85021820004

Names of 85021820004

• Cardinal: 85021820004 can be written as Eighty-five billion, twenty-one million, eight hundred twenty thousand and four.

Scientific notation

• Scientific notation: 8.5021820004 × 10¹⁰

Factors of 85021820004

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 348412

Divisors of 85021820004

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 11 12 22 33 43 44 66 86 129 132 172 258 473 516 946 1419 1849 1892 2838 3698 5547 5676 7396 11094 20339 22188 40678 61017 81356 122034 244068 348353 696706 1045059 1393412 2090118 3831883 4180236 7663766 11495649 14979179 15327532 22991298 29958358 44937537 45982596 59916716 89875074 164770969 179750148 329541938 494312907 644104697 659083876 988625814 1288209394 1932314091 1977251628 2576418788 3864628182 7085151667 7729256364 14170303334 21255455001 28340606668 42510910002 85021820004
• Sum of all divisors σ(n): 221569864992
• Sum of proper divisors (its aliquot sum) s(n): 136548044988
• 85021820004 is an abundant number, because the sum of its proper divisors (136548044988) is greater than itself. Its abundance is 51526224984

Bases of 85021820004

• Binary: 1001111001011101100100000010001100100₂
• Hexadecimal: 0x13CBB20464
• Base-36: 1323SO6C

Squares and roots of 85021820004

• 85021820004 squared (85021820004²) is 7228709876792574560016
• 85021820004 cubed (85021820004³) is 614598070005795291085429847360064
• The square root of 85021820004 is 291585.0133391633
• The cube root of 85021820004 is 4397.2058707183

Scales and comparisons

• 85,021,820,004 seconds is equal to 2,703 years, 22 weeks, 2 days, 20 hours, 13 minutes, 24 seconds.
• To count from 1 to 85,021,820,004 would take you about five thousand, four hundred six 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 85021820004 cubic inches would be around 366.4 feet tall.

Recreational maths with 85021820004

• 85021820004 backwards is 40002812058
• The number of decimal digits it has is: 11
• The sum of 85021820004's digits is 30
• More coming soon!