138815056669947

Names of 138815056669947

• Cardinal: 138815056669947 can be written as One hundred thirty-eight trillion, eight hundred fifteen billion, fifty-six million, six hundred sixty-nine thousand, nine hundred forty-seven.

Scientific notation

• Scientific notation: 1.38815056669947 × 10¹⁴

Factors of 138815056669947

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 120260

Divisors of 138815056669947

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 7 21 49 147 343 401 1029 1203 2401 2807 7203 8421 19649 58947 119849 137543 160801 359547 412629 482403 838943 962801 1125607 2516829 2888403 3376821 5872601 7879249 17617803 23637747 41108207 48059449 55154743 123324621 144178347 165464229 287757449 336416143 386083201 863272347 1009248429 1158249603 2354913001 7064739003 16484391007 19271839049 49453173021 57815517147 115390737049 134902873343 346172211147 404708620029 944320113401 2832960340203 6610240793807 19830722381421 46271685556649 138815056669947
• Sum of all divisors σ(n): 216463291678200
• Sum of proper divisors (its aliquot sum) s(n): 77648235008253
• 138815056669947 is a deficient number, because the sum of its proper divisors (77648235008253) is less than itself. Its deficiency is 61166821661694

Bases of 138815056669947

• Binary: 11111100100000001100110001001000110110011111011₂
• Hexadecimal: 0x7E4066246CFB
• Base-36: 1D7ER8N4ZF

Squares and roots of 138815056669947

• 138815056669947 squared (138815056669947²) is 19269619958280597092892982809
• 138815056669947 cubed (138815056669947³) is 2674913386517062831353587791230747457941123
• The square root of 138815056669947 is 11781980.1676096449
• The cube root of 138815056669947 is 51778.0302511957

Scales and comparisons

• 138,815,056,669,947 seconds is equal to 4,413,889 years, 21 weeks, 5 days, 11 hours, 52 minutes, 27 seconds.
• To count from 1 to 138,815,056,669,947 would take you about eleven million, thirty-four thousand, seven hundred twenty-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 138815056669947 cubic inches would be around 4314.8 feet tall.

Recreational maths with 138815056669947

• 138815056669947 backwards is 749966650518831
• The number of decimal digits it has is: 15
• The sum of 138815056669947's digits is 78
• More coming soon!