118721251016420642

Names of 118721251016420642

• Cardinal: 118721251016420642 can be written as One hundred eighteen quadrillion, seven hundred twenty-one trillion, two hundred fifty-one billion, sixteen million, four hundred twenty thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 1.18721251016420642 × 10¹⁷

Factors of 118721251016420642

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 243640363

Divisors of 118721251016420642

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 243640361 487280722 59360625508210321 118721251016420642
• Sum of all divisors σ(n): 178081877255552049
• Sum of proper divisors (its aliquot sum) s(n): 59360626239131407
• 118721251016420642 is a deficient number, because the sum of its proper divisors (59360626239131407) is less than itself. Its deficiency is 59360624777289235

Bases of 118721251016420642

• Binary: 110100101110010000101100101001010000111111010110100100010₂
• Hexadecimal: 0x1A5C8594A1FAD22
• Base-36: WGZ65SBB8YQ

Squares and roots of 118721251016420642

• 118721251016420642 squared (118721251016420642²) is 14094735442903959321195921483692164
• 118721251016420642 cubed (118721251016420642³) is 1673344624527041728258127971037631047520981863249288
• The square root of 118721251016420642 is 344559502.8676768943
• The cube root of 118721251016420642 is 491484.1176148913

Scales and comparisons

• 118,721,251,016,420,642 seconds is equal to 3,774,968,553 years, 19 weeks, 5 days, 19 hours, 4 minutes, 2 seconds.
• To count from 1 to 118,721,251,016,420,642 would take you about eleven billion, three hundred twenty-four million, nine hundred five thousand, six hundred sixty 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 118721251016420642 cubic inches would be around 40957 feet tall.

Recreational maths with 118721251016420642

• 118721251016420642 backwards is 246024610152127811
• The number of decimal digits it has is: 18
• The sum of 118721251016420642's digits is 53
• More coming soon!