21073304142

Names of 21073304142

• Cardinal: 21073304142 can be written as Twenty-one billion, seventy-three million, three hundred four thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 2.1073304142 × 10¹⁰

Factors of 21073304142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2086912

Divisors of 21073304142

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 11 17 18 22 27 33 34 51 54 66 99 102 153 187 198 297 306 374 459 561 594 918 1122 1683 3366 5049 10098 2086879 4173758 6260637 12521274 18781911 22955669 35476943 37563822 45911338 56345733 68867007 70953886 106430829 112691466 137734014 206601021 212861658 319292487 390246373 413202042 619803063 638584974 780492746 957877461 1170739119 1239606126 1915754922 2341478238 3512217357 7024434714 10536652071 21073304142
• Sum of all divisors σ(n): 54091929600
• Sum of proper divisors (its aliquot sum) s(n): 33018625458
• 21073304142 is an abundant number, because the sum of its proper divisors (33018625458) is greater than itself. Its abundance is 11945321316

Bases of 21073304142

• Binary: 10011101000000100010001101001001110₂
• Hexadecimal: 0x4E8111A4E
• Base-36: 9OII1JI

Squares and roots of 21073304142

• 21073304142 squared (21073304142²) is 444084147461234356164
• 21073304142 cubed (21073304142³) is 9358320304091368742183524431288
• The square root of 21073304142 is 145166.4704468631
• The cube root of 21073304142 is 2762.1306161635

Scales and comparisons

• 21,073,304,142 seconds is equal to 670 years, 3 weeks, 2 days, 23 hours, 35 minutes, 42 seconds.
• To count from 1 to 21,073,304,142 would take you about one thousand, three hundred forty 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 21073304142 cubic inches would be around 230.2 feet tall.

Recreational maths with 21073304142

• 21073304142 backwards is 24140337012
• 21073304142 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21073304142's digits is 27
• More coming soon!