820664974368

Names of 820664974368

• Cardinal: 820664974368 can be written as Eight hundred twenty billion, six hundred sixty-four million, nine hundred seventy-four thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 8.20664974368 × 10¹¹

Factors of 820664974368

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 53386

Divisors of 820664974368

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 53381 106762 160143 213524 320286 427048 480429 640572 854096 960858 1281144 1708192 1921716 2562288 3843432 5124576 7686864 15373728 2849531161 5699062322 8548593483 11398124644 17097186966 22796249288 25645780449 34194373932 45592498576 51291560898 68388747864 91184997152 102583121796 136777495728 205166243592 273554991456 410332487184 820664974368
• Sum of all divisors σ(n): 2333809740717
• Sum of proper divisors (its aliquot sum) s(n): 1513144766349
• 820664974368 is an abundant number, because the sum of its proper divisors (1513144766349) is greater than itself. Its abundance is 692479791981

Bases of 820664974368

• Binary: 1011111100010011011100011011110000100000₂
• Hexadecimal: 0xBF1371BC20
• Base-36: AH0AQIW0

Squares and roots of 820664974368

• 820664974368 squared (820664974368²) is 673491000154430096999424
• 820664974368 cubed (820664974368³) is 552710474378814059595680050670764032
• The square root of 820664974368 is 905905.6100764583
• The cube root of 820664974368 is 9362.4310593035

Scales and comparisons

• 820,664,974,368 seconds is equal to 26,094 years, 31 weeks, 4 days, 4 hours, 52 minutes, 48 seconds.
• To count from 1 to 820,664,974,368 would take you about fifty-two thousand, one hundred eighty-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 820664974368 cubic inches would be around 780.2 feet tall.

Recreational maths with 820664974368

• 820664974368 backwards is 863479466028
• The number of decimal digits it has is: 12
• The sum of 820664974368's digits is 63
• More coming soon!