4020798685643721

Names of 4020798685643721

• Cardinal: 4020798685643721 can be written as Four quadrillion, twenty trillion, seven hundred ninety-eight billion, six hundred eighty-five million, six hundred forty-three thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 4.020798685643721 × 10¹⁵

Factors of 4020798685643721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 4377938

Divisors of 4020798685643721

• Number of divisors d(n): 24
• Complete list of divisors:
  1 3 9 127 381 1143 1060391 3181173 3317417 9543519 9952251 29856753 134669657 404008971 421311959 1212026913 1263935877 3791807631 3517759130047 10553277390141 31659832170423 446755409515969 1340266228547907 4020798685643721
• Sum of all divisors σ(n): 5853558477072384
• Sum of proper divisors (its aliquot sum) s(n): 1832759791428663
• 4020798685643721 is a deficient number, because the sum of its proper divisors (1832759791428663) is less than itself. Its deficiency is 2188038894215058

Bases of 4020798685643721

• Binary: 1110010010001110010100100101010111110000001111001001₂
• Hexadecimal: 0xE48E5255F03C9
• Base-36: 13L95EZHIO9

Squares and roots of 4020798685643721

• 4020798685643721 squared (4020798685643721²) is 16166822070474274326028146725841
• 4020798685643721 cubed (4020798685643721³) is 65003536931998862406451003971673712957590094361
• The square root of 4020798685643721 is 63409768.0617404639
• The cube root of 4020798685643721 is 159014.7618329527

Scales and comparisons

• 4,020,798,685,643,721 seconds is equal to 127,848,961 years, 2 weeks, 6 days, 13 hours, 55 minutes, 21 seconds.
• To count from 1 to 4,020,798,685,643,721 would take you about three hundred eighty-three million, five hundred forty-six thousand, eight hundred eighty-three 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 4020798685643721 cubic inches would be around 13251.2 feet tall.

Recreational maths with 4020798685643721

• 4020798685643721 backwards is 1273465868970204
• The number of decimal digits it has is: 16
• The sum of 4020798685643721's digits is 72
• More coming soon!