85155071820

Names of 85155071820

• Cardinal: 85155071820 can be written as Eighty-five billion, one hundred fifty-five million, seventy-one thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 8.515507182 × 10¹⁰

Factors of 85155071820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15596197

Divisors of 85155071820

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1092 1365 1820 2730 5460 15596167 31192334 46788501 62384668 77980835 93577002 109173169 155961670 187154004 202750171 218346338 233942505 311923340 327519507 405500342 436692676 467885010 545865845 608250513 655039014 811000684 935770020 1013750855 1091731690 1216501026 1310078028 1419251197 1637597535 2027501710 2183463380 2433002052 2838502394 3041252565 3275195070 4055003420 4257753591 5677004788 6082505130 6550390140 7096255985 8515507182 12165010260 14192511970 17031014364 21288767955 28385023940 42577535910 85155071820
• Sum of all divisors σ(n): 293457497088
• Sum of proper divisors (its aliquot sum) s(n): 208302425268
• 85155071820 is an abundant number, because the sum of its proper divisors (208302425268) is greater than itself. Its abundance is 123147353448

Bases of 85155071820

• Binary: 1001111010011101000110100011101001100₂
• Hexadecimal: 0x13D3A3474C
• Base-36: 134B4PXO

Squares and roots of 85155071820

• 85155071820 squared (85155071820²) is 7251386256669358112400
• 85155071820 cubed (85155071820³) is 617492317481240144054721632568000
• The square root of 85155071820 is 291813.4195337837
• The cube root of 85155071820 is 4399.5018688833

Scales and comparisons

• 85,155,071,820 seconds is equal to 2,707 years, 34 weeks, 5 days, 2 hours, 37 minutes.
• To count from 1 to 85,155,071,820 would take you about five thousand, four hundred fifteen 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 85155071820 cubic inches would be around 366.6 feet tall.

Recreational maths with 85155071820

• 85155071820 backwards is 02817055158
• 85155071820 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 85155071820's digits is 42
• More coming soon!