602D3E65AC80
• Base-36: 6L17C8SGW0

Squares and roots of 668697390066816

• 668697390066816 squared (668697390066816²) is 447156199482171469624944377856
• 668697390066816 cubed (668697390066816³) is 299012183545924601895265353281941279390826496
• The square root of 668697390066816 is 25859183.8631232907
• The cube root of 668697390066816 is 87446.6565777163

Scales and comparisons

• 668,697,390,066,816 seconds is equal to 21,262,508 years, 30 weeks, 3 days, 18 hours, 33 minutes, 36 seconds.
• To count from 1 to 668,697,390,066,816 would take you about fifty-three million, one hundred fifty-six thousand, two hundred seventy-one 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 668697390066816 cubic inches would be around 7287.2 feet tall.

Recreational maths with 668697390066816

• 668697390066816 backwards is 618660093796866
• The number of decimal digits it has is: 15
• The sum of 668697390066816's digits is 81
• More coming soon!