420780821517189

Names of 420780821517189

• Cardinal: 420780821517189 can be written as Four hundred twenty trillion, seven hundred eighty billion, eight hundred twenty-one million, five hundred seventeen thousand, one hundred eighty-nine.

Scientific notation

• Scientific notation: 4.20780821517189 × 10¹⁴

Factors of 420780821517189

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 49095908

Divisors of 420780821517189

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 7 9 21 27 63 189 45389 136167 317723 408501 953169 1225503 2859507 8578521 49050509 147151527 343353563 441454581 1030060689 1324363743 3090182067 9270546201 2226353553001 6679060659003 15584474871007 20037181977009 46753424613021 60111545931027 140260273839063 420780821517189
• Sum of all divisors σ(n): 712448847648000
• Sum of proper divisors (its aliquot sum) s(n): 291668026130811
• 420780821517189 is a deficient number, because the sum of its proper divisors (291668026130811) is less than itself. Its deficiency is 129112795386378

Bases of 420780821517189

• Binary: 1011111101011001010101011011001010001001110000101₂
• Hexadecimal: 0x17EB2AB651385
• Base-36: 455K1GW4N9

Squares and roots of 420780821517189

• 420780821517189 squared (420780821517189²) is 177056499756680465331822461721
• 420780821517189 cubed (420780821517189³) is 74501979422573980489644106053703380096022269
• The square root of 420780821517189 is 20512942.7805273469
• The cube root of 420780821517189 is 74935.1036560013

Scales and comparisons

• 420,780,821,517,189 seconds is equal to 13,379,528 years, 29 weeks, 2 days, 4 hours, 33 minutes, 9 seconds.
• To count from 1 to 420,780,821,517,189 would take you about thirty-three million, four hundred forty-eight thousand, eight hundred twenty-one 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 420780821517189 cubic inches would be around 6244.6 feet tall.

Recreational maths with 420780821517189

• 420780821517189 backwards is 981715128087024
• 420780821517189 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 420780821517189's digits is 63
• More coming soon!