21349763584

Names of 21349763584

• Cardinal: 21349763584 can be written as Twenty-one billion, three hundred forty-nine million, seven hundred sixty-three thousand, five hundred eighty-four.

Scientific notation

• Scientific notation: 2.1349763584 × 10¹⁰

Factors of 21349763584

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 942

Divisors of 21349763584

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 16 32 53 64 106 128 212 256 424 512 848 887 1696 1774 3392 3548 6784 7096 13568 14192 27136 28384 47011 56768 94022 113536 188044 227072 376088 454144 752176 786769 1504352 1573538 3008704 3147076 6017408 6294152 12034816 12588304 24069632 25176608 41698757 50353216 83397514 100706432 166795028 201412864 333590056 402825728 667180112 1334360224 2668720448 5337440896 10674881792 21349763584
• Sum of all divisors σ(n): 43511747994
• Sum of proper divisors (its aliquot sum) s(n): 22161984410
• 21349763584 is an abundant number, because the sum of its proper divisors (22161984410) is greater than itself. Its abundance is 812220826

Bases of 21349763584

• Binary: 10011111000100010111000101000000000₂
• Hexadecimal: 0x4F88B8A00
• Base-36: 9T33J0G

Squares and roots of 21349763584

• 21349763584 squared (21349763584²) is 455812405092692525056
• 21349763584 cubed (21349763584³) is 9731487087383423015949596360704
• The square root of 21349763584 is 146115.5829608875
• The cube root of 21349763584 is 2774.1569209139

Scales and comparisons

• 21,349,763,584 seconds is equal to 678 years, 44 weeks, 3 days, 17 hours, 53 minutes, 4 seconds.
• To count from 1 to 21,349,763,584 would take you about one thousand, three hundred fifty-seven 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 21349763584 cubic inches would be around 231.2 feet tall.

Recreational maths with 21349763584

• 21349763584 backwards is 48536794312
• The number of decimal digits it has is: 11
• The sum of 21349763584's digits is 52
• More coming soon!