421415747942

Names of 421415747942

• Cardinal: 421415747942 can be written as Four hundred twenty-one billion, four hundred fifteen million, seven hundred forty-seven thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 4.21415747942 × 10¹¹

Factors of 421415747942

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 72084

Divisors of 421415747942

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 7 14 241 482 1687 1783 3374 3566 12481 24962 70051 140102 429703 490357 859406 980714 3007921 6015842 16882291 33764582 118176037 124900933 236352074 249801866 874306531 1748613062 30101124853 60202249706 210707873971 421415747942
• Sum of all divisors σ(n): 725841836544
• Sum of proper divisors (its aliquot sum) s(n): 304426088602
• 421415747942 is a deficient number, because the sum of its proper divisors (304426088602) is less than itself. Its deficiency is 116989659340

Bases of 421415747942

• Binary: 110001000011110010101100000000101100110₂
• Hexadecimal: 0x621E560166
• Base-36: 5DLG206E

Squares and roots of 421415747942

• 421415747942 squared (421415747942²) is 177591232613515277235364
• 421415747942 cubed (421415747942³) is 74839742119766243973984406032620888
• The square root of 421415747942 is 649165.4241732225
• The cube root of 421415747942 is 7497.2775181883

Scales and comparisons

• 421,415,747,942 seconds is equal to 13,399 years, 37 weeks, 2 days, 1 hour, 59 minutes, 2 seconds.
• To count from 1 to 421,415,747,942 would take you about twenty-six thousand, seven hundred ninety-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 421415747942 cubic inches would be around 624.8 feet tall.

Recreational maths with 421415747942

• 421415747942 backwards is 249747514124
• The number of decimal digits it has is: 12
• The sum of 421415747942's digits is 50
• More coming soon!