21840340987003

Names of 21840340987003

• Cardinal: 21840340987003 can be written as Twenty-one trillion, eight hundred forty billion, three hundred forty million, nine hundred eighty-seven thousand and three.

Scientific notation

• Scientific notation: 2.1840340987003 × 10¹³

Factors of 21840340987003

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 205629

Divisors of 21840340987003

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 11 31 77 121 217 341 847 2387 3751 4129 26257 28903 45419 127999 201451 317933 499609 895993 1407989 1410157 2215961 3497263 6244981 9855923 15487879 15511727 24375571 43714867 68694791 108415153 170628997 480863537 755642701 831791179 5289498907 5822538253 9149702969 25785526549 64047920783 100646732659 180498685843 283640792039 704527128613 1985485544273 3120048712429 21840340987003
• Sum of all divisors σ(n): 28327825684480
• Sum of proper divisors (its aliquot sum) s(n): 6487484697477
• 21840340987003 is a deficient number, because the sum of its proper divisors (6487484697477) is less than itself. Its deficiency is 15352856289526

Bases of 21840340987003

• Binary: 100111101110100011001110001000010110001111011₂
• Hexadecimal: 0x13DD19C42C7B
• Base-36: 7QPBB4F3V

Squares and roots of 21840340987003

• 21840340987003 squared (21840340987003²) is 477000494428563176214922009
• 21840340987003 cubed (21840340987003³) is 10417853449288844482488950363699727649027
• The square root of 21840340987003 is 4673365.0603182071
• The cube root of 21840340987003 is 27952.4452092105

Scales and comparisons

• 21,840,340,987,003 seconds is equal to 694,455 years, 14 weeks, 6 days, 9 hours, 16 minutes, 43 seconds.
• To count from 1 to 21,840,340,987,003 would take you about one million, seven hundred thirty-six thousand, one 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 21840340987003 cubic inches would be around 2329.4 feet tall.

Recreational maths with 21840340987003

• 21840340987003 backwards is 30078904304812
• The number of decimal digits it has is: 14
• The sum of 21840340987003's digits is 49
• More coming soon!