85123794720

Names of 85123794720

• Cardinal: 85123794720 can be written as Eighty-five billion, one hundred twenty-three million, seven hundred ninety-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 8.512379472 × 10¹⁰

Factors of 85123794720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 177341249

Divisors of 85123794720

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 177341239 354682478 532023717 709364956 886706195 1064047434 1418729912 1773412390 2128094868 2660118585 2837459824 3546824780 4256189736 5320237170 5674919648 7093649560 8512379472 10640474340 14187299120 17024758944 21280948680 28374598240 42561897360 85123794720
• Sum of all divisors σ(n): 268139954880
• Sum of proper divisors (its aliquot sum) s(n): 183016160160
• 85123794720 is an abundant number, because the sum of its proper divisors (183016160160) is greater than itself. Its abundance is 97892365440

Bases of 85123794720

• Binary: 1001111010001110001100000011100100000₂
• Hexadecimal: 0x13D1C60720
• Base-36: 133SICDC

Squares and roots of 85123794720

• 85123794720 squared (85123794720²) is 7246060427532699878400
• 85123794720 cubed (85123794720³) is 616812160362008980536290562048000
• The square root of 85123794720 is 291759.8236906515
• The cube root of 85123794720 is 4398.9631634075

Scales and comparisons

• 85,123,794,720 seconds is equal to 2,706 years, 35 weeks, 2 hours, 32 minutes.
• To count from 1 to 85,123,794,720 would take you about five thousand, four hundred thirteen 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 85123794720 cubic inches would be around 366.6 feet tall.

Recreational maths with 85123794720

• 85123794720 backwards is 02749732158
• 85123794720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 85123794720's digits is 48
• More coming soon!