21084240304

Names of 21084240304

• Cardinal: 21084240304 can be written as Twenty-one billion, eighty-four million, two hundred forty thousand, three hundred four.

Scientific notation

• Scientific notation: 2.1084240304 × 10¹⁰

Factors of 21084240304

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 382

Divisors of 21084240304

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 31 62 124 248 349 496 698 1396 2792 5584 10819 21638 43276 86552 121801 173104 243602 487204 974408 1948816 3775831 7551662 15103324 30206648 42508549 60413296 85017098 170034196 340068392 680136784 1317765019 2635530038 5271060076 10542120152 21084240304
• Sum of all divisors σ(n): 42289654400
• Sum of proper divisors (its aliquot sum) s(n): 21205414096
• 21084240304 is an abundant number, because the sum of its proper divisors (21205414096) is greater than itself. Its abundance is 121173792

Bases of 21084240304

• Binary: 10011101000101101111111100110110000₂
• Hexadecimal: 0x4E8B7F9B0
• Base-36: 9OP0FXS

Squares and roots of 21084240304

• 21084240304 squared (21084240304²) is 444545189196818012416
• 21084240304 cubed (21084240304³) is 9372897595012855725934599614464
• The square root of 21084240304 is 145204.1332194095
• The cube root of 21084240304 is 2762.6083435569

Scales and comparisons

• 21,084,240,304 seconds is equal to 670 years, 21 weeks, 3 days, 13 hours, 25 minutes, 4 seconds.
• To count from 1 to 21,084,240,304 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 21084240304 cubic inches would be around 230.2 feet tall.

Recreational maths with 21084240304

• 21084240304 backwards is 40304248012
• The number of decimal digits it has is: 11
• The sum of 21084240304's digits is 28
• More coming soon!