12743655890

Names of 12743655890

• Cardinal: 12743655890 can be written as Twelve billion, seven hundred forty-three million, six hundred fifty-five thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.274365589 × 10¹⁰

Factors of 12743655890

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 990

Divisors of 12743655890

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 5 7 10 14 29 35 49 58 70 98 145 203 245 290 406 490 947 1015 1421 1894 2030 2842 4735 6629 7105 9470 13258 14210 27463 33145 46403 54926 66290 92806 137315 192241 232015 274630 384482 464030 896809 961205 1345687 1793618 1922410 2691374 4484045 6277663 6728435 8968090 12555326 13456870 26007461 31388315 43943641 52014922 62776630 87887282 130037305 182052227 219718205 260074610 364104454 439436410 910261135 1274365589 1820522270 2548731178 6371827945 12743655890
• Sum of all divisors σ(n): 27632960460
• Sum of proper divisors (its aliquot sum) s(n): 14889304570
• 12743655890 is an abundant number, because the sum of its proper divisors (14889304570) is greater than itself. Its abundance is 2145648680

Bases of 12743655890

• Binary: 1011110111100101001100000111010010₂
• Hexadecimal: 0x2F794C1D2
• Base-36: 5UR8RTE

Squares and roots of 12743655890

• 12743655890 squared (12743655890²) is 162400765442731692100
• 12743655890 cubed (12743655890³) is 2069579471074776185719831469000
• The square root of 12743655890 is 112887.8022197259
• The cube root of 12743655890 is 2335.7768258101

Scales and comparisons

• 12,743,655,890 seconds is equal to 405 years, 10 weeks, 6 days, 24 minutes, 50 seconds.
• To count from 1 to 12,743,655,890 would take you about eight hundred ten 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 12743655890 cubic inches would be around 194.6 feet tall.

Recreational maths with 12743655890

• 12743655890 backwards is 09855634721
• The number of decimal digits it has is: 11
• The sum of 12743655890's digits is 50
• More coming soon!