137861231262362721

Names of 137861231262362721

• Cardinal: 137861231262362721 can be written as One hundred thirty-seven quadrillion, eight hundred sixty-one trillion, two hundred thirty-one billion, two hundred sixty-two million, three hundred sixty-two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.37861231262362721 × 10¹⁷

Factors of 137861231262362721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6400

Divisors of 137861231262362721

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 9 19 57 171 361 1083 1277 3249 3831 5101 11493 15303 24263 45909 72789 96919 218367 290757 460997 872271 1382991 1841461 4148973 5524383 6513977 16573149 19541931 26020201 58625793 78060603 123765563 234181809 371296689 494383819 1113890067 1483151457 2351545697 4449454371 7054637091 9393292561 21163911273 28179877683 33227796677 84539633049 99683390031 299050170093 631328136863 1893984410589 5681953231767 11995234600397 35985703801191 107957111403573
• Sum of all divisors σ(n): 137918012601279150
• Sum of proper divisors (its aliquot sum) s(n): 56781338916429
• 137861231262362721 is a deficient number, because the sum of its proper divisors (56781338916429) is less than itself. Its deficiency is 137804449923446292

Bases of 137861231262362721

• Binary: 111101001110010000000111100110101101100001110110001100001₂
• Hexadecimal: 0x1E9C80F35B0EC61
• Base-36: 11PFQ7BQ3MU9

Squares and roots of 137861231262362721

• 137861231262362721 squared (137861231262362721²) is 19005719085174656439973299370523841
• 137861231262362721 cubed (137861231262362721³) is 2620151834108764160564850282183509825306493120131361
• 137861231262362721 is a perfect square number. Its square root is 371296689
• The cube root of 137861231262362721 is 516591.6526118951

Scales and comparisons

• 137,861,231,262,362,721 seconds is equal to 4,383,560,721 years, 18 weeks, 3 days, 15 hours, 25 minutes, 21 seconds.
• To count from 1 to 137,861,231,262,362,721 would take you about thirteen billion, one hundred fifty million, six hundred eighty-two thousand, one hundred sixty-four 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 137861231262362721 cubic inches would be around 43049.3 feet tall.

Recreational maths with 137861231262362721

• 137861231262362721 backwards is 127263262132168731
• The number of decimal digits it has is: 18
• The sum of 137861231262362721's digits is 63
• More coming soon!