1555842813993

Names of 1555842813993

• Cardinal: 1555842813993 can be written as One trillion, five hundred fifty-five billion, eight hundred forty-two million, eight hundred thirteen thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 1.555842813993 × 10¹²

Factors of 1555842813993

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7790

Divisors of 1555842813993

• Number of divisors d(n): 54
• Complete list of divisors:
  1 3 9 13 17 39 51 117 153 169 221 507 663 1521 1989 2873 7757 8619 23271 25857 69813 100841 131869 302523 395607 907569 1186821 1310933 1714297 3932799 5142891 11798397 15428673 22285861 60171049 66857583 180513147 200572749 541539441 782223637 1022907833 2346670911 3068723499 7040012733 9206170497 10168907281 13297801829 30506721843 39893405487 91520165529 119680216461 172871423777 518614271331 1555842813993
• Sum of all divisors σ(n): 2576976873354
• Sum of proper divisors (its aliquot sum) s(n): 1021134059361
• 1555842813993 is a deficient number, because the sum of its proper divisors (1021134059361) is less than itself. Its deficiency is 534708754632

Bases of 1555842813993

• Binary: 10110101000111111011101010101000000101001₂
• Hexadecimal: 0x16A3F755029
• Base-36: JUQSN2G9

Squares and roots of 1555842813993

• 1555842813993 squared (1555842813993²) is 2420646861853656796604049
• 1555842813993 cubed (1555842813993³) is 3766146025229718118585693642377657657
• The square root of 1555842813993 is 1247334.2831787313
• The cube root of 1555842813993 is 11587.4686661867

Scales and comparisons

• 1,555,842,813,993 seconds is equal to 49,470 years, 51 weeks, 2 days, 23 hours, 26 minutes, 33 seconds.
• To count from 1 to 1,555,842,813,993 would take you about one hundred twenty-three thousand, six hundred seventy-seven 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 1555842813993 cubic inches would be around 965.6 feet tall.

Recreational maths with 1555842813993

• 1555842813993 backwards is 3993182485551
• The number of decimal digits it has is: 13
• The sum of 1555842813993's digits is 63
• More coming soon!