80709311865

Names of 80709311865

• Cardinal: 80709311865 can be written as Eighty billion, seven hundred nine million, three hundred eleven thousand, eight hundred sixty-five.

Scientific notation

• Scientific notation: 8.0709311865 × 10¹⁰

Factors of 80709311865

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 16799

Divisors of 80709311865

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 13 15 21 35 39 53 65 67 91 105 159 195 201 265 273 335 371 455 469 689 795 871 1005 1113 1365 1407 1855 2067 2345 2613 3445 3551 4355 4823 5565 6097 7035 10335 10653 13065 14469 16651 17755 18291 24115 24857 30485 46163 49953 53265 72345 74571 83255 91455 116557 124285 138489 216463 230815 249765 323141 349671 372855 582785 649389 692445 882503 969423 1082315 1115617 1515241 1615705 1748355 2647509 3246945 3346851 4412515 4545723 4847115 5578085 6177521 7576205 7809319 11472539 13237545 14503021 16734255 18532563 22728615 23427957 30887605 34417617 39046595 43509063 57362695 59127701 72515105 80307773 92662815 101521147 117139785 172088085 177383103 217545315 240923319 295638505 304563441 401538865 413893907 507605735 768660113 886915515 1204616595 1241681721 1522817205 2069469535 2305980339 3843300565 5380620791 6208408605 11529901695 16141862373 26903103955 80709311865
• Sum of all divisors σ(n): 164360835072
• Sum of proper divisors (its aliquot sum) s(n): 83651523207
• 80709311865 is an abundant number, because the sum of its proper divisors (83651523207) is greater than itself. Its abundance is 2942211342

Bases of 80709311865

• Binary: 1001011001010101001100101110101111001₂
• Hexadecimal: 0x12CAA65D79
• Base-36: 112S8NLL

Squares and roots of 80709311865

• 80709311865 squared (80709311865²) is 6513993021721829778225
• 80709311865 cubed (80709311865³) is 525739894276580878849205311139625
• The square root of 80709311865 is 284093.8434127005
• The cube root of 80709311865 is 4321.5666447411

Scales and comparisons

• 80,709,311,865 seconds is equal to 2,566 years, 15 weeks, 6 days, 13 hours, 17 minutes, 45 seconds.
• To count from 1 to 80,709,311,865 would take you about five thousand, one hundred thirty-two 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 80709311865 cubic inches would be around 360.1 feet tall.

Recreational maths with 80709311865

• 80709311865 backwards is 56811390708
• The number of decimal digits it has is: 11
• The sum of 80709311865's digits is 48
• More coming soon!