21356321871276741

Names of 21356321871276741

• Cardinal: 21356321871276741 can be written as Twenty-one quadrillion, three hundred fifty-six trillion, three hundred twenty-one billion, eight hundred seventy-one million, two hundred seventy-six thousand, seven hundred forty-one.

Scientific notation

• Scientific notation: 2.1356321871276741 × 10¹⁶

Factors of 21356321871276741

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 106250357568611

Divisors of 21356321871276741

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 67 201 106250357568541 318751072705623 7118773957092247 21356321871276741
• Sum of all divisors σ(n): 28900097258643424
• Sum of proper divisors (its aliquot sum) s(n): 7543775387366683
• 21356321871276741 is a deficient number, because the sum of its proper divisors (7543775387366683) is less than itself. Its deficiency is 13812546483910058

Bases of 21356321871276741

• Binary: 1001011110111110111011000101010110110001010101011000101₂
• Hexadecimal: 0x4BDF762AD8AAC5
• Base-36: 5UA6MTQ9N0L

Squares and roots of 21356321871276741

• 21356321871276741 squared (21356321871276741²) is 456092483869573280382881407581081
• 21356321871276741 cubed (21356321871276741³) is 9740457888588702049356695037909544349737946937021
• The square root of 21356321871276741 is 146138023.3590038025
• The cube root of 21356321871276741 is 277444.0949904751

Scales and comparisons

• 21,356,321,871,276,741 seconds is equal to 679,064,976 years, 3 weeks, 2 days, 22 hours, 12 minutes, 21 seconds.
• To count from 1 to 21,356,321,871,276,741 would take you about two billion, thirty-seven million, one hundred ninety-four thousand, nine hundred twenty-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 21356321871276741 cubic inches would be around 23120.3 feet tall.

Recreational maths with 21356321871276741

• 21356321871276741 backwards is 14767217812365312
• The number of decimal digits it has is: 17
• The sum of 21356321871276741's digits is 66
• More coming soon!