138187443709159

Names of 138187443709159

• Cardinal: 138187443709159 can be written as One hundred thirty-eight trillion, one hundred eighty-seven billion, four hundred forty-three million, seven hundred nine thousand, one hundred fifty-nine.

Scientific notation

• Scientific notation: 1.38187443709159 × 10¹⁴

Factors of 138187443709159

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 44

Divisors of 138187443709159

• Number of divisors d(n): 42
• Complete list of divisors:
  1 13 31 169 403 961 2197 5239 12493 28561 29791 68107 162409 371293 387283 885391 923521 2111317 4826809 5034679 11510083 12005773 27447121 28629151 65450827 149631079 156075049 356812573 372178963 850860751 2028975637 4638563449 4838326519 11061189763 26376683281 62898244747 143795466919 342896882653 817677181711 4457659474489 10629803362243 138187443709159
• Sum of all divisors σ(n): 154693163512608
• Sum of proper divisors (its aliquot sum) s(n): 16505719803449
• 138187443709159 is a deficient number, because the sum of its proper divisors (16505719803449) is less than itself. Its deficiency is 121681723905710

Bases of 138187443709159

• Binary: 11111011010111001000101011111101010010011100111₂
• Hexadecimal: 0x7DAE457EA4E7
• Base-36: 1CZEFO3947

Squares and roots of 138187443709159

• 138187443709159 squared (138187443709159²) is 19095769598871987283780487281
• 138187443709159 cubed (138187443709159³) is 2638795586527192480040600540833899062706679
• The square root of 138187443709159 is 11755315.5512371933
• The cube root of 138187443709159 is 51699.8791204643

Scales and comparisons

• 138,187,443,709,159 seconds is equal to 4,393,933 years, 13 weeks, 6 days, 14 hours, 19 minutes, 19 seconds.
• To count from 1 to 138,187,443,709,159 would take you about ten million, nine hundred eighty-four thousand, eight hundred thirty-three 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 138187443709159 cubic inches would be around 4308.3 feet tall.

Recreational maths with 138187443709159

• 138187443709159 backwards is 951907344781831
• The number of decimal digits it has is: 15
• The sum of 138187443709159's digits is 70
• More coming soon!