66138305832

Names of 66138305832

• Cardinal: 66138305832 can be written as Sixty-six billion, one hundred thirty-eight million, three hundred five thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 6.6138305832 × 10¹⁰

Factors of 66138305832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3017

Divisors of 66138305832

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 109 218 327 436 654 872 981 1308 1962 2616 2903 3924 5806 7848 8709 11612 17418 23224 26127 34836 52254 69672 104508 209016 316427 632854 949281 1265708 1898562 2531416 2847843 3797124 5695686 7594248 8427409 11391372 16854818 22782744 25282227 33709636 50564454 67419272 75846681 101128908 151693362 202257816 303386724 606773448 918587581 1837175162 2755762743 3674350324 5511525486 7348700648 8267288229 11023050972 16534576458 22046101944 33069152916 66138305832
• Sum of all divisors σ(n): 180830213850
• Sum of proper divisors (its aliquot sum) s(n): 114691908018
• 66138305832 is an abundant number, because the sum of its proper divisors (114691908018) is greater than itself. Its abundance is 48553602186

Bases of 66138305832

• Binary: 111101100110001001100111010100101000₂
• Hexadecimal: 0xF66267528
• Base-36: UDT1FE0

Squares and roots of 66138305832

• 66138305832 squared (66138305832²) is 4374275498327165212224
• 66138305832 cubed (66138305832³) is 289307170701786257199662096890368
• The square root of 66138305832 is 257173.6880631453
• The cube root of 66138305832 is 4044.0609150601

Scales and comparisons

• 66,138,305,832 seconds is equal to 2,102 years, 51 weeks, 4 days, 15 hours, 37 minutes, 12 seconds.
• To count from 1 to 66,138,305,832 would take you about four thousand, two hundred five 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 66138305832 cubic inches would be around 337 feet tall.

Recreational maths with 66138305832

• 66138305832 backwards is 23850383166
• The number of decimal digits it has is: 11
• The sum of 66138305832's digits is 45
• More coming soon!