642837946142096990208001

Names of 642837946142096990208001

• Cardinal: 642837946142096990208001 can be written as Six hundred forty-two sextillion, eight hundred thirty-seven quintillion, nine hundred forty-six quadrillion, one hundred forty-two trillion, ninety-six billion, nine hundred ninety million, two hundred eight thousand and one.

Scientific notation

• Scientific notation: 6.42837946142096990208001 × 10²³

Factors of 642837946142096990208001

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 6289327140

Divisors of 642837946142096990208001

• Number of divisors d(n): 16
• Complete list of divisors:
  1 13 1624757 4844093 21121841 62973209 6282858277 81677157601 7870474010401 102316162135213 10208117965563689 30434749799607761 132705533552327957 395651747394900893 49449072780161306939077 642837946142096990208001
• Sum of all divisors σ(n): 692287588032681696272784
• Sum of proper divisors (its aliquot sum) s(n): 49449641890584706064783
• 642837946142096990208001 is a deficient number, because the sum of its proper divisors (49449641890584706064783) is less than itself. Its deficiency is 593388304251512284143218

Bases of 642837946142096990208001

• Binary: 10001000001000000101000010011100100000101101010000000101010110010000000000000001₂
• Hexadecimal: 0x8820509C82D405590001
• Base-36: 2WOI5CEX00000001

Squares and roots of 642837946142096990208001

• 642837946142096990208001 squared (642837946142096990208001²) is 413240625000189590656378505838064732077244416001
• 642837946142096990208001 cubed (642837946142096990208001³) is 265646754637598375112327303993758486009979925168208555290848852762624001
• The square root of 642837946142096990208001 is 801771754392.7928808363
• The cube root of 642837946142096990208001 is 86304578.3195950893

Scales and comparisons

• 642,837,946,142,096,990,208,001 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 642,837,946,142,096,990,208,001 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 642837946142096990208001 cubic inches would be around 7192048.2 feet tall.

Recreational maths with 642837946142096990208001

• 642837946142096990208001 backwards is 100802099690241649738246
• The number of decimal digits it has is: 24
• The sum of 642837946142096990208001's digits is 100
• More coming soon!