85231986

Names of 85231986

• Cardinal: 85231986 can be written as Eighty-five million, two hundred thirty-one thousand, nine hundred eighty-six.

Scientific notation

• Scientific notation: 8.5231986 × 10⁷

Factors of 85231986

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 187

Divisors of 85231986

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 14 19 21 29 38 42 57 58 87 114 127 133 174 203 254 266 381 399 406 551 609 762 798 841 889 1102 1218 1653 1682 1778 2413 2523 2667 3306 3683 3857 4826 5046 5334 5887 7239 7366 7714 11049 11571 11774 14478 15979 16891 17661 22098 23142 25781 31958 33782 35322 47937 50673 51562 69977 77343 95874 101346 106807 111853 139954 154686 209931 213614 223706 320421 335559 419862 489839 640842 671118 747649 979678 1469517 1495298 2029333 2242947 2939034 4058666 4485894 6087999 12175998 14205331 28410662 42615993 85231986
• Sum of all divisors σ(n): 214056960
• Sum of proper divisors (its aliquot sum) s(n): 128824974
• 85231986 is an abundant number, because the sum of its proper divisors (128824974) is greater than itself. Its abundance is 43592988

Bases of 85231986

• Binary: 101000101001000100101110010₂
• Hexadecimal: 0x5148972
• Base-36: 1EQTF6

Squares and roots of 85231986

• 85231986 squared (85231986²) is 7264491437504196
• 85231986 cubed (85231986³) is 619167032498477508413256
• The square root of 85231986 is 9232.1170919785
• The cube root of 85231986 is 440.0826050143

Scales and comparisons

• 85,231,986 seconds is equal to 2 years, 36 weeks, 6 days, 11 hours, 33 minutes, 6 seconds.
• To count from 1 to 85,231,986 would take you about four 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 85231986 cubic inches would be around 36.7 feet tall.

Recreational maths with 85231986

• 85231986 backwards is 68913258
• 85231986 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 85231986's digits is 42
• More coming soon!