27998142153138

Names of 27998142153138

• Cardinal: 27998142153138 can be written as Twenty-seven trillion, nine hundred ninety-eight billion, one hundred forty-two million, one hundred fifty-three thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 2.7998142153138 × 10¹³

Factors of 27998142153138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 578

Divisors of 27998142153138

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 18 27 54 97 103 194 206 291 309 373 582 618 746 873 927 1119 1746 1854 2238 2619 2781 3357 5238 5562 6714 9991 10071 19982 20142 29973 36181 38419 59946 72362 76838 89919 108543 115257 139129 179838 217086 230514 269757 278258 325629 345771 417387 539514 651258 691542 834774 976887 1037313 1252161 1953774 2074626 2504322 3726643 3756483 7453286 7512966 11179929 13495513 14330287 22359858 26991026 28660574 33539787 40486539 42990861 51895117 67079574 80973078 85981722 100619361 103790234 121459617 128972583 155685351 201238722 242919234 257945166 311370702 364378851 386917749 467056053 728757702 773835498 934112106 1390037839 1401168159 2780075678 2802336318 4170113517 5033826349 5345197051 8340227034 10067652698 10690394102 12510340551 15101479047 16035591153 25020681102 30202958094 32071182306 37531021653 45304437141 48106773459 75062043306 90608874282 96213546918 135913311423 144320320377 271826622846 288640640754 518484113947 1036968227894 1555452341841 3110904683682 4666357025523 9332714051046 13999071076569 27998142153138
• Sum of all divisors σ(n): 63640421644800
• Sum of proper divisors (its aliquot sum) s(n): 35642279491662
• 27998142153138 is an abundant number, because the sum of its proper divisors (35642279491662) is greater than itself. Its abundance is 7644137338524

Bases of 27998142153138

• Binary: 110010111011011010011010100010100000110110010₂
• Hexadecimal: 0x1976D35141B2
• Base-36: 9XA62Y3SI

Squares and roots of 27998142153138

• 27998142153138 squared (27998142153138²) is 783895964027322962643247044
• 27998142153138 cubed (27998142153138³) is 21947630634108140327162509932253813824072
• The square root of 27998142153138 is 5291327.0691895431
• The cube root of 27998142153138 is 30365.2180947005

Scales and comparisons

• 27,998,142,153,138 seconds is equal to 890,254 years, 16 weeks, 3 days, 5 hours, 12 minutes, 18 seconds.
• To count from 1 to 27,998,142,153,138 would take you about two million, two hundred twenty-five thousand, six hundred thirty-five 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 27998142153138 cubic inches would be around 2530.4 feet tall.

Recreational maths with 27998142153138

• 27998142153138 backwards is 83135124189972
• The number of decimal digits it has is: 14
• The sum of 27998142153138's digits is 63
• More coming soon!