21120227584

Names of 21120227584

• Cardinal: 21120227584 can be written as Twenty-one billion, one hundred twenty million, two hundred twenty-seven thousand, five hundred eighty-four.

Scientific notation

• Scientific notation: 2.1120227584 × 10¹⁰

Factors of 21120227584

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 326

Divisors of 21120227584

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 8 16 31 32 62 64 124 128 248 256 293 496 586 961 992 1172 1922 1984 2344 3844 3968 4688 7688 7936 9083 9376 15376 18166 18752 30752 36332 37504 61504 72664 75008 85849 123008 145328 171698 246016 281573 290656 343396 563146 581312 686792 1126292 1162624 1373584 2252584 2325248 2661319 2747168 4505168 5322638 5494336 9010336 10645276 10988672 18020672 21290552 21977344 36041344 42581104 72082688 82500889 85162208 165001778 170324416 330003556 340648832 660007112 681297664 1320014224 2640028448 5280056896 10560113792 21120227584
• Sum of all divisors σ(n): 43710939489
• Sum of proper divisors (its aliquot sum) s(n): 22590711905
• 21120227584 is an abundant number, because the sum of its proper divisors (22590711905) is greater than itself. Its abundance is 1470484321

Bases of 21120227584

• Binary: 10011101010110111010001100100000000₂
• Hexadecimal: 0x4EADD1900
• Base-36: 9PAFRWG

Squares and roots of 21120227584

• 21120227584 squared (21120227584²) is 446064013199954477056
• 21120227584 cubed (21120227584³) is 9420973475815418653862426312704
• 21120227584 is a perfect square number. Its square root is 145328
• The cube root of 21120227584 is 2764.1792206415

Scales and comparisons

• 21,120,227,584 seconds is equal to 671 years, 29 weeks, 1 hour, 53 minutes, 4 seconds.
• To count from 1 to 21,120,227,584 would take you about one thousand, three hundred forty-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 21120227584 cubic inches would be around 230.3 feet tall.

Recreational maths with 21120227584

• 21120227584 backwards is 48572202112
• The number of decimal digits it has is: 11
• The sum of 21120227584's digits is 34
• More coming soon!