85388274015

Names of 85388274015

• Cardinal: 85388274015 can be written as Eighty-five billion, three hundred eighty-eight million, two hundred seventy-four thousand and fifteen.

Scientific notation

• Scientific notation: 8.5388274015 × 10¹⁰

Factors of 85388274015

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 38

Divisors of 85388274015

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 5 11 15 19 33 55 57 95 121 165 209 285 361 363 605 627 1045 1083 1805 1815 2299 3135 3971 5415 6859 6897 11495 11913 19855 20577 34295 34485 43681 59565 75449 102885 130321 131043 218405 226347 377245 390963 651605 655215 829939 1131735 1433531 1954815 2476099 2489817 4149695 4300593 7167655 7428297 12380495 12449085 15768841 21502965 27237089 37141485 47045881 47306523 78844205 81711267 136185445 141137643 235229405 236532615 299607979 408556335 517504691 705688215 898823937 1498039895 1552514073 2587523455 4494119685 5692551601 7762570365 17077654803 28462758005 85388274015
• Sum of all divisors σ(n): 158513254872
• Sum of proper divisors (its aliquot sum) s(n): 73124980857
• 85388274015 is a deficient number, because the sum of its proper divisors (73124980857) is less than itself. Its deficiency is 12263293158

Bases of 85388274015

• Binary: 1001111100001100010011010100101011111₂
• Hexadecimal: 0x13E189A95F
• Base-36: 1385Z1WF

Squares and roots of 85388274015

• 85388274015 squared (85388274015²) is 7291157339260724220225
• 85388274015 cubed (85388274015³) is 622579340771273037243919504953375
• The square root of 85388274015 is 292212.7204880033
• The cube root of 85388274015 is 4403.5143069375
• Being both a perfect square and a perfect cube, 85388274015 is also a perfect sixth number.

Scales and comparisons

• 85,388,274,015 seconds is equal to 2,715 years, 4 weeks, 2 days, 5 hours, 15 seconds.
• To count from 1 to 85,388,274,015 would take you about five thousand, four hundred thirty 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 85388274015 cubic inches would be around 367 feet tall.

Recreational maths with 85388274015

• 85388274015 backwards is 51047288358
• The number of decimal digits it has is: 11
• The sum of 85388274015's digits is 51
• More coming soon!