16940431388823871

Names of 16940431388823871

• Cardinal: 16940431388823871 can be written as Sixteen quadrillion, nine hundred forty trillion, four hundred thirty-one billion, three hundred eighty-eight million, eight hundred twenty-three thousand, eight hundred seventy-one.

Scientific notation

• Scientific notation: 1.6940431388823871 × 10¹⁶

Factors of 16940431388823871

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 29901314

Divisors of 16940431388823871

• Number of divisors d(n): 16
• Complete list of divisors:
  1 17 167 2839 200909 3415453 29700221 33551803 504903757 570380651 4959936907 84318927419 5967041700889 101439708915113 996495964048463 16940431388823871
• Sum of all divisors σ(n): 18044424524508480
• Sum of proper divisors (its aliquot sum) s(n): 1103993135684609
• 16940431388823871 is a deficient number, because the sum of its proper divisors (1103993135684609) is less than itself. Its deficiency is 15836438253139262

Bases of 16940431388823871

• Binary: 111100001011110011101110001011010001011101000100111111₂
• Hexadecimal: 0x3C2F3B8B45D13F
• Base-36: 4MSVQQRXFSV

Squares and roots of 16940431388823871

• 16940431388823871 squared (16940431388823871²) is 286978215639449066840804659424641
• 16940431388823871 cubed (16940431388823871³) is 4861534772127188492434365793841038992596546405311
• The square root of 16940431388823871 is 130155412.4453680605
• The cube root of 16940431388823871 is 256827.4788225737

Scales and comparisons

• 16,940,431,388,823,871 seconds is equal to 538,653,317 years, 50 weeks, 3 days, 24 minutes, 31 seconds.
• To count from 1 to 16,940,431,388,823,871 would take you about one billion, six hundred fifteen million, nine hundred fifty-nine thousand, nine hundred fifty-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 16940431388823871 cubic inches would be around 21402.3 feet tall.

Recreational maths with 16940431388823871

• 16940431388823871 backwards is 17832888313404961
• The number of decimal digits it has is: 17
• The sum of 16940431388823871's digits is 76
• More coming soon!