1989913673449

Names of 1989913673449

• Cardinal: 1989913673449 can be written as One trillion, nine hundred eighty-nine billion, nine hundred thirteen million, six hundred seventy-three thousand, four hundred forty-nine.

Scientific notation

• Scientific notation: 1.989913673449 × 10¹²

Factors of 1989913673449

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 521

Divisors of 1989913673449

• Number of divisors d(n): 45
• Complete list of divisors:
  1 13 17 169 221 289 491 2197 2873 3757 6383 8347 28561 37349 48841 82979 108511 141899 241081 485537 634933 1078727 1410643 1844687 3134053 4098377 8254129 14023451 18338359 23980931 40742689 53278901 69672409 238398667 311752103 529654957 692625713 905741317 4052777339 6885514441 9004134269 11774637121 117053745497 153070282573 1989913673449
• Sum of all divisors σ(n): 2294674629251
• Sum of proper divisors (its aliquot sum) s(n): 304760955802
• 1989913673449 is a deficient number, because the sum of its proper divisors (304760955802) is less than itself. Its deficiency is 1685152717647

Bases of 1989913673449

• Binary: 11100111101010000000110001111111011101001₂
• Hexadecimal: 0x1CF5018FEE9
• Base-36: PE5J8161

Squares and roots of 1989913673449

• 1989913673449 squared (1989913673449²) is 3959756427779293407555601
• 1989913673449 cubed (1989913673449³) is 7879573459165583614046554677624937849
• 1989913673449 is a perfect square number. Its square root is 1410643
• The cube root of 1989913673449 is 12577.9948356305

Scales and comparisons

• 1,989,913,673,449 seconds is equal to 63,273 years, 5 weeks, 1 day, 6 hours, 10 minutes, 49 seconds.
• To count from 1 to 1,989,913,673,449 would take you about one hundred fifty-eight thousand, one hundred eighty-two 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 1989913673449 cubic inches would be around 1048.2 feet tall.

Recreational maths with 1989913673449

• 1989913673449 backwards is 9443763199891
• The number of decimal digits it has is: 13
• The sum of 1989913673449's digits is 73
• More coming soon!