21198206250

Names of 21198206250

• Cardinal: 21198206250 can be written as Twenty-one billion, one hundred ninety-eight million, two hundred six thousand, two hundred fifty.

Scientific notation

• Scientific notation: 2.119820625 × 10¹⁰

Factors of 21198206250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3244

Divisors of 21198206250

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 25 26 27 30 39 45 50 54 65 75 78 81 90 117 125 130 135 150 162 195 225 234 250 270 325 351 375 390 405 450 585 625 650 675 702 750 810 975 1053 1125 1170 1250 1350 1625 1755 1875 1950 2025 2106 2250 2925 3125 3221 3250 3375 3510 3750 4050 4875 5265 5625 5850 6250 6442 6750 8125 8775 9375 9663 9750 10125 10530 11250 14625 16105 16250 16875 17550 18750 19326 20250 24375 26325 28125 28989 29250 32210 33750 40625 41873 43875 48315 48750 50625 52650 56250 57978 73125 80525 81250 83746 84375 86967 87750 96630 101250 121875 125619 131625 144945 146250 161050 168750 173934 209365 219375 241575 243750 251238 253125 260901 263250 289890 365625 376857 402625 418730 434835 438750 483150 506250 521802 628095 658125 724725 731250 753714 805250 869670 1046825 1096875 1130571 1207875 1256190 1304505 1316250 1449450 1884285 2013125 2093650 2174175 2193750 2261142 2415750 2609010 3140475 3290625 3391713 3623625 3768570 4026250 4348350 5234125 5652855 6039375 6280950 6522525 6581250 6783426 7247250 9421425 10065625 10468250 10870875 11305710 12078750 13045050 15702375 16958565 18118125 18842850 20131250 21741750 26170625 28264275 30196875 31404750 32612625 33917130 36236250 47107125 52341250 54354375 56528550 60393750 65225250 78511875 84792825 90590625 94214250 108708750 130853125 141321375 157023750 163063125 169585650 181181250 235535625 261706250 271771875 282642750 326126250 392559375 423964125 471071250 543543750 706606875 785118750 815315625 847928250 1177678125 1413213750 1630631250 2119820625 2355356250 3533034375 4239641250 7066068750 10599103125 21198206250
• Sum of all divisors σ(n): 63957640824
• Sum of proper divisors (its aliquot sum) s(n): 42759434574
• 21198206250 is an abundant number, because the sum of its proper divisors (42759434574) is greater than itself. Its abundance is 21561228324

Bases of 21198206250

• Binary: 10011101111100000101111010100101010₂
• Hexadecimal: 0x4EF82F52A
• Base-36: 9QKV4MI

Squares and roots of 21198206250

• 21198206250 squared (21198206250²) is 449363948217539062500
• 21198206250 cubed (21198206250³) is 9525709655629712914306640625000
• The square root of 21198206250 is 145596.0378925195
• The cube root of 21198206250 is 2767.5769472073

Scales and comparisons

• 21,198,206,250 seconds is equal to 674 years, 1 week, 6 days, 14 hours, 37 minutes, 30 seconds.
• To count from 1 to 21,198,206,250 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 21198206250 cubic inches would be around 230.6 feet tall.

Recreational maths with 21198206250

• 21198206250 backwards is 05260289112
• The number of decimal digits it has is: 11
• The sum of 21198206250's digits is 36
• More coming soon!