72211413729

Names of 72211413729

• Cardinal: 72211413729 can be written as Seventy-two billion, two hundred eleven million, four hundred thirteen thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 7.2211413729 × 10¹⁰

Factors of 72211413729

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 125605

Divisors of 72211413729

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 21 39 43 49 91 129 147 273 301 343 559 637 903 1029 1677 1911 2107 3913 4459 6321 11739 13377 14749 27391 44247 82173 125539 191737 376617 575211 878773 1632007 2636319 4896021 5398177 6151411 11424049 16194531 18454233 34272147 37787239 43059877 70176301 79968343 113361717 129179631 210528903 239905029 264510673 491234107 559778401 793532019 1473702321 1679335203 1851574711 3438638749 5554724133 10315916247 24070471243 72211413729
• Sum of all divisors σ(n): 123732224000
• Sum of proper divisors (its aliquot sum) s(n): 51520810271
• 72211413729 is a deficient number, because the sum of its proper divisors (51520810271) is less than itself. Its deficiency is 20690603458

Bases of 72211413729

• Binary: 1000011010000001000101011101011100001₂
• Hexadecimal: 0x10D022BAE1
• Base-36: X68T7FL

Squares and roots of 72211413729

• 72211413729 squared (72211413729²) is 5214488272740809685441
• 72211413729 cubed (72211413729³) is 376545570047905200977830398819489
• The square root of 72211413729 is 268721.8147620323
• The cube root of 72211413729 is 4164.2355031169

Scales and comparisons

• 72,211,413,729 seconds is equal to 2,296 years, 5 weeks, 1 day, 6 hours, 2 minutes, 9 seconds.
• To count from 1 to 72,211,413,729 would take you about four thousand, five hundred ninety-two 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 72211413729 cubic inches would be around 347 feet tall.

Recreational maths with 72211413729

• 72211413729 backwards is 92731411227
• 72211413729 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72211413729's digits is 39
• More coming soon!