815420948061616

Names of 815420948061616

• Cardinal: 815420948061616 can be written as Eight hundred fifteen trillion, four hundred twenty billion, nine hundred forty-eight million, sixty-one thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 8.15420948061616 × 10¹⁴

Factors of 815420948061616

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19347703

Divisors of 815420948061616

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 13 16 26 52 104 208 204791 409582 819164 1638328 2662283 3276656 5324566 10649132 19142897 21298264 38285794 42596528 76571588 153143176 248857661 306286352 497715322 995430644 1990861288 3981722576 3920293019527 7840586039054 15681172078108 31362344156216 50963809253851 62724688312432 101927618507702 203855237015404 407710474030808 815420948061616
• Sum of all divisors σ(n): 1701415567371744
• Sum of proper divisors (its aliquot sum) s(n): 885994619310128
• 815420948061616 is an abundant number, because the sum of its proper divisors (885994619310128) is greater than itself. Its abundance is 70573671248512

Bases of 815420948061616

• Binary: 10111001011001111011111011111100111001110110110000₂
• Hexadecimal: 0x2E59EFBF39DB0
• Base-36: 811J7MXIGG

Squares and roots of 815420948061616

• 815420948061616 squared (815420948061616²) is 664911322537704658267732531456
• 815420948061616 cubed (815420948061616³) is 542182621000598074238173708834115947946192896
• The square root of 815420948061616 is 28555576.4792380963
• The cube root of 815420948061616 is 93424.4654067659

Scales and comparisons

• 815,420,948,061,616 seconds is equal to 25,927,863 years, 46 weeks, 10 hours, 16 seconds.
• To count from 1 to 815,420,948,061,616 would take you about sixty-four million, eight hundred nineteen thousand, six hundred fifty-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 815420948061616 cubic inches would be around 7785.4 feet tall.

Recreational maths with 815420948061616

• 815420948061616 backwards is 616160849024518
• The number of decimal digits it has is: 15
• The sum of 815420948061616's digits is 61
• More coming soon!