820195484840

Names of 820195484840

• Cardinal: 820195484840 can be written as Eight hundred twenty billion, one hundred ninety-five million, four hundred eighty-four thousand, eight hundred forty.

Scientific notation

• Scientific notation: 8.2019548484 × 10¹¹

Factors of 820195484840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 23030

Divisors of 820195484840

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 40 257 514 1028 1285 2056 2570 4327 5140 8654 10280 17308 18439 21635 34616 36878 43270 73756 86540 92195 147512 173080 184390 368780 737560 1112039 2224078 4448156 4738823 5560195 8896312 9477646 11120390 18955292 22240780 23694115 37910584 44481560 47388230 79785553 94776460 159571106 189552920 319142212 398927765 638284424 797855530 1595711060 3191422120 20504887121 41009774242 82019548484 102524435605 164039096968 205048871210 410097742420 820195484840
• Sum of all divisors σ(n): 1853149190400
• Sum of proper divisors (its aliquot sum) s(n): 1032953705560
• 820195484840 is an abundant number, because the sum of its proper divisors (1032953705560) is greater than itself. Its abundance is 212758220720

Bases of 820195484840

• Binary: 1011111011110111011101011110010010101000₂
• Hexadecimal: 0xBEF775E4A8
• Base-36: AGSJ7QG8

Squares and roots of 820195484840

• 820195484840 squared (820195484840²) is 672720633351922669825600
• 820195484840 cubed (820195484840³) is 551762426033952088523795230243904000
• The square root of 820195484840 is 905646.4458275095
• The cube root of 820195484840 is 9360.6453522027

Scales and comparisons

• 820,195,484,840 seconds is equal to 26,079 years, 35 weeks, 2 days, 7 hours, 7 minutes, 20 seconds.
• To count from 1 to 820,195,484,840 would take you about fifty-two thousand, one 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 820195484840 cubic inches would be around 780.1 feet tall.

Recreational maths with 820195484840

• 820195484840 backwards is 048484591028
• The number of decimal digits it has is: 12
• The sum of 820195484840's digits is 53
• More coming soon!