19985340

Names of 19985340

• Cardinal: 19985340 can be written as Nineteen million, nine hundred eighty-five thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.998534 × 10⁷

Factors of 19985340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 449

Divisors of 19985340

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 19 20 30 38 47 57 60 76 94 95 114 141 188 190 228 235 282 285 373 380 470 564 570 705 746 893 940 1119 1140 1410 1492 1786 1865 2238 2679 2820 3572 3730 4465 4476 5358 5595 7087 7460 8930 10716 11190 13395 14174 17531 17860 21261 22380 26790 28348 35062 35435 42522 52593 53580 70124 70870 85044 87655 105186 106305 141740 175310 210372 212610 262965 333089 350620 425220 525930 666178 999267 1051860 1332356 1665445 1998534 3330890 3997068 4996335 6661780 9992670 19985340
• Sum of all divisors σ(n): 60318720
• Sum of proper divisors (its aliquot sum) s(n): 40333380
• 19985340 is an abundant number, because the sum of its proper divisors (40333380) is greater than itself. Its abundance is 20348040

Bases of 19985340

• Binary: 1001100001111001110111100₂
• Hexadecimal: 0x130F3BC
• Base-36: BWCSC

Squares and roots of 19985340

• 19985340 squared (19985340²) is 399413814915600
• 19985340 cubed (19985340³) is 7982420891785337304000
• The square root of 19985340 is 4470.4966167083
• The cube root of 19985340 is 271.3754231775

Scales and comparisons

• 19,985,340 seconds is equal to 33 weeks, 7 hours, 29 minutes.
• To count from 1 to 19,985,340 would take you about forty-nine 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 19985340 cubic inches would be around 22.6 feet tall.

Recreational maths with 19985340

• 19985340 backwards is 04358991
• The number of decimal digits it has is: 8
• The sum of 19985340's digits is 39
• More coming soon!