1378647142665

Names of 1378647142665

• Cardinal: 1378647142665 can be written as One trillion, three hundred seventy-eight billion, six hundred forty-seven million, one hundred forty-two thousand, six hundred sixty-five.

Scientific notation

• Scientific notation: 1.378647142665 × 10¹²

Factors of 1378647142665

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 10143530

Divisors of 1378647142665

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 13 15 17 39 41 51 65 85 123 195 205 221 255 533 615 663 697 1105 1599 2091 2665 3315 3485 7995 9061 10455 27183 45305 135915 10143451 30430353 50717255 131864863 152151765 172438667 395594589 415881491 517316001 659324315 862193335 1247644473 1977972945 2079407455 2241702671 2586580005 5406459383 6238222365 6725108013 7069985347 11208513355 16219378149 21209956041 27032296915 33625540065 35349926735 81096890745 91909809511 106049780205 275729428533 459549047555 1378647142665
• Sum of all divisors σ(n): 2576599103232
• Sum of proper divisors (its aliquot sum) s(n): 1197951960567
• 1378647142665 is a deficient number, because the sum of its proper divisors (1197951960567) is less than itself. Its deficiency is 180695182098

Bases of 1378647142665

• Binary: 10100000011111101110001011111000100001001₂
• Hexadecimal: 0x140FDC5F109
• Base-36: HLCAWVEX

Squares and roots of 1378647142665

• 1378647142665 squared (1378647142665²) is 1900667943978368863302225
• 1378647142665 cubed (1378647142665³) is 2620350430120738525959016472586929625
• The square root of 1378647142665 is 1174158.0569348405
• The cube root of 1378647142665 is 11129.7234973113

Scales and comparisons

• 1,378,647,142,665 seconds is equal to 43,836 years, 37 weeks, 1 day, 3 hours, 37 minutes, 45 seconds.
• To count from 1 to 1,378,647,142,665 would take you about one hundred nine thousand, five hundred ninety-one 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 1378647142665 cubic inches would be around 927.5 feet tall.

Recreational maths with 1378647142665

• 1378647142665 backwards is 5662417468731
• The number of decimal digits it has is: 13
• The sum of 1378647142665's digits is 60
• More coming soon!