66729568896

Names of 66729568896

• Cardinal: 66729568896 can be written as Sixty-six billion, seven hundred twenty-nine million, five hundred sixty-eight thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 6.6729568896 × 10¹⁰

Factors of 66729568896

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1139

Divisors of 66729568896

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 257 288 384 514 576 771 877 1028 1152 1542 1754 2056 2313 2631 3084 3508 4112 4626 5262 6168 7016 7893 8224 9252 10524 12336 14032 15786 16448 18504 21048 24672 28064 31572 32896 37008 42096 49344 56128 63144 66049 74016 84192 98688 112256 126288 132098 148032 168384 198147 225389 252576 264196 296064 336768 396294 450778 505152 528392 594441 676167 792588 901556 1010304 1056784 1188882 1352334 1585176 1803112 2028501 2113568 2377764 2704668 3170352 3606224 4057002 4227136 4755528 5409336 6340704 7212448 8114004 8454272 9511056 10818672 12681408 14424896 16228008 19022112 21637344 25362816 28849792 32456016 38044224 43274688 57924973 64912032 76088448 86549376 115849946 129824064 173774919 231699892 259648128 347549838 463399784 521324757 695099676 926799568 1042649514 1390199352 1853599136 2085299028 2780398704 3707198272 4170598056 5560797408 7414396544 8341196112 11121594816 16682392224 22243189632 33364784448 66729568896
• Sum of all divisors σ(n): 192991164990
• Sum of proper divisors (its aliquot sum) s(n): 126261596094
• 66729568896 is an abundant number, because the sum of its proper divisors (126261596094) is greater than itself. Its abundance is 59532027198

Bases of 66729568896

• Binary: 111110001001011001000110101010000000₂
• Hexadecimal: 0xF89646A80
• Base-36: UNL28W0

Squares and roots of 66729568896

• 66729568896 squared (66729568896²) is 4452835365046010658816
• 66729568896 cubed (66729568896³) is 297135784274383078467412621787136
• The square root of 66729568896 is 258320.6706711641
• The cube root of 66729568896 is 4056.0762097183

Scales and comparisons

• 66,729,568,896 seconds is equal to 2,121 years, 41 weeks, 1 day, 23 hours, 21 minutes, 36 seconds.
• To count from 1 to 66,729,568,896 would take you about four thousand, two hundred forty-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 66729568896 cubic inches would be around 338 feet tall.

Recreational maths with 66729568896

• 66729568896 backwards is 69886592766
• 66729568896 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 66729568896's digits is 72
• More coming soon!