21020201003

Names of 21020201003

• Cardinal: 21020201003 can be written as Twenty-one billion, twenty million, two hundred one thousand and three.

Scientific notation

• Scientific notation: 2.1020201003 × 10¹⁰

Factors of 21020201003

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1729716

Divisors of 21020201003

• Number of divisors d(n): 4
• Complete list of divisors:
  1 12239 1717477 21020201003
• Sum of all divisors σ(n): 21021930720
• Sum of proper divisors (its aliquot sum) s(n): 1729717
• 21020201003 is a deficient number, because the sum of its proper divisors (1729717) is less than itself. Its deficiency is 21018471286

Bases of 21020201003

• Binary: 10011100100111001101101000000101011₂
• Hexadecimal: 0x4E4E6D02B
• Base-36: 9NMVUWB

Squares and roots of 21020201003

• 21020201003 squared (21020201003²) is 441848850206522206009
• 21020201003 cubed (21020201003³) is 9287751644285534831892154427027
• The square root of 21020201003 is 144983.4507900815
• The cube root of 21020201003 is 2759.8085442265

Scales and comparisons

• 21,020,201,003 seconds is equal to 668 years, 19 weeks, 4 days, 8 hours, 43 minutes, 23 seconds.
• To count from 1 to 21,020,201,003 would take you about one thousand, three hundred thirty-six 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 21020201003 cubic inches would be around 230 feet tall.

Recreational maths with 21020201003

• 21020201003 backwards is 30010202012
• The number of decimal digits it has is: 11
• The sum of 21020201003's digits is 11
• More coming soon!