68327442729

Names of 68327442729

• Cardinal: 68327442729 can be written as Sixty-eight billion, three hundred twenty-seven million, four hundred forty-two thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 6.8327442729 × 10¹⁰

Factors of 68327442729

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1319

Divisors of 68327442729

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 13 17 21 27 39 51 63 91 117 119 153 189 221 273 351 357 459 663 819 1071 1279 1547 1989 2457 3213 3837 4641 5967 8953 11511 13923 16627 21743 26859 34533 41769 49881 65229 80577 116389 149643 152201 195687 241731 282659 349167 448929 456603 587061 847977 1047501 1369809 1635841 1978613 2543931 3142503 4109427 4907523 5935839 7631793 11450887 14722569 17807517 21265933 27809297 34352661 44167707 53422551 63797799 83427891 103057983 148861531 191393397 194665079 250283673 309173949 361520861 446584593 574180191 583995237 750851019 1084562583 1339753779 1751985711 2530646027 3253687749 4019261337 5255957133 7591938081 9761063247 22775814243 68327442729
• Sum of all divisors σ(n): 132017437440
• Sum of proper divisors (its aliquot sum) s(n): 63689994711
• 68327442729 is a deficient number, because the sum of its proper divisors (63689994711) is less than itself. Its deficiency is 4637448018

Bases of 68327442729

• Binary: 111111101000101000100000100100101001₂
• Hexadecimal: 0xFE8A20929
• Base-36: VE0E889

Squares and roots of 68327442729

• 68327442729 squared (68327442729²) is 4668639429884774967441
• 68327442729 cubed (68327442729³) is 318996193267803172656877767186489
• The square root of 68327442729 is 261395.1849766939
• The cube root of 68327442729 is 4088.1961252569

Scales and comparisons

• 68,327,442,729 seconds is equal to 2,172 years, 31 weeks, 1 day, 21 hours, 12 minutes, 9 seconds.
• To count from 1 to 68,327,442,729 would take you about four thousand, three hundred forty-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 68327442729 cubic inches would be around 340.7 feet tall.

Recreational maths with 68327442729

• 68327442729 backwards is 92724472386
• The number of decimal digits it has is: 11
• The sum of 68327442729's digits is 54
• More coming soon!