20496840

Names of 20496840

• Cardinal: 20496840 can be written as Twenty million, four hundred ninety-six thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.049684 × 10⁷

Factors of 20496840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1907

Divisors of 20496840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 52 56 60 65 70 78 84 91 104 105 120 130 140 156 168 182 195 210 260 273 280 312 364 390 420 455 520 546 728 780 840 910 1092 1365 1560 1820 1877 2184 2730 3640 3754 5460 5631 7508 9385 10920 11262 13139 15016 18770 22524 24401 26278 28155 37540 39417 45048 48802 52556 56310 65695 73203 75080 78834 97604 105112 112620 122005 131390 146406 157668 170807 195208 197085 225240 244010 262780 292812 315336 341614 366015 394170 488020 512421 525560 585624 683228 732030 788340 854035 976040 1024842 1366456 1464060 1576680 1708070 2049684 2562105 2928120 3416140 4099368 5124210 6832280 10248420 20496840
• Sum of all divisors σ(n): 75720960
• Sum of proper divisors (its aliquot sum) s(n): 55224120
• 20496840 is an abundant number, because the sum of its proper divisors (55224120) is greater than itself. Its abundance is 34727280

Bases of 20496840

• Binary: 1001110001100000111001000₂
• Hexadecimal: 0x138C1C8
• Base-36: C7BGO

Squares and roots of 20496840

• 20496840 squared (20496840²) is 420120449985600
• 20496840 cubed (20496840³) is 8611141644082845504000
• The square root of 20496840 is 4527.3435919975
• The cube root of 20496840 is 273.6711204941

Scales and comparisons

• 20,496,840 seconds is equal to 33 weeks, 6 days, 5 hours, 34 minutes.
• To count from 1 to 20,496,840 would take you about fifty weeks!

  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 20496840 cubic inches would be around 22.8 feet tall.

Recreational maths with 20496840

• 20496840 backwards is 04869402
• The number of decimal digits it has is: 8
• The sum of 20496840's digits is 33
• More coming soon!