138031146747

Names of 138031146747

• Cardinal: 138031146747 can be written as One hundred thirty-eight billion, thirty-one million, one hundred forty-six thousand, seven hundred forty-seven.

Scientific notation

• Scientific notation: 1.38031146747 × 10¹¹

Factors of 138031146747

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 246

Divisors of 138031146747

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 31 39 93 117 199 279 403 597 961 1209 1791 2587 2883 3627 6169 7761 8649 12493 18507 23283 29791 37479 39601 55521 80197 89373 112437 118803 191239 240591 268119 356409 387283 514813 573717 721773 1161849 1227631 1544439 1721151 2486107 3485547 3682893 4633317 5928409 7458321 11048679 15959203 17785227 22374963 38056561 47877609 53355681 77069317 114169683 143632827 231207951 342509049 494735293 693623853 1179753391 1484205879 3539260173 4452617637 10617780519 15336794083 46010382249 138031146747
• Sum of all divisors σ(n): 222992585088
• Sum of proper divisors (its aliquot sum) s(n): 84961438341
• 138031146747 is a deficient number, because the sum of its proper divisors (84961438341) is less than itself. Its deficiency is 53069708406

Bases of 138031146747

• Binary: 10000000100011010011000010011011111011₂
• Hexadecimal: 0x20234C26FB
• Base-36: 1RES6IGR

Squares and roots of 138031146747

• 138031146747 squared (138031146747²) is 19052597472291848682009
• 138031146747 cubed (138031146747³) is 2629851877609437431838302817774723
• The square root of 138031146747 is 371525.4321671667
• The cube root of 138031146747 is 5168.0380044315

Scales and comparisons

• 138,031,146,747 seconds is equal to 4,388 years, 50 weeks, 17 hours, 12 minutes, 27 seconds.
• To count from 1 to 138,031,146,747 would take you about eight thousand, seven 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 138031146747 cubic inches would be around 430.7 feet tall.

Recreational maths with 138031146747

• 138031146747 backwards is 747641130831
• The number of decimal digits it has is: 12
• The sum of 138031146747's digits is 45
• More coming soon!