21528246922

Names of 21528246922

• Cardinal: 21528246922 can be written as Twenty-one billion, five hundred twenty-eight million, two hundred forty-six thousand, nine hundred twenty-two.

Scientific notation

• Scientific notation: 2.1528246922 × 10¹⁰

Factors of 21528246922

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1036

Divisors of 21528246922

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 7 13 14 17 26 34 49 91 98 119 182 221 238 442 637 833 997 1274 1547 1666 1994 3094 6979 10829 12961 13958 16949 21658 25922 33898 48853 90727 97706 118643 181454 220337 237286 440674 635089 830501 994009 1270178 1542359 1661002 1988018 3084718 6958063 10796513 12922117 13916126 16898153 21593026 25844234 33796306 48706441 90454819 97412882 118287071 180909638 219675989 236574142 439351978 633183733 828009497 1266367466 1537731923 1656018994 3075463846 10764123461 21528246922
• Sum of all divisors σ(n): 42876841644
• Sum of proper divisors (its aliquot sum) s(n): 21348594722
• 21528246922 is a deficient number, because the sum of its proper divisors (21348594722) is less than itself. Its deficiency is 179652200

Bases of 21528246922

• Binary: 10100000011001011101111101010001010₂
• Hexadecimal: 0x5032EFA8A
• Base-36: 9W1D1MY

Squares and roots of 21528246922

• 21528246922 squared (21528246922²) is 463465415534602474084
• 21528246922 cubed (21528246922³) is 9977597905436256697192457769448
• The square root of 21528246922 is 146725.0725745259
• The cube root of 21528246922 is 2781.8660987575

Scales and comparisons

• 21,528,246,922 seconds is equal to 684 years, 27 weeks, 4 days, 12 hours, 35 minutes, 22 seconds.
• To count from 1 to 21,528,246,922 would take you about one thousand, three hundred sixty-nine 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 21528246922 cubic inches would be around 231.8 feet tall.

Recreational maths with 21528246922

• 21528246922 backwards is 22964282512
• The number of decimal digits it has is: 11
• The sum of 21528246922's digits is 43
• More coming soon!