21413829384

Names of 21413829384

• Cardinal: 21413829384 can be written as Twenty-one billion, four hundred thirteen million, eight hundred twenty-nine thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1413829384 × 10¹⁰

Factors of 21413829384

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 33046038

Divisors of 21413829384

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 33046033 66092066 99138099 132184132 198276198 264368264 297414297 396552396 594828594 793104792 892242891 1189657188 1784485782 2379314376 2676728673 3568971564 5353457346 7137943128 10706914692 21413829384
• Sum of all divisors σ(n): 59978551710
• Sum of proper divisors (its aliquot sum) s(n): 38564722326
• 21413829384 is an abundant number, because the sum of its proper divisors (38564722326) is greater than itself. Its abundance is 17150892942

Bases of 21413829384

• Binary: 10011111100010111010001101100001000₂
• Hexadecimal: 0x4FC5D1B08
• Base-36: 9U58OI0

Squares and roots of 21413829384

• 21413829384 squared (21413829384²) is 458552088887061819456
• 21413829384 cubed (21413829384³) is 9819356195104344246891395695104
• The square root of 21413829384 is 146334.6486106417
• The cube root of 21413829384 is 2776.9290219279

Scales and comparisons

• 21,413,829,384 seconds is equal to 680 years, 46 weeks, 3 days, 5 hours, 56 minutes, 24 seconds.
• To count from 1 to 21,413,829,384 would take you about one thousand, three hundred sixty-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 21413829384 cubic inches would be around 231.4 feet tall.

Recreational maths with 21413829384

• 21413829384 backwards is 48392831412
• The number of decimal digits it has is: 11
• The sum of 21413829384's digits is 45
• More coming soon!