438421737439231998

Names of 438421737439231998

• Cardinal: 438421737439231998 can be written as Four hundred thirty-eight quadrillion, four hundred twenty-one trillion, seven hundred thirty-seven billion, four hundred thirty-nine million, two hundred thirty-one thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 4.38421737439231998 × 10¹⁷

Factors of 438421737439231998

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 14686672

Divisors of 438421737439231998

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 39239 78478 117717 128257 235434 256514 384771 769542 14519171 29038342 43557513 87115026 5032676423 10065352846 15098029269 30196058538 569717750869 1139435501738 1709153252607 1862185314947 3418306505214 3724370629894 5586555944841 11173111889682 73070289573205333 146140579146410666 219210868719615999 438421737439231998
• Sum of all divisors σ(n): 876872718283610880
• Sum of proper divisors (its aliquot sum) s(n): 438450980844378882
• 438421737439231998 is an abundant number, because the sum of its proper divisors (438450980844378882) is greater than itself. Its abundance is 29243405146884

Bases of 438421737439231998

• Binary: 11000010101100101100011111101010001110111111111111111111110₂
• Hexadecimal: 0x615963F51DFFFFE
• Base-36: 3BWVJ9PHI8E6

Squares and roots of 438421737439231998

• 438421737439231998 squared (438421737439231998²) is 192213619859234880211205800067072004
• 438421737439231998 cubed (438421737439231998³) is 84270629178169823966767988916339010050399518326783992
• The square root of 438421737439231998 is 662134229.1705149403
• The cube root of 438421737439231998 is 759679.9999999989

Scales and comparisons

• 438,421,737,439,231,998 seconds is equal to 13,940,455,123 years, 4 weeks, 5 days, 22 hours, 13 minutes, 18 seconds.
• To count from 1 to 438,421,737,439,231,998 would take you about forty-one billion, eight hundred twenty-one million, three hundred sixty-five thousand, three hundred sixty-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 438421737439231998 cubic inches would be around 63306.7 feet tall.

Recreational maths with 438421737439231998

• 438421737439231998 backwards is 899132934737124834
• The number of decimal digits it has is: 18
• The sum of 438421737439231998's digits is 87
• More coming soon!