12721720050

Names of 12721720050

• Cardinal: 12721720050 can be written as Twelve billion, seven hundred twenty-one million, seven hundred twenty thousand and fifty.

Scientific notation

• Scientific notation: 1.272172005 × 10¹⁰

Factors of 12721720050

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 432

Divisors of 12721720050

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 25 26 30 39 45 50 65 75 78 90 117 130 150 169 195 225 234 325 338 390 409 450 507 585 650 818 845 975 1014 1170 1227 1521 1690 1950 2045 2454 2535 2925 3042 3681 4090 4225 5070 5317 5850 6135 7362 7605 8450 10225 10634 12270 12675 15210 15951 18405 20450 25350 26585 30675 31902 36810 38025 47853 53170 61350 69121 76050 79755 92025 95706 132925 138242 159510 167281 184050 207363 239265 265850 334562 345605 398775 414726 478530 501843 622089 691210 797550 836405 1003686 1036815 1196325 1244178 1505529 1672810 1728025 2073630 2174653 2392650 2509215 3011058 3110445 3456050 4182025 4349306 5018430 5184075 6220890 6523959 7527645 8364050 10368150 10873265 12546075 13047918 15055290 15552225 19571877 21746530 25092150 28270489 31104450 32619795 37638225 39143754 54366325 56540978 65239590 75276450 84811467 97859385 108732650 141352445 163098975 169622934 195718770 254434401 282704890 326197950 424057335 489296925 508868802 706762225 848114670 978593850 1272172005 1413524450 2120286675 2544344010 4240573350 6360860025 12721720050
• Sum of all divisors σ(n): 37101130677
• Sum of proper divisors (its aliquot sum) s(n): 24379410627
• 12721720050 is an abundant number, because the sum of its proper divisors (24379410627) is greater than itself. Its abundance is 11657690577

Bases of 12721720050

• Binary: 1011110110010001100000101011110010₂
• Hexadecimal: 0x2F6460AF2
• Base-36: 5UE6M0I

Squares and roots of 12721720050

• 12721720050 squared (12721720050²) is 161842161030572002500
• 12721720050 cubed (12721720050³) is 2058910664917956507172900125000
• The square root of 12721720050 is 112790.6026670661
• The cube root of 12721720050 is 2334.4358539105

Scales and comparisons

• 12,721,720,050 seconds is equal to 404 years, 26 weeks, 4 days, 3 hours, 7 minutes, 30 seconds.
• To count from 1 to 12,721,720,050 would take you about eight hundred 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 12721720050 cubic inches would be around 194.5 feet tall.

Recreational maths with 12721720050

• 12721720050 backwards is 05002712721
• The number of decimal digits it has is: 11
• The sum of 12721720050's digits is 27
• More coming soon!