21210893312

Names of 21210893312

• Cardinal: 21210893312 can be written as Twenty-one billion, two hundred ten million, eight hundred ninety-three thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.1210893312 × 10¹⁰

Factors of 21210893312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3759

Divisors of 21210893312

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 512 896 1024 1129 1792 2258 2621 3584 4516 5242 7168 7903 9032 10484 15806 18064 18347 20968 31612 36128 36694 41936 63224 72256 73388 83872 126448 144512 146776 167744 252896 289024 293552 335488 505792 578048 587104 670976 1011584 1156096 1174208 1341952 2023168 2348416 2683904 2959109 4046336 4696832 5918218 8092672 9393664 11836436 18787328 20713763 23672872 41427526 47345744 82855052 94691488 165710104 189382976 331420208 378765952 662840416 757531904 1325680832 1515063808 2651361664 3030127616 5302723328 10605446656 21210893312
• Sum of all divisors σ(n): 48519795360
• Sum of proper divisors (its aliquot sum) s(n): 27308902048
• 21210893312 is an abundant number, because the sum of its proper divisors (27308902048) is greater than itself. Its abundance is 6098008736

Bases of 21210893312

• Binary: 10011110000010001001000110000000000₂
• Hexadecimal: 0x4F0448C00
• Base-36: 9QSF20W

Squares and roots of 21210893312

• 21210893312 squared (21210893312²) is 449901995093046329344
• 21210893312 cubed (21210893312³) is 9542823218774553204788798947328
• The square root of 21210893312 is 145639.6007684723
• The cube root of 21210893312 is 2768.1289658913

Scales and comparisons

• 21,210,893,312 seconds is equal to 674 years, 22 weeks, 6 days, 10 hours, 48 minutes, 32 seconds.
• To count from 1 to 21,210,893,312 would take you about one thousand, three hundred forty-eight 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 21210893312 cubic inches would be around 230.7 feet tall.

Recreational maths with 21210893312

• 21210893312 backwards is 21339801212
• 21210893312 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21210893312's digits is 32
• More coming soon!