61397538357218

Names of 61397538357218

• Cardinal: 61397538357218 can be written as Sixty-one trillion, three hundred ninety-seven billion, five hundred thirty-eight million, three hundred fifty-seven thousand, two hundred eighteen.

Scientific notation

• Scientific notation: 6.1397538357218 × 10¹³

Factors of 61397538357218

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 41687

Divisors of 61397538357218

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 7 14 19 38 49 98 133 266 361 722 931 1862 2527 5054 17689 35378 41659 83318 291613 583226 791521 1583042 2041291 4082582 5540647 11081294 15038899 30077798 38784529 77569058 105272293 210544586 736906051 1473812102 1735472281 3470944562 12148305967 24296611934 32973973339 65947946678 85038141769 170076283538 230817813373 461635626746 626505493441 1253010986882 1615724693611 3231449387222 4385538454087 8771076908174 30698769178609 61397538357218
• Sum of all divisors σ(n): 113070468770091
• Sum of proper divisors (its aliquot sum) s(n): 51672930412873
• 61397538357218 is a deficient number, because the sum of its proper divisors (51672930412873) is less than itself. Its deficiency is 9724607944345

Bases of 61397538357218

• Binary: 1101111101011100111010011101101011111111100010₂
• Hexadecimal: 0x37D73A76BFE2
• Base-36: LRHN13M5E

Squares and roots of 61397538357218

• 61397538357218 squared (61397538357218²) is 3769657716326055586172699524
• 61397538357218 cubed (61397538357218³) is 231447704231711808352711517968811290564232
• The square root of 61397538357218 is 7835658.1317218019
• The cube root of 61397538357218 is 39450.3008672811

Scales and comparisons

• 61,397,538,357,218 seconds is equal to 1,952,251 years, 41 weeks, 5 days, 21 hours, 53 minutes, 38 seconds.
• To count from 1 to 61,397,538,357,218 would take you about four million, eight hundred eighty thousand, six hundred twenty-nine 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 61397538357218 cubic inches would be around 3287.5 feet tall.

Recreational maths with 61397538357218

• 61397538357218 backwards is 81275383579316
• The number of decimal digits it has is: 14
• The sum of 61397538357218's digits is 68
• More coming soon!