1938648018123

Names of 1938648018123

• Cardinal: 1938648018123 can be written as One trillion, nine hundred thirty-eight billion, six hundred forty-eight million, eighteen thousand, one hundred twenty-three.

Scientific notation

• Scientific notation: 1.938648018123 × 10¹²

Factors of 1938648018123

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 194

Divisors of 1938648018123

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 19 27 41 57 123 131 171 369 393 513 779 1107 1179 1681 2337 2489 3537 5043 5371 7011 7467 15129 16113 17161 21033 22401 31939 45387 48339 51483 67203 95817 102049 145017 154449 220211 287451 306147 326059 463347 660633 703601 862353 918441 978177 1981899 2110803 2248091 2755323 2934531 4184009 5945697 6332409 6744273 8803593 12552027 13368419 18997227 20232819 28847641 37656081 40105257 42713729 60698457 86542923 92171731 112968243 120315771 128141187 259628769 276515193 360947313 384423561 548105179 778886307 829545579 1153270683 1644315537 1751262889 2488636737 3779040971 4932946611 5253788667 11337122913 14798839833 15761366001 34011368739 47284098003 71801778449 102034106217 215405335347 646216006041 1938648018123
• Sum of all divisors σ(n): 3122605305600
• Sum of proper divisors (its aliquot sum) s(n): 1183957287477
• 1938648018123 is a deficient number, because the sum of its proper divisors (1183957287477) is less than itself. Its deficiency is 754690730646

Bases of 1938648018123

• Binary: 11100001101100000011011010010110011001011₂
• Hexadecimal: 0x1C3606D2CCB
• Base-36: OQLOZ4CR

Squares and roots of 1938648018123

• 1938648018123 squared (1938648018123²) is 3758356138172235736443129
• 1938648018123 cubed (1938648018123³) is 7286129678668016758079427401150826867
• The square root of 1938648018123 is 1392353.4099225671
• The cube root of 1938648018123 is 12469.0391493677

Scales and comparisons

• 1,938,648,018,123 seconds is equal to 61,643 years, 3 days, 18 hours, 22 minutes, 3 seconds.
• To count from 1 to 1,938,648,018,123 would take you about one hundred fifty-four thousand, one hundred 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 1938648018123 cubic inches would be around 1039.1 feet tall.

Recreational maths with 1938648018123

• 1938648018123 backwards is 3218108468391
• The number of decimal digits it has is: 13
• The sum of 1938648018123's digits is 54
• More coming soon!