420823240845

Names of 420823240845

• Cardinal: 420823240845 can be written as Four hundred twenty billion, eight hundred twenty-three million, two hundred forty thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 4.20823240845 × 10¹¹

Factors of 420823240845

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6086

Divisors of 420823240845

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 15 17 21 35 49 51 85 105 119 147 245 255 343 357 595 735 833 941 1029 1715 1785 2499 2823 4165 4705 5113 5145 5831 6587 12495 14115 15339 15997 17493 19761 25565 29155 32935 35791 46109 47991 76695 79985 86921 87465 98805 107373 111979 138327 178955 230545 239955 250537 260763 322763 335937 434605 536865 559895 608447 691635 751611 783853 968289 1252685 1303815 1613815 1679685 1753759 1825341 2351559 3042235 3758055 3919265 4259129 4811333 4841445 5261277 5486971 8768795 9126705 11757795 12777387 14433999 16460913 21295645 24056665 26306385 27434855 29813903 33679331 63886935 72169995 81792661 82304565 89441709 101037993 149069515 168396655 235755317 245377983 408963305 447208545 505189965 572548627 707265951 1178776585 1226889915 1650287219 1717645881 2862743135 3536329755 4007840389 4950861657 8251436095 8588229405 12023521167 20039201945 24754308285 28054882723 60117605835 84164648169 140274413615 420823240845
• Sum of all divisors σ(n): 832444646400
• Sum of proper divisors (its aliquot sum) s(n): 411621405555
• 420823240845 is a deficient number, because the sum of its proper divisors (411621405555) is less than itself. Its deficiency is 9201835290

Bases of 420823240845

• Binary: 110000111111011000001010001000010001101₂
• Hexadecimal: 0x61FB05108D
• Base-36: 5DBNAIRX

Squares and roots of 420823240845

• 420823240845 squared (420823240845²) is 177092200035288876314025
• 420823240845 cubed (420823240845³) is 74524513547221288296246358426351125
• The square root of 420823240845 is 648708.9030104335
• The cube root of 420823240845 is 7493.7621665183

Scales and comparisons

• 420,823,240,845 seconds is equal to 13,380 years, 45 weeks, 4 days, 8 hours, 40 minutes, 45 seconds.
• To count from 1 to 420,823,240,845 would take you about twenty-six thousand, seven hundred sixty-one 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 420823240845 cubic inches would be around 624.5 feet tall.

Recreational maths with 420823240845

• 420823240845 backwards is 548042328024
• The number of decimal digits it has is: 12
• The sum of 420823240845's digits is 42
• More coming soon!