12809632990

Names of 12809632990

• Cardinal: 12809632990 can be written as Twelve billion, eight hundred nine million, six hundred thirty-two thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.280963299 × 10¹⁰

Factors of 12809632990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2018

Divisors of 12809632990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 11 14 19 22 35 38 55 70 77 95 110 133 154 190 209 266 385 418 665 673 770 1045 1301 1330 1346 1463 2090 2602 2926 3365 4711 6505 6730 7315 7403 9107 9422 12787 13010 14311 14630 14806 18214 23555 24719 25574 28622 37015 45535 47110 49438 51821 63935 71555 74030 89509 91070 100177 103642 123595 127870 140657 143110 173033 179018 200354 247190 259105 271909 281314 346066 447545 500885 518210 543818 703285 865165 875573 895090 984599 1001770 1359545 1406570 1730330 1751146 1903363 1969198 2719090 3806726 4377865 4922995 6129011 8755730 9516815 9631303 9845990 12258022 16635887 19033630 19262606 30645055 33271774 48156515 61290110 67419121 83179435 96313030 116451209 134838242 166358870 182994757 232902418 337095605 365989514 582256045 674191210 914973785 1164512090 1280963299 1829947570 2561926598 6404816495 12809632990
• Sum of all divisors σ(n): 30328058880
• Sum of proper divisors (its aliquot sum) s(n): 17518425890
• 12809632990 is an abundant number, because the sum of its proper divisors (17518425890) is greater than itself. Its abundance is 4708792900

Bases of 12809632990

• Binary: 1011111011100000110111110011011110₂
• Hexadecimal: 0x2FB837CDE
• Base-36: 5VUIW2M

Squares and roots of 12809632990

• 12809632990 squared (12809632990²) is 164086697338496340100
• 12809632990 cubed (12809632990³) is 2101890371447347915139219899000
• The square root of 12809632990 is 113179.6491865919
• The cube root of 12809632990 is 2339.8008566251

Scales and comparisons

• 12,809,632,990 seconds is equal to 407 years, 15 weeks, 6 days, 15 hours, 23 minutes, 10 seconds.
• To count from 1 to 12,809,632,990 would take you about eight hundred fourteen 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 12809632990 cubic inches would be around 195 feet tall.

Recreational maths with 12809632990

• 12809632990 backwards is 09923690821
• The number of decimal digits it has is: 11
• The sum of 12809632990's digits is 49
• More coming soon!