221649727474

Names of 221649727474

• Cardinal: 221649727474 can be written as Two hundred twenty-one billion, six hundred forty-nine million, seven hundred twenty-seven thousand, four hundred seventy-four.

Scientific notation

• Scientific notation: 2.21649727474 × 10¹¹

Factors of 221649727474

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 249

Divisors of 221649727474

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 41 49 82 98 199 287 343 398 574 686 1393 2009 2786 4018 8159 9751 14063 16318 19502 28126 39601 57113 68257 79202 114226 136514 277207 399791 554414 799582 1623641 1940449 2798537 3247282 3880898 5597074 7880599 11365487 13583143 15761198 22730974 27166286 55164193 79558409 110328386 159116818 323104559 386149351 556908863 646209118 772298702 1113817726 2261731913 2703045457 4523463826 5406090914 15832123391 31664246782 110824863737 221649727474
• Sum of all divisors σ(n): 399188160000
• Sum of proper divisors (its aliquot sum) s(n): 177538432526
• 221649727474 is a deficient number, because the sum of its proper divisors (177538432526) is less than itself. Its deficiency is 44111294948

Bases of 221649727474

• Binary: 11001110011011010110100110111111110010₂
• Hexadecimal: 0x339B5A6FF2
• Base-36: 2TTOIWAA

Squares and roots of 221649727474

• 221649727474 squared (221649727474²) is 49128601689298470420676
• 221649727474 cubed (221649727474³) is 10889341175611701990987885534852424
• The square root of 221649727474 is 470796.9068228889
• The cube root of 221649727474 is 6051.8627096757

Scales and comparisons

• 221,649,727,474 seconds is equal to 7,047 years, 40 weeks, 2 days, 8 hours, 44 minutes, 34 seconds.
• To count from 1 to 221,649,727,474 would take you about fourteen thousand and ninety-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 221649727474 cubic inches would be around 504.3 feet tall.

Recreational maths with 221649727474

• 221649727474 backwards is 474727946122
• The number of decimal digits it has is: 12
• The sum of 221649727474's digits is 55
• More coming soon!