820841436009

Names of 820841436009

• Cardinal: 820841436009 can be written as Eight hundred twenty billion, eight hundred forty-one million, four hundred thirty-six thousand and nine.

Scientific notation

• Scientific notation: 8.20841436009 × 10¹¹

Factors of 820841436009

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 280

Divisors of 820841436009

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 7 9 21 27 49 63 73 81 147 189 197 219 441 511 567 591 657 1323 1379 1533 1773 1971 3577 3969 4137 4599 5319 5329 5913 9653 10731 12411 13797 14381 15957 15987 28959 32193 37233 37303 38809 41391 43143 47961 86877 96579 100667 111699 111909 116427 129429 143883 260631 261121 271663 289737 302001 335727 349281 388287 431649 704669 781893 783363 814989 906003 1007181 1047843 1049813 1164861 1901641 2114007 2350089 2444967 2718009 2833057 3021543 3143529 3149439 5704923 6342021 7050267 7334901 7348691 8154027 8499171 9448317 17114769 19026063 19831399 21150801 22004703 22046073 25497513 28344951 51344307 51440837 57078189 59494197 66138219 76492539 85034853 138819793 154032921 154322511 178482591 198414657 206813161 229477617 416459379 462967533 535447773 595243971 620439483 1249378137 1388902599 1447692127 1606343319 1861318449 3748134411 4166707797 4343076381 5583955347 10133844889 11244403233 13029229143 16751866041 30401534667 39087687429 91204604001 117263062287 273613812003 820841436009
• Sum of all divisors σ(n): 1453576000437
• Sum of proper divisors (its aliquot sum) s(n): 632734564428
• 820841436009 is a deficient number, because the sum of its proper divisors (632734564428) is less than itself. Its deficiency is 188106871581

Bases of 820841436009

• Binary: 1011111100011101111101100101001101101001₂
• Hexadecimal: 0xBF1DF65369
• Base-36: AH37SPK9

Squares and roots of 820841436009

• 820841436009 squared (820841436009²) is 673780663069317241848081
• 820841436009 cubed (820841436009³) is 553067087028914558305761957060948729
• 820841436009 is a perfect square number. Its square root is 906003
• The cube root of 820841436009 is 9363.1020564423

Scales and comparisons

• 820,841,436,009 seconds is equal to 26,100 years, 11 weeks, 2 days, 14 hours, 9 seconds.
• To count from 1 to 820,841,436,009 would take you about fifty-two thousand, two hundred 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 820841436009 cubic inches would be around 780.3 feet tall.

Recreational maths with 820841436009

• 820841436009 backwards is 900634148028
• The number of decimal digits it has is: 12
• The sum of 820841436009's digits is 45
• More coming soon!