50865809128729

Names of 50865809128729

• Cardinal: 50865809128729 can be written as Fifty trillion, eight hundred sixty-five billion, eight hundred nine million, one hundred twenty-eight thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 5.0865809128729 × 10¹³

Factors of 50865809128729

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 918

Divisors of 50865809128729

• Number of divisors d(n): 81
• Complete list of divisors:
  1 7 17 49 73 119 289 511 821 833 1241 2023 3577 5329 5747 8687 13957 14161 21097 37303 40229 59933 60809 90593 97699 147679 237269 261121 419531 634151 674041 683893 1018861 1033753 1540081 1660883 2936717 4375109 4439057 4718287 7132027 10780567 11458697 11626181 17320637 30625763 33028009 49204993 49924189 74376853 75463969 80210879 121244459 194797849 214380341 344434951 520637971 561476153 836484881 848711213 1264406501 1363584943 2411044657 3591964489 3644465797 5855394167 8850845507 9545094601 14220242977 25143751423 40987759169 61063396313 61955918549 99541700839 176006259961 427443774191 696791905873 1038077737321 2992106419337 7266544161247 50865809128729
• Sum of all divisors σ(n): 63806337522711
• Sum of proper divisors (its aliquot sum) s(n): 12940528393982
• 50865809128729 is a deficient number, because the sum of its proper divisors (12940528393982) is less than itself. Its deficiency is 37925280734747

Bases of 50865809128729

• Binary: 1011100100001100011110011110111111110100011001₂
• Hexadecimal: 0x2E431E7BFD19
• Base-36: I13FHFSWP

Squares and roots of 50865809128729

• 50865809128729 squared (50865809128729²) is 2587330538320290470093155441
• 50865809128729 cubed (50865809128729³) is 131606661315131548743711328793838575764489
• 50865809128729 is a perfect square number. Its square root is 7132027
• The cube root of 50865809128729 is 37051.7438023979

Scales and comparisons

• 50,865,809,128,729 seconds is equal to 1,617,375 years, 20 weeks, 2 days, 16 hours, 38 minutes, 49 seconds.
• To count from 1 to 50,865,809,128,729 would take you about four million, forty-three thousand, four hundred thirty-eight 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 50865809128729 cubic inches would be around 3087.6 feet tall.

Recreational maths with 50865809128729

• 50865809128729 backwards is 92782190856805
• The number of decimal digits it has is: 14
• The sum of 50865809128729's digits is 70
• More coming soon!