13621640749591681

Names of 13621640749591681

• Cardinal: 13621640749591681 can be written as Thirteen quadrillion, six hundred twenty-one trillion, six hundred forty billion, seven hundred forty-nine million, five hundred ninety-one thousand, six hundred eighty-one.

Scientific notation

• Scientific notation: 1.3621640749591681 × 10¹⁶

Factors of 13621640749591681

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 215658

Divisors of 13621640749591681

• Number of divisors d(n): 36
• Complete list of divisors:
  1 23 463 509 529 10649 11707 214663 235667 244927 259081 269261 4937249 5420341 5958863 99388969 109263467 113556727 119954503 124667843 137053849 2285946287 2513059741 2758953569 50588985221 52576764601 55615104703 57800374043 63455932087 1163546660083 1279147408169 25749793477489 26761573181909 29420390387887 592245249982247 13621640749591681
• Sum of all divisors σ(n): 14298548767259008
• Sum of proper divisors (its aliquot sum) s(n): 676908017667327
• 13621640749591681 is a deficient number, because the sum of its proper divisors (676908017667327) is less than itself. Its deficiency is 12944732731924354

Bases of 13621640749591681

• Binary: 110000011001001100111101100010001000110010110010000001₂
• Hexadecimal: 0x3064CF62232C81
• Base-36: 3Q4GVDDYQO1

Squares and roots of 13621640749591681

• 13621640749591681 squared (13621640749591681²) is 185549096710936613041368224405761
• 13621640749591681 cubed (13621640749591681³) is 2527483136807621917251369914420220140339614074241
• The square root of 13621640749591681 is 116711784.9644656965
• The cube root of 13621640749591681 is 238823.1785012583

Scales and comparisons

• 13,621,640,749,591,681 seconds is equal to 433,126,041 years, 17 weeks, 3 days, 4 hours, 48 minutes, 1 second.
• To count from 1 to 13,621,640,749,591,681 would take you about one billion, two hundred ninety-nine million, three hundred seventy-eight thousand, one hundred twenty-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 13621640749591681 cubic inches would be around 19901.9 feet tall.

Recreational maths with 13621640749591681

• 13621640749591681 backwards is 18619594704612631
• The number of decimal digits it has is: 17
• The sum of 13621640749591681's digits is 73
• More coming soon!