38639129501691

Names of 38639129501691

• Cardinal: 38639129501691 can be written as Thirty-eight trillion, six hundred thirty-nine billion, one hundred twenty-nine million, five hundred one thousand, six hundred ninety-one.

Scientific notation

• Scientific notation: 3.8639129501691 × 10¹³

Factors of 38639129501691

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 194379

Divisors of 38639129501691

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 27 37 111 233 333 699 859 999 2097 2577 6291 7731 8621 23193 25863 31783 77589 95349 193247 200147 232767 286047 579741 600441 858141 1739223 1801323 5217669 5403969 7150139 7405439 21450417 22216317 45026551 64351251 66648951 135079653 165999173 193053753 199946853 405238959 497997519 1215716877 1493992557 1665982387 4481977671 4997947161 6141969401 14993841483 18425908203 38677807309 44981524449 55277724609 116033421927 165833173827 348100265781 1044300797343 1431078870433 4293236611299 12879709833897 38639129501691
• Sum of all divisors σ(n): 59111625830400
• Sum of proper divisors (its aliquot sum) s(n): 20472496328709
• 38639129501691 is a deficient number, because the sum of its proper divisors (20472496328709) is less than itself. Its deficiency is 18166633172982

Bases of 38639129501691

• Binary: 1000110010010001011111100101101001111111111011₂
• Hexadecimal: 0x23245F969FFB
• Base-36: DP2KK2M0R

Squares and roots of 38639129501691

• 38639129501691 squared (38639129501691²) is 1492982328648447785971859481
• 38639129501691 cubed (38639129501691³) is 57687537540383567093899487048240203882371
• The square root of 38639129501691 is 6216038.0872136715
• The cube root of 38639129501691 is 33807.1928664827

Scales and comparisons

• 38,639,129,501,691 seconds is equal to 1,228,604 years, 41 weeks, 4 days, 14 minutes, 51 seconds.
• To count from 1 to 38,639,129,501,691 would take you about three million, seventy-one thousand, five hundred eleven 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 38639129501691 cubic inches would be around 2817.3 feet tall.

Recreational maths with 38639129501691

• 38639129501691 backwards is 19610592193683
• The number of decimal digits it has is: 14
• The sum of 38639129501691's digits is 63
• More coming soon!