438129525990

Names of 438129525990

• Cardinal: 438129525990 can be written as Four hundred thirty-eight billion, one hundred twenty-nine million, five hundred twenty-five thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 4.3812952599 × 10¹¹

Factors of 438129525990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 21196473

Divisors of 438129525990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 53 65 78 106 130 159 195 265 318 390 530 689 795 1378 1590 2067 3445 4134 6890 10335 20670 21196397 42392794 63589191 105981985 127178382 211963970 275553161 317945955 551106322 635891910 826659483 1123409041 1377765805 1653318966 2246818082 2755531610 3370227123 4133297415 5617045205 6740454246 8266594830 11234090410 14604317533 16851135615 29208635066 33702271230 43812952599 73021587665 87625905198 146043175330 219064762995 438129525990
• Sum of all divisors σ(n): 1153762335936
• Sum of proper divisors (its aliquot sum) s(n): 715632809946
• 438129525990 is an abundant number, because the sum of its proper divisors (715632809946) is greater than itself. Its abundance is 277503283956

Bases of 438129525990

• Binary: 110011000000010100011100000010011100110₂
• Hexadecimal: 0x66028E04E6
• Base-36: 5L9V09UU

Squares and roots of 438129525990

• 438129525990 squared (438129525990²) is 191957481544222085480100
• 438129525990 cubed (438129525990³) is 84102240399204195534685474577799000
• The square root of 438129525990 is 661913.5336205175
• The cube root of 438129525990 is 7595.1118497421

Scales and comparisons

• 438,129,525,990 seconds is equal to 13,931 years, 8 weeks, 3 days, 14 hours, 6 minutes, 30 seconds.
• To count from 1 to 438,129,525,990 would take you about twenty-seven thousand, eight hundred sixty-two 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 438129525990 cubic inches would be around 632.9 feet tall.

Recreational maths with 438129525990

• 438129525990 backwards is 099525921834
• The number of decimal digits it has is: 12
• The sum of 438129525990's digits is 57
• More coming soon!