668508813829110161664

Names of 668508813829110161664

• Cardinal: 668508813829110161664 can be written as Six hundred sixty-eight quintillion, five hundred eight quadrillion, eight hundred thirteen trillion, eight hundred twenty-nine billion, one hundred ten million, one hundred sixty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 6.68508813829110161664 × 10²⁰

Factors of 668508813829110161664

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 59850786

Divisors of 668508813829110161664

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 576 648 729 768 864 972 1152 1296 1458 1728 1944 2304 2592 2916 3456 3888 5184 5832 6912 7776 10368 11664 15552 20736 23328 31104 46656 62208 93312 186624 59850781 119701562 179552343 239403124 359104686 478806248 538657029 718209372 957612496 1077314058 1436418744 1615971087 1915224992 2154628116 2872837488 3231942174 3830449984 4309256232 4847913261 5745674976 6463884348 7660899968 8618512464 9695826522 11491349952 12927768696 14543739783 15321799936 17237024928 19391653044 22982699904 25855537392 29087479566 34474049856 38783306088 43631219349 45965399808 51711074784 58174959132 68948099712 77566612176 87262438698 103422149568 116349918264 137896199424 155133224352 174524877396 206844299136 232699836528 310266448704 349049754792 413688598272 465399673056 620532897408 698099509584 930799346112 1241065794816 1396199019168 1861598692224 2792398038336 3723197384448 5584796076672 11169592153344 3582115986309961 7164231972619922 10746347958929883 14328463945239844 21492695917859766 28656927890479688 32239043876789649 42985391835719532 57313855780959376 64478087753579298 85970783671439064 96717131630368947 114627711561918752 128956175507158596 171941567342878128 193434263260737894 229255423123837504 257912351014317192 290151394891106841 343883134685756256 386868526521475788 458510846247675008 515824702028634384 580302789782213682 687766269371512512 773737053042951576 870454184673320523 917021692495350016 1031649404057268768 1160605579564427364 1375532538743025024 1547474106085903152 1740908369346641046 2063298808114537536 2321211159128854728 2611362554019961569 2751065077486050048 3094948212171806304 3481816738693282092 4126597616229075072 4642422318257709456 5222725108039923138 6189896424343612608 6963633477386564184 8253195232458150144 9284844636515418912 10445450216079846276 12379792848687225216 13927266954773128368 18569689273030837824 20890900432159692552 24759585697374450432 27854533909546256736 37139378546061675648 41781800864319385104 55709067819092513472 74278757092123351296 83563601728638770208 111418135638185026944 167127203457277540416 222836271276370053888 334254406914555080832 668508813829110161664
• Sum of all divisors σ(n): 2000694200449836662589
• Sum of proper divisors (its aliquot sum) s(n): 1332185386620726500925
• 668508813829110161664 is an abundant number, because the sum of its proper divisors (1332185386620726500925) is greater than itself. Its abundance is 663676572791616339261

Bases of 668508813829110161664

• Binary: 1001000011110101101100011010000100010000011101110110101110000100000000₂
• Hexadecimal: 0x243D6C68441DDAE100
• Base-36: 3X30LGR0PPG000

Squares and roots of 668508813829110161664

• 668508813829110161664 squared (668508813829110161664²) is 446904034167203869727901149838504215248896
• 668508813829110161664 cubed (668508813829110161664³) is 298759285776561578497470010696820112665549681917405616557522944
• 668508813829110161664 is a perfect square number. Its square root is 25855537392
• The cube root of 668508813829110161664 is 8743843.5663389147

Scales and comparisons

• 668,508,813,829,110,161,664 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 668,508,813,829,110,161,664 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 668508813829110161664 cubic inches would be around 728653.6 feet tall.

Recreational maths with 668508813829110161664

• 668508813829110161664 backwards is 466161011928318805866
• The number of decimal digits it has is: 21
• The sum of 668508813829110161664's digits is 90
• More coming soon!