820304869862709

Names of 820304869862709

• Cardinal: 820304869862709 can be written as Eight hundred twenty trillion, three hundred four billion, eight hundred sixty-nine million, eight hundred sixty-two thousand, seven hundred nine.

Scientific notation

• Scientific notation: 8.20304869862709 × 10¹⁴

Factors of 820304869862709

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 488930943

Divisors of 820304869862709

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 11 21 27 33 63 77 81 99 189 231 269 297 567 693 807 891 1883 2079 2421 2959 5649 6237 7263 8877 16947 20713 21789 26631 50841 62139 79893 152523 186417 239679 559251 1677753 488930653 1466791959 3422514571 4400375877 5378237183 10267543713 13201127631 16134711549 30802631139 37647660281 39603382893 48404134647 92407893417 112942980843 131522345657 145212403941 277223680251 338828942529 394567036971 435637211823 920656419599 1016486827587 1183701110913 1446745802227 2761969258797 3049460482761 3551103332739 4340237406681 8285907776391 10127220615589 10653309998217 13020712220043 24857723329173 30381661846767 39062136660129 74573169987519 91144985540301 117186409980387 273434956620903 820304869862709
• Sum of all divisors σ(n): 1533442988753280
• Sum of proper divisors (its aliquot sum) s(n): 713138118890571
• 820304869862709 is a deficient number, because the sum of its proper divisors (713138118890571) is less than itself. Its deficiency is 107166750972138

Bases of 820304869862709

• Binary: 10111010100001000000011100011000000010110100110101₂
• Hexadecimal: 0x2EA101C602D35
• Base-36: 82RUURVEB9

Squares and roots of 820304869862709

• 820304869862709 squared (820304869862709²) is 672900079520475948204508818681
• 820304869862709 cubed (820304869862709³) is 551983212161650560212580676517026056244466829
• The square root of 820304869862709 is 28640964.8905673043
• The cube root of 820304869862709 is 93610.6145986993

Scales and comparisons

• 820,304,869,862,709 seconds is equal to 26,083,157 years, 25 weeks, 4 days, 2 hours, 45 minutes, 9 seconds.
• To count from 1 to 820,304,869,862,709 would take you about sixty-five million, two hundred seven thousand, eight hundred ninety-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 820304869862709 cubic inches would be around 7800.9 feet tall.

Recreational maths with 820304869862709

• 820304869862709 backwards is 907268968403028
• The number of decimal digits it has is: 15
• The sum of 820304869862709's digits is 72
• More coming soon!