420455702139

Names of 420455702139

• Cardinal: 420455702139 can be written as Four hundred twenty billion, four hundred fifty-five million, seven hundred two thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 4.20455702139 × 10¹¹

Factors of 420455702139

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 997115

Divisors of 420455702139

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 11 19 33 57 209 627 673 2019 7403 12787 22209 38361 140657 421971 996409 2989227 10960499 18931771 32881497 56795313 208249481 624748443 670583257 2011749771 7376415827 12741081883 22129247481 38223245649 140151900713 420455702139
• Sum of all divisors σ(n): 644717126400
• Sum of proper divisors (its aliquot sum) s(n): 224261424261
• 420455702139 is a deficient number, because the sum of its proper divisors (224261424261) is less than itself. Its deficiency is 196194277878

Bases of 420455702139

• Binary: 110000111100101000111001101111001111011₂
• Hexadecimal: 0x61E51CDE7B
• Base-36: 5D5KGW3F

Squares and roots of 420455702139

• 420455702139 squared (420455702139²) is 176782997461199489175321
• 420455702139 cubed (420455702139³) is 74329419323785685630357721125711619
• The square root of 420455702139 is 648425.5563586309
• The cube root of 420455702139 is 7491.5798964607

Scales and comparisons

• 420,455,702,139 seconds is equal to 13,369 years, 9 weeks, 6 days, 10 hours, 35 minutes, 39 seconds.
• To count from 1 to 420,455,702,139 would take you about twenty-six thousand, seven hundred thirty-eight 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 420455702139 cubic inches would be around 624.3 feet tall.

Recreational maths with 420455702139

• 420455702139 backwards is 931207554024
• The number of decimal digits it has is: 12
• The sum of 420455702139's digits is 42
• More coming soon!