31705997109808913

Names of 31705997109808913

• Cardinal: 31705997109808913 can be written as Thirty-one quadrillion, seven hundred five trillion, nine hundred ninety-seven billion, one hundred nine million, eight hundred eight thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 3.1705997109808913 × 10¹⁶

Factors of 31705997109808913

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1035872

Divisors of 31705997109808913

• Number of divisors d(n): 16
• Complete list of divisors:
  1 439 3989 17863 1013581 1751171 7841857 71255507 444962059 4043174609 18105597403 31281167573 1774953653351 7948357259917 72223228040567 31705997109808913
• Sum of all divisors σ(n): 31787997605548800
• Sum of proper divisors (its aliquot sum) s(n): 82000495739887
• 31705997109808913 is a deficient number, because the sum of its proper divisors (82000495739887) is less than itself. Its deficiency is 31623996614069026

Bases of 31705997109808913

• Binary: 1110000101001000110111110110110111110101100111100010001₂
• Hexadecimal: 0x70A46FB6FACF11
• Base-36: 8O6U5ZQLDSH

Squares and roots of 31705997109808913

• 31705997109808913 squared (31705997109808913²) is 1005270252727211144360519374241569
• 31705997109808913 cubed (31705997109808913³) is 31873095727545832084671535481859776590199891304497
• The square root of 31705997109808913 is 178061778.9134122769
• The cube root of 31705997109808913 is 316504.9247231001

Scales and comparisons

• 31,705,997,109,808,913 seconds is equal to 1,008,152,635 years, 1 day, 7 hours, 21 minutes, 53 seconds.
• To count from 1 to 31,705,997,109,808,913 would take you about three billion, twenty-four million, four hundred fifty-seven thousand, nine hundred five 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 31705997109808913 cubic inches would be around 26375.4 feet tall.

Recreational maths with 31705997109808913

• 31705997109808913 backwards is 31980890179950713
• The number of decimal digits it has is: 17
• The sum of 31705997109808913's digits is 80
• More coming soon!