421490867007686

Names of 421490867007686

• Cardinal: 421490867007686 can be written as Four hundred twenty-one trillion, four hundred ninety billion, eight hundred sixty-seven million, seven thousand, six hundred eighty-six.

Scientific notation

• Scientific notation: 4.21490867007686 × 10¹⁴

Factors of 421490867007686

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 392768323

Divisors of 421490867007686

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 7 14 76667 153334 536669 1073338 392691647 785383294 2748841529 5497683058 30106490500549 60212981001098 210745433503843 421490867007686
• Sum of all divisors σ(n): 722565198452736
• Sum of proper divisors (its aliquot sum) s(n): 301074331445050
• 421490867007686 is a deficient number, because the sum of its proper divisors (301074331445050) is less than itself. Its deficiency is 120416535562636

Bases of 421490867007686

• Binary: 1011111110101011111111101011001110111000011000110₂
• Hexadecimal: 0x17F57FD6770C6
• Base-36: 45EM8BN7IE

Squares and roots of 421490867007686

• 421490867007686 squared (421490867007686²) is 177654550970890846607583074596
• 421490867007686 cubed (421490867007686³) is 74879770716581927577756465933019598243344856
• The square root of 421490867007686 is 20530242.7410804377
• The cube root of 421490867007686 is 74977.2296509341

Scales and comparisons

• 421,490,867,007,686 seconds is equal to 13,402,105 years, 42 weeks, 2 days, 7 hours, 1 minute, 26 seconds.
• To count from 1 to 421,490,867,007,686 would take you about thirty-three million, five hundred five thousand, two hundred sixty-four 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 421490867007686 cubic inches would be around 6248.1 feet tall.

Recreational maths with 421490867007686

• 421490867007686 backwards is 686700768094124
• The number of decimal digits it has is: 15
• The sum of 421490867007686's digits is 68
• More coming soon!