642302242807680801

Names of 642302242807680801

• Cardinal: 642302242807680801 can be written as Six hundred forty-two quadrillion, three hundred two trillion, two hundred forty-two billion, eight hundred seven million, six hundred eighty thousand, eight hundred one.

Scientific notation

• Scientific notation: 6.42302242807680801 × 10¹⁷

Factors of 642302242807680801

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 75589279

Divisors of 642302242807680801

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 61 101 183 303 549 909 6161 18483 55449 153557 460671 1382013 9366977 15509257 28100931 46527771 75435557 84302793 139583313 226306671 678920013 946064677 2838194031 4601568977 7618991257 8514582093 13804706931 22856973771 41414120793 68570921313 464758466677 1394275400031 4182826200093 11583657826249 34750973478747 104252920436241 706603127401189 1169949440451149 2119809382203567 3509848321353447 6359428146610701 10529544964060341 71366915867520089 214100747602560267 642302242807680801
• Sum of all divisors σ(n): 952321891543905168
• Sum of proper divisors (its aliquot sum) s(n): 310019648736224367
• 642302242807680801 is a deficient number, because the sum of its proper divisors (310019648736224367) is less than itself. Its deficiency is 332282594071456434

Bases of 642302242807680801

• Binary: 100011101001111010100111110010011100111111010000111100100001₂
• Hexadecimal: 0x8E9EA7C9CFD0F21
• Base-36: 4VOD54V385Y9

Squares and roots of 642302242807680801

• 642302242807680801 squared (642302242807680801²) is 412552171115776943257659960304001601
• 642302242807680801 cubed (642302242807680801³) is 264983184782841640247381561444569576017853658600962401
• The square root of 642302242807680801 is 801437610.0531349541
• The cube root of 642302242807680801 is 862805.9793728699

Scales and comparisons

• 642,302,242,807,680,801 seconds is equal to 20,423,224,550 years, 13 minutes, 21 seconds.
• To count from 1 to 642,302,242,807,680,801 would take you about sixty-one billion, two hundred sixty-nine million, six hundred seventy-three thousand, six hundred fifty 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 642302242807680801 cubic inches would be around 71900.5 feet tall.

Recreational maths with 642302242807680801

• 642302242807680801 backwards is 108086708242203246
• The number of decimal digits it has is: 18
• The sum of 642302242807680801's digits is 63
• More coming soon!