428349081438

Names of 428349081438

• Cardinal: 428349081438 can be written as Four hundred twenty-eight billion, three hundred forty-nine million, eighty-one thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 4.28349081438 × 10¹¹

Factors of 428349081438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3348544

Divisors of 428349081438

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 23 27 46 54 69 103 138 206 207 309 414 618 621 927 1242 1854 2369 2781 4738 5562 7107 14214 21321 42642 63963 127926 3348413 6696826 10045239 20090478 30135717 60271434 77013499 90407151 154026998 180814302 231040497 344886539 462080994 689773078 693121491 1034659617 1386242982 2069319234 2079364473 3103978851 4158728946 6207957702 7932390397 9311936553 15864780794 18623873106 23797171191 47594342382 71391513573 142783027146 214174540719 428349081438
• Sum of all divisors σ(n): 1002916961280
• Sum of proper divisors (its aliquot sum) s(n): 574567879842
• 428349081438 is an abundant number, because the sum of its proper divisors (574567879842) is greater than itself. Its abundance is 146218798404

Bases of 428349081438

• Binary: 110001110111011100110000100011101011110₂
• Hexadecimal: 0x63BB98475E
• Base-36: 5GS3ZEJI

Squares and roots of 428349081438

• 428349081438 squared (428349081438²) is 183482935568778356147844
• 428349081438 cubed (428349081438³) is 78594746910433946927744597524119672
• The square root of 428349081438 is 654483.8282478797
• The cube root of 428349081438 is 7538.1703342249

Scales and comparisons

• 428,349,081,438 seconds is equal to 13,620 years, 9 weeks, 23 hours, 57 minutes, 18 seconds.
• To count from 1 to 428,349,081,438 would take you about twenty-seven thousand, two hundred forty 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 428349081438 cubic inches would be around 628.2 feet tall.

Recreational maths with 428349081438

• 428349081438 backwards is 834180943824
• 428349081438 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 428349081438's digits is 54
• More coming soon!