21239082323904

Names of 21239082323904

• Cardinal: 21239082323904 can be written as Twenty-one trillion, two hundred thirty-nine billion, eighty-two million, three hundred twenty-three thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1239082323904 × 10¹³

Factors of 21239082323904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2698054203

Divisors of 21239082323904

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 41 48 64 82 96 123 164 192 246 328 492 656 984 1312 1968 2624 3936 7872 2698054157 5396108314 8094162471 10792216628 16188324942 21584433256 32376649884 43168866512 64753299768 86337733024 110620220437 129506599536 172675466048 221240440874 259013199072 331860661311 442480881748 518026398144 663721322622 884961763496 1327442645244 1769923526992 2654885290488 3539847053984 5309770580976 7079694107968 10619541161952 21239082323904
• Sum of all divisors σ(n): 57565683515088
• Sum of proper divisors (its aliquot sum) s(n): 36326601191184
• 21239082323904 is an abundant number, because the sum of its proper divisors (36326601191184) is greater than itself. Its abundance is 15087518867280

Bases of 21239082323904

• Binary: 100110101000100011011111101010000111111000000₂
• Hexadecimal: 0x13511BF50FC0
• Base-36: 7J13L8LHC

Squares and roots of 21239082323904

• 21239082323904 squared (21239082323904²) is 451098617961571337169801216
• 21239082323904 cubed (21239082323904³) is 9580920683085133231223858344971005067264
• The square root of 21239082323904 is 4608587.8882694643
• The cube root of 21239082323904 is 27693.5469265029

Scales and comparisons

• 21,239,082,323,904 seconds is equal to 675,337 years, 6 weeks, 2 days, 1 hour, 58 minutes, 24 seconds.
• To count from 1 to 21,239,082,323,904 would take you about one million, six hundred eighty-eight thousand, three hundred forty-two 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 21239082323904 cubic inches would be around 2307.8 feet tall.

Recreational maths with 21239082323904

• 21239082323904 backwards is 40932328093212
• 21239082323904 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21239082323904's digits is 48
• More coming soon!