42815314889867915816821

Names of 42815314889867915816821

• Cardinal: 42815314889867915816821 can be written as Forty-two sextillion, eight hundred fifteen quintillion, three hundred fourteen quadrillion, eight hundred eighty-nine trillion, eight hundred sixty-seven billion, nine hundred fifteen million, eight hundred sixteen thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 4.2815314889867915816821 × 10²²

Factors of 42815314889867915816821

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1861535429994257209450

Divisors of 42815314889867915816821

• Number of divisors d(n): 4
• Complete list of divisors:
  1 23 1861535429994257209427 42815314889867915816821
• Sum of all divisors σ(n): 44676850319862173026272
• Sum of proper divisors (its aliquot sum) s(n): 1861535429994257209451
• 42815314889867915816821 is a deficient number, because the sum of its proper divisors (1861535429994257209451) is less than itself. Its deficiency is 40953779459873658607370

Bases of 42815314889867915816821

• Binary: 1001000100010000010111011010110111110001001100001110000110011110111101110101₂
• Hexadecimal: 0x91105DADF130E19EF75
• Base-36: 6YZUOUIKVDTK9RP

Squares and roots of 42815314889867915816821

• 42815314889867915816821 squared (42815314889867915816821²) is 1833151189118545260310422793760826063626546041
• 42815314889867915816821 cubed (42815314889867915816821³) is 78486945402846326581449435460194451137995702220395444273673478755661
• The square root of 42815314889867915816821 is 206918619002.4182328823
• The cube root of 42815314889867915816821 is 34983751.6117265031

Scales and comparisons

• 42,815,314,889,867,915,816,821 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 42,815,314,889,867,915,816,821 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 42815314889867915816821 cubic inches would be around 2915312.6 feet tall.

Recreational maths with 42815314889867915816821

• 42815314889867915816821 backwards is 12861851976898841351824
• The number of decimal digits it has is: 23
• The sum of 42815314889867915816821's digits is 115
• More coming soon!