445003397721

Names of 445003397721

• Cardinal: 445003397721 can be written as Four hundred forty-five billion, three million, three hundred ninety-seven thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 4.45003397721 × 10¹¹

Factors of 445003397721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 57985

Divisors of 445003397721

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 19 27 29 57 87 171 261 513 521 551 783 1563 1653 4689 4959 9899 14067 14877 15109 29697 45327 57413 89091 135981 172239 267273 287071 407943 516717 861213 1090847 1550151 1664977 2583639 3272541 4994931 7750917 9817623 14984793 29452869 29912173 31634563 44954379 89736519 94903689 269209557 284711067 568331287 807628671 854133201 867453017 1704993861 2602359051 5114981583 7807077153 15344944749 16481607323 23421231459 49444821969 148334465907 445003397721
• Sum of all divisors σ(n): 719282592000
• Sum of proper divisors (its aliquot sum) s(n): 274279194279
• 445003397721 is a deficient number, because the sum of its proper divisors (274279194279) is less than itself. Its deficiency is 170724203442

Bases of 445003397721

• Binary: 110011110011100010001001111101001011001₂
• Hexadecimal: 0x679C44FA59
• Base-36: 5OFJJ789

Squares and roots of 445003397721

• 445003397721 squared (445003397721²) is 198028023983234507993841
• 445003397721 cubed (445003397721³) is 88123143516515032396794980341436361
• The square root of 445003397721 is 667085.7499010155
• The cube root of 445003397721 is 7634.6261523519

Scales and comparisons

• 445,003,397,721 seconds is equal to 14,149 years, 38 weeks, 6 hours, 55 minutes, 21 seconds.
• To count from 1 to 445,003,397,721 would take you about twenty-eight thousand, two hundred ninety-nine 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 445003397721 cubic inches would be around 636.2 feet tall.

Recreational maths with 445003397721

• 445003397721 backwards is 127793300544
• The number of decimal digits it has is: 12
• The sum of 445003397721's digits is 45
• More coming soon!