428744808018

Names of 428744808018

• Cardinal: 428744808018 can be written as Four hundred twenty-eight billion, seven hundred forty-four million, eight hundred eight thousand and eighteen.

Scientific notation

• Scientific notation: 4.28744808018 × 10¹¹

Factors of 428744808018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 950

Divisors of 428744808018

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 18 27 31 37 54 62 74 81 93 111 162 186 222 243 279 333 486 558 666 837 877 999 1147 1674 1754 1998 2294 2511 2631 2997 3441 5022 5262 5994 6882 7533 7893 8991 10323 15066 15786 17982 20646 23679 27187 30969 32449 47358 54374 61938 64898 71037 81561 92907 97347 142074 163122 185814 194694 213111 244683 278721 292041 426222 489366 557442 584082 734049 769129 876123 1005919 1468098 1538258 1752246 2011838 2202147 2307387 2628369 3017757 4404294 4614774 5256738 6035514 6606441 6922161 7885107 9053271 13212882 13844322 15770214 18106542 20766483 23842999 27159813 28457773 41532966 47685998 54319626 56915546 62299449 71528997 81479439 85373319 124598898 143057994 162958878 170746638 186898347 214586991 244438317 256119957 373796694 429173982 488876634 512239914 643760973 768359871 882190963 1287521946 1536719742 1764381926 1931282919 2305079613 2646572889 3862565838 4610159226 5293145778 5793848757 6915238839 7939718667 11587697514 13830477678 15879437334 23819156001 47638312002 71457468003 142914936006 214372404009 428744808018
• Sum of all divisors σ(n): 1022470735104
• Sum of proper divisors (its aliquot sum) s(n): 593725927086
• 428744808018 is an abundant number, because the sum of its proper divisors (593725927086) is greater than itself. Its abundance is 164981119068

Bases of 428744808018

• Binary: 110001111010011001011101001011001010010₂
• Hexadecimal: 0x63D32E9652
• Base-36: 5GYNL74I

Squares and roots of 428744808018

• 428744808018 squared (428744808018²) is 183822110402391677088324
• 428744808018 cubed (428744808018³) is 78812775433937020321274522609381832
• The square root of 428744808018 is 654786.0780575593
• The cube root of 428744808018 is 7540.4909774755

Scales and comparisons

• 428,744,808,018 seconds is equal to 13,632 years, 39 weeks, 3 days, 4 hours, 18 seconds.
• To count from 1 to 428,744,808,018 would take you about twenty-seven thousand, two hundred sixty-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 428744808018 cubic inches would be around 628.4 feet tall.

Recreational maths with 428744808018

• 428744808018 backwards is 810808447824
• 428744808018 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 428744808018's digits is 54
• More coming soon!