81316677740037273

Names of 81316677740037273

• Cardinal: 81316677740037273 can be written as Eighty-one quadrillion, three hundred sixteen trillion, six hundred seventy-seven billion, seven hundred forty million, thirty-seven thousand, two hundred seventy-three.

Scientific notation

• Scientific notation: 8.1316677740037273 × 10¹⁶

Factors of 81316677740037273

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 645143590

Divisors of 81316677740037273

• Number of divisors d(n): 24
• Complete list of divisors:
  1 3 9 97 291 873 144413 433239 1299717 14008061 42024183 126072549 644999077 1934997231 5804991693 62564910469 187694731407 563084194221 93146251706801 279438755120403 838316265361209 9035186415559697 27105559246679091 81316677740037273
• Sum of all divisors σ(n): 118669146587272008
• Sum of proper divisors (its aliquot sum) s(n): 37352468847234735
• 81316677740037273 is a deficient number, because the sum of its proper divisors (37352468847234735) is less than itself. Its deficiency is 43964208892802538

Bases of 81316677740037273

• Binary: 100100000111001010001011001101011000000101000010010011001₂
• Hexadecimal: 0x120E5166B028499
• Base-36: M8OCU1K0LG9

Squares and roots of 81316677740037273

• 81316677740037273 squared (81316677740037273²) is 6612402078677073340658807429276529
• 81316677740037273 cubed (81316677740037273³) is 537698568919336162431376013573823725768075884065417
• The square root of 81316677740037273 is 285160792.7819623541
• The cube root of 81316677740037273 is 433238.0000000011

Scales and comparisons

• 81,316,677,740,037,273 seconds is equal to 2,585,618,823 years, 6 weeks, 6 days, 19 hours, 14 minutes, 33 seconds.
• To count from 1 to 81,316,677,740,037,273 would take you about seven billion, seven hundred fifty-six million, eight hundred fifty-six thousand, four hundred sixty-nine 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 81316677740037273 cubic inches would be around 36103.2 feet tall.

Recreational maths with 81316677740037273

• 81316677740037273 backwards is 37273004777661318
• The number of decimal digits it has is: 17
• The sum of 81316677740037273's digits is 72
• More coming soon!