3840128838

Names of 3840128838

• Cardinal: 3840128838 can be written as Three billion, eight hundred forty million, one hundred twenty-eight thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 3.840128838 × 10⁹

Factors of 3840128838

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 260514

Divisors of 3840128838

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 81 91 117 126 162 182 189 234 273 351 378 546 567 702 819 1053 1134 1638 2106 2457 4914 7371 14742 260489 520978 781467 1562934 1823423 2344401 3386357 3646846 4688802 5470269 6772714 7033203 10159071 10940538 14066406 16410807 20318142 21099609 23704499 30477213 32821614 42199218 47408998 49232421 60954426 71113497 91431639 98464842 142226994 147697263 182863278 213340491 274294917 295394526 426680982 548589834 640021473 1280042946 1920064419 3840128838
• Sum of all divisors σ(n): 10590481440
• Sum of proper divisors (its aliquot sum) s(n): 6750352602
• 3840128838 is an abundant number, because the sum of its proper divisors (6750352602) is greater than itself. Its abundance is 2910223764

Bases of 3840128838

• Binary: 11100100111000111011011101000110₂
• Hexadecimal: 0xE4E3B746
• Base-36: 1RIBADI

Squares and roots of 3840128838

• 3840128838 squared (3840128838²) is 14746589492439230244
• 3840128838 cubed (3840128838³) is 56628803572063671022506176472
• The square root of 3840128838 is 61968.7730877415
• The cube root of 3840128838 is 1565.9645695951

Scales and comparisons

• 3,840,128,838 seconds is equal to 122 years, 5 weeks, 2 days, 22 hours, 27 minutes, 18 seconds.
• To count from 1 to 3,840,128,838 would take you about two hundred forty-four 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 3840128838 cubic inches would be around 130.5 feet tall.

Recreational maths with 3840128838

• 3840128838 backwards is 8388210483
• The number of decimal digits it has is: 10
• The sum of 3840128838's digits is 45
• More coming soon!