71388140961708993

Names of 71388140961708993

• Cardinal: 71388140961708993 can be written as Seventy-one quadrillion, three hundred eighty-eight trillion, one hundred forty billion, nine hundred sixty-one million, seven hundred eight thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 7.1388140961708993 × 10¹⁶

Factors of 71388140961708993

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 29388648

Divisors of 71388140961708993

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 1453 4359 568279 1704837 28818913 86456739 825709387 2477128161 41873880589 125621641767 16377183060727 49131549182181 23796046987236331 71388140961708993
• Sum of all divisors σ(n): 95249867597102720
• Sum of proper divisors (its aliquot sum) s(n): 23861726635393727
• 71388140961708993 is a deficient number, because the sum of its proper divisors (23861726635393727) is less than itself. Its deficiency is 47526414326315266

Bases of 71388140961708993

• Binary: 11111101100111110010001011001111001100101011101111000001₂
• Hexadecimal: 0xFD9F22CF32BBC1
• Base-36: JIWZF7PF83L

Squares and roots of 71388140961708993

• 71388140961708993 squared (71388140961708993²) is 5096266669968833387970227217074049
• 71388140961708993 cubed (71388140961708993³) is 363813003414194360772282995333918131292336070222657
• The square root of 71388140961708993 is 267185592.7285544957
• The cube root of 71388140961708993 is 414834.9679351693

Scales and comparisons

• 71,388,140,961,708,993 seconds is equal to 2,269,922,064 years, 29 weeks, 2 days, 6 hours, 16 minutes, 33 seconds.
• To count from 1 to 71,388,140,961,708,993 would take you about six billion, eight hundred nine million, seven hundred sixty-six thousand, one hundred ninety-three 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 71388140961708993 cubic inches would be around 34569.6 feet tall.

Recreational maths with 71388140961708993

• 71388140961708993 backwards is 39980716904188317
• The number of decimal digits it has is: 17
• The sum of 71388140961708993's digits is 84
• More coming soon!