238138661307980

Names of 238138661307980

• Cardinal: 238138661307980 can be written as Two hundred thirty-eight trillion, one hundred thirty-eight billion, six hundred sixty-one million, three hundred seven thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.3813866130798 × 10¹⁴

Factors of 238138661307980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14305

Divisors of 238138661307980

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 20 281 562 1093 1124 1405 2186 2810 4372 4733 5465 5620 8191 9466 10930 16382 18932 21860 23665 32764 40955 47330 81910 94660 163820 307133 614266 1228532 1329973 1535665 2301671 2659946 3071330 4603342 5173169 5319892 6142660 6649865 8952763 9206684 10346338 11508355 13299730 17905526 20692676 23016710 25865845 26599460 35811052 38768003 44763815 46033420 51731690 77536006 89527630 103463380 155072012 179055260 193840015 387680030 775360060 1453660489 2515726403 2907320978 5031452806 5814641956 7268302445 10062905612 10893808843 12578632015 14536604890 21787617686 25157264030 29073209780 42373427279 43575235372 50314528060 54469044215 84746854558 108938088430 169493709116 211867136395 217876176860 423734272790 847468545580 11906933065399 23813866130798 47627732261596 59534665326995 119069330653990 238138661307980
• Sum of all divisors σ(n): 502497514487808
• Sum of proper divisors (its aliquot sum) s(n): 264358853179828
• 238138661307980 is an abundant number, because the sum of its proper divisors (264358853179828) is greater than itself. Its abundance is 26220191871848

Bases of 238138661307980

• Binary: 110110001001010111111010010100001000011001001100₂
• Hexadecimal: 0xD895FA50864C
• Base-36: 2CEVE2DUMK

Squares and roots of 238138661307980

• 238138661307980 squared (238138661307980²) is 56710022009556810724411680400
• 238138661307980 cubed (238138661307980³) is 13504848724101940687845144150120253729592000
• The square root of 238138661307980 is 15431742.0049707933
• The cube root of 238138661307980 is 61983.5771025027

Scales and comparisons

• 238,138,661,307,980 seconds is equal to 7,572,072 years, 42 weeks, 3 days, 21 hours, 6 minutes, 20 seconds.
• To count from 1 to 238,138,661,307,980 would take you about eighteen million, nine hundred thirty thousand, one hundred eighty-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 238138661307980 cubic inches would be around 5165.3 feet tall.

Recreational maths with 238138661307980

• 238138661307980 backwards is 089703166831832
• The number of decimal digits it has is: 15
• The sum of 238138661307980's digits is 65
• More coming soon!