21442665024

Names of 21442665024

• Cardinal: 21442665024 can be written as Twenty-one billion, four hundred forty-two million, six hundred sixty-five thousand and twenty-four.

Scientific notation

• Scientific notation: 2.1442665024 × 10¹⁰

Factors of 21442665024

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3384275

Divisors of 21442665024

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 132 144 176 192 198 264 288 352 396 528 576 704 792 1056 1584 2112 3168 6336 3384259 6768518 10152777 13537036 20305554 27074072 30458331 37226849 40611108 54148144 60916662 74453698 81222216 108296288 111680547 121833324 148907396 162444432 216592576 223361094 243666648 297814792 324888864 335041641 446722188 487333296 595629584 649777728 670083282 893444376 974666592 1191259168 1340166564 1786888752 1949333184 2382518336 2680333128 3573777504 5360666256 7147555008 10721332512 21442665024
• Sum of all divisors σ(n): 67048959120
• Sum of proper divisors (its aliquot sum) s(n): 45606294096
• 21442665024 is an abundant number, because the sum of its proper divisors (45606294096) is greater than itself. Its abundance is 24163629072

Bases of 21442665024

• Binary: 10011111110000101010001101001000000₂
• Hexadecimal: 0x4FE151A40
• Base-36: 9UMEQ80

Squares and roots of 21442665024

• 21442665024 squared (21442665024²) is 459787883331472920576
• 21442665024 cubed (21442665024³) is 9859077564370766992438125133824
• The square root of 21442665024 is 146433.1418224713
• The cube root of 21442665024 is 2778.1749241047

Scales and comparisons

• 21,442,665,024 seconds is equal to 681 years, 42 weeks, 23 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,442,665,024 would take you about one thousand, three hundred sixty-three 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 21442665024 cubic inches would be around 231.5 feet tall.

Recreational maths with 21442665024

• 21442665024 backwards is 42056624412
• 21442665024 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21442665024's digits is 36
• More coming soon!