78809328408320064

Names of 78809328408320064

• Cardinal: 78809328408320064 can be written as Seventy-eight quadrillion, eight hundred nine trillion, three hundred twenty-eight billion, four hundred eight million, three hundred twenty thousand and sixty-four.

Scientific notation

• Scientific notation: 7.8809328408320064 × 10¹⁶

Factors of 78809328408320064

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 232

Divisors of 78809328408320064

• Number of divisors d(n): 147
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 227 288 454 576 681 908 1362 1816 2043 2724 3632 4086 5448 7264 8172 10896 14528 16344 21792 32688 43584 51529 65376 103058 130752 154587 206116 309174 412232 463761 618348 824464 927522 1236696 1648928 1855044 2473392 3297856 3710088 4946784 7420176 9893568 11697083 14840352 23394166 29680704 35091249 46788332 70182498 93576664 105273747 140364996 187153328 210547494 280729992 374306656 421094988 561459984 748613312 842189976 1122919968 1684379952 2245839936 2655237841 3368759904 5310475682 6737519808 7965713523 10620951364 15931427046 21241902728 23897140569 31862854092 42483805456 47794281138 63725708184 84967610912 95588562276 127451416368 169935221824 191177124552 254902832736 382354249104 509805665472 602738989907 764708498208 1205477979814 1529416996416 1808216969721 2410955959628 3616433939442 4821911919256 5424650909163 7232867878884 9643823838512 10849301818326 14465735757768 19287647677024 21698603636652 28931471515536 38575295354048 43397207273304 57862943031072 86794414546608 115725886062144 136821750708889 173588829093216 273643501417778 347177658186432 410465252126667 547287002835556 820930504253334 1094574005671112 1231395756380001 1641861008506668 2189148011342224 2462791512760002 3283722017013336 4378296022684448 4925583025520004 6567444034026672 8756592045368896 9851166051040008 13134888068053344 19702332102080016 26269776136106688 39404664204160032 78809328408320064
• Sum of all divisors σ(n): 226892235687722527
• Sum of proper divisors (its aliquot sum) s(n): 148082907279402463
• 78809328408320064 is an abundant number, because the sum of its proper divisors (148082907279402463) is greater than itself. Its abundance is 69273578871082399

Bases of 78809328408320064

• Binary: 100010111111111001010101010101000110000111101100001000000₂
• Hexadecimal: 0x117FCAAA8C3D840
• Base-36: LJZKPNTR4G0

Squares and roots of 78809328408320064

• 78809328408320064 squared (78809328408320064²) is 6210910244170443872239258664964096
• 78809328408320064 cubed (78809328408320064³) is 489477665147427867430825099425139471278182236422144
• 78809328408320064 is a perfect square number. Its square root is 280729992
• The cube root of 78809328408320064 is 428738.5572721665
• Being both a perfect square and a perfect cube, 78809328408320064 is also a perfect sixth number.

Scales and comparisons

• 78,809,328,408,320,064 seconds is equal to 2,505,892,870 years, 6 weeks, 3 days, 22 hours, 14 minutes, 24 seconds.
• To count from 1 to 78,809,328,408,320,064 would take you about seven billion, five hundred seventeen million, six hundred seventy-eight thousand, six hundred ten 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 78809328408320064 cubic inches would be around 35728.2 feet tall.

Recreational maths with 78809328408320064

• 78809328408320064 backwards is 46002380482390887
• 78809328408320064 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 78809328408320064's digits is 72
• More coming soon!