71394236809

Names of 71394236809

• Cardinal: 71394236809 can be written as Seventy-one billion, three hundred ninety-four million, two hundred thirty-six thousand, eight hundred nine.

Scientific notation

• Scientific notation: 7.1394236809 × 10¹⁰

Factors of 71394236809

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 67

Divisors of 71394236809

• Number of divisors d(n): 63
• Complete list of divisors:
  1 7 19 41 49 133 287 343 361 779 931 1681 2009 2401 2527 5453 6517 11767 14063 14801 16807 17689 31939 38171 45619 82369 98441 103607 117649 123823 223573 267197 319333 576583 606841 689087 725249 866761 1565011 1870379 2235331 4036081 4247887 4823609 5076743 6067327 10955077 13092653 28252567 29735209 35537201 42471289 76685539 91648571 197767969 208146463 248760407 536798773 1457025241 1741322849 3757591411 10199176687 71394236809
• Sum of all divisors σ(n): 90104141991
• Sum of proper divisors (its aliquot sum) s(n): 18709905182
• 71394236809 is a deficient number, because the sum of its proper divisors (18709905182) is less than itself. Its deficiency is 52684331627

Bases of 71394236809

• Binary: 1000010011111011011011001100110001001₂
• Hexadecimal: 0x109F6D9989
• Base-36: WSQA9OP

Squares and roots of 71394236809

• 71394236809 squared (71394236809²) is 5097137049539570502481
• 71394236809 cubed (71394236809³) is 363906209562755660870279636023129
• 71394236809 is a perfect square number. Its square root is 267197
• The cube root of 71394236809 is 4148.4677521207

Scales and comparisons

• 71,394,236,809 seconds is equal to 2,270 years, 6 weeks, 4 hours, 26 minutes, 49 seconds.
• To count from 1 to 71,394,236,809 would take you about four thousand, five hundred forty 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 71394236809 cubic inches would be around 345.7 feet tall.

Recreational maths with 71394236809

• 71394236809 backwards is 90863249317
• The number of decimal digits it has is: 11
• The sum of 71394236809's digits is 52
• More coming soon!