21441644833715742

Names of 21441644833715742

• Cardinal: 21441644833715742 can be written as Twenty-one quadrillion, four hundred forty-one trillion, six hundred forty-four billion, eight hundred thirty-three million, seven hundred fifteen thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.1441644833715742 × 10¹⁶

Factors of 21441644833715742

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3573607472285962

Divisors of 21441644833715742

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 3573607472285957 7147214944571914 10720822416857871 21441644833715742
• Sum of all divisors σ(n): 42883289667431496
• Sum of proper divisors (its aliquot sum) s(n): 21441644833715754
• 21441644833715742 is an abundant number, because the sum of its proper divisors (21441644833715754) is greater than itself. Its abundance is 12

Bases of 21441644833715742

• Binary: 1001100001011010000111111110111101101101011011000011110₂
• Hexadecimal: 0x4C2D0FF7B6B61E
• Base-36: 5V4FFNJ4OWU

Squares and roots of 21441644833715742

• 21441644833715742 squared (21441644833715742²) is 459744133175208969401634458610564
• 21441644833715742 cubed (21441644833715742³) is 9857670417927341467832901009399416600490654298488
• The square root of 21441644833715742 is 146429658.3131837469
• The cube root of 21441644833715742 is 277813.0863785367

Scales and comparisons

• 21,441,644,833,715,742 seconds is equal to 681,777,982 years, 18 weeks, 1 day, 9 hours, 55 minutes, 42 seconds.
• To count from 1 to 21,441,644,833,715,742 would take you about two billion, forty-five million, three hundred thirty-three thousand, nine hundred forty-seven 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 21441644833715742 cubic inches would be around 23151.1 feet tall.

Recreational maths with 21441644833715742

• 21441644833715742 backwards is 24751733844614412
• The number of decimal digits it has is: 17
• The sum of 21441644833715742's digits is 66
• More coming soon!