138742864803843039

Names of 138742864803843039

• Cardinal: 138742864803843039 can be written as One hundred thirty-eight quadrillion, seven hundred forty-two trillion, eight hundred sixty-four billion, eight hundred three million, eight hundred forty-three thousand and thirty-nine.

Scientific notation

• Scientific notation: 1.38742864803843039 × 10¹⁷

Factors of 138742864803843039

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5238492483

Divisors of 138742864803843039

• Number of divisors d(n): 20
• Complete list of divisors:
  1 3 9 27 81 326999 980997 2942991 8828973 26486919 5238165481 15714496443 47143489329 141430467987 424291403961 1712874874121519 5138624622364557 15415873867093671 46247621601281013 138742864803843039
• Sum of all divisors σ(n): 207258493626294000
• Sum of proper divisors (its aliquot sum) s(n): 68515628822450961
• 138742864803843039 is a deficient number, because the sum of its proper divisors (68515628822450961) is less than itself. Its deficiency is 70227235981392078

Bases of 138742864803843039

• Binary: 111101100111010011110011010000011110000001100101111011111₂
• Hexadecimal: 0x1ECE9E683C0CBDF
• Base-36: 11Y48O6LLEXR

Squares and roots of 138742864803843039

• 138742864803843039 squared (138742864803843039²) is 19249582533977467520811023348755521
• 138742864803843039 cubed (138742864803843039³) is 2670742227042054078898069231629740572715738868668319
• The square root of 138742864803843039 is 372482032.8604361543
• The cube root of 138742864803843039 is 517690.5283695853

Scales and comparisons

• 138,742,864,803,843,039 seconds is equal to 4,411,593,940 years, 46 weeks, 6 days, 22 hours, 10 minutes, 39 seconds.
• To count from 1 to 138,742,864,803,843,039 would take you about thirteen billion, two hundred thirty-four million, seven hundred eighty-one thousand, eight hundred twenty-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 138742864803843039 cubic inches would be around 43140.9 feet tall.

Recreational maths with 138742864803843039

• 138742864803843039 backwards is 930348308468247831
• 138742864803843039 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 138742864803843039's digits is 81
• More coming soon!