21244967120

Names of 21244967120

• Cardinal: 21244967120 can be written as Twenty-one billion, two hundred forty-four million, nine hundred sixty-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.124496712 × 10¹⁰

Factors of 21244967120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 659014

Divisors of 21244967120

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 31 40 52 62 65 80 104 124 130 155 208 248 260 310 403 496 520 620 806 1040 1240 1612 2015 2480 3224 4030 6448 8060 16120 32240 658963 1317926 2635852 3294815 5271704 6589630 8566519 10543408 13179260 17133038 20427853 26358520 34266076 40855706 42832595 52717040 68532152 81711412 85665190 102139265 137064304 163422824 171330380 204278530 265562089 326845648 342660760 408557060 531124178 685321520 817114120 1062248356 1327810445 1634228240 2124496712 2655620890 4248993424 5311241780 10622483560 21244967120
• Sum of all divisors σ(n): 54910152192
• Sum of proper divisors (its aliquot sum) s(n): 33665185072
• 21244967120 is an abundant number, because the sum of its proper divisors (33665185072) is greater than itself. Its abundance is 12420217952

Bases of 21244967120

• Binary: 10011110010010011000111100011010000₂
• Hexadecimal: 0x4F24C78D0
• Base-36: 9RCPDJK

Squares and roots of 21244967120

• 21244967120 squared (21244967120²) is 451348627929881094400
• 21244967120 cubed (21244967120³) is 9588886760027437516037616128000
• The square root of 21244967120 is 145756.5337129009
• The cube root of 21244967120 is 2769.6104410313

Scales and comparisons

• 21,244,967,120 seconds is equal to 675 years, 27 weeks, 1 day, 19 hours, 45 minutes, 20 seconds.
• To count from 1 to 21,244,967,120 would take you about one thousand, three hundred fifty-one 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 21244967120 cubic inches would be around 230.8 feet tall.

Recreational maths with 21244967120

• 21244967120 backwards is 02176944212
• The number of decimal digits it has is: 11
• The sum of 21244967120's digits is 38
• More coming soon!