813037430320878978

Names of 813037430320878978

• Cardinal: 813037430320878978 can be written as Eight hundred thirteen quadrillion, thirty-seven trillion, four hundred thirty billion, three hundred twenty million, eight hundred seventy-eight thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 8.13037430320878978 × 10¹⁷

Factors of 813037430320878978

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 149981831

Divisors of 813037430320878978

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 162 50396453 99585373 100792906 151189359 199170746 298756119 302378718 453568077 597512238 896268357 907136154 1360704231 1792536714 2688805071 2721408462 4082112693 5377610142 8066415213 8164225386 16132830426 5018749569881969 10037499139763938 15056248709645907 30112497419291814 45168746128937721 90337492257875442 135506238386813163 271012476773626326 406518715160439489 813037430320878978
• Sum of all divisors σ(n): 1821806148310557948
• Sum of proper divisors (its aliquot sum) s(n): 1008768717989678970
• 813037430320878978 is an abundant number, because the sum of its proper divisors (1008768717989678970) is greater than itself. Its abundance is 195731287668799992

Bases of 813037430320878978

• Binary: 101101001000011111010011110000110111010111110101010110000010₂
• Hexadecimal: 0xB487D3C375F5582
• Base-36: 66DHPR7COE4I

Squares and roots of 813037430320878978

• 813037430320878978 squared (813037430320878978²) is 661029863102778139331256398522324484
• 813037430320878978 cubed (813037430320878978³) is 537442021262445151161965979235001652711240310610297352
• The square root of 813037430320878978 is 901685882.2898798043
• The cube root of 813037430320878978 is 933333.4838245751

Scales and comparisons

• 813,037,430,320,878,978 seconds is equal to 25,852,075,394 years, 16 weeks, 16 hours, 36 minutes, 18 seconds.
• To count from 1 to 813,037,430,320,878,978 would take you about seventy-seven billion, five hundred fifty-six million, two hundred twenty-six thousand, one hundred eighty-two 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 813037430320878978 cubic inches would be around 77777.8 feet tall.

Recreational maths with 813037430320878978

• 813037430320878978 backwards is 879878023034730318
• 813037430320878978 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 813037430320878978's digits is 81
• More coming soon!