138343996812168

Names of 138343996812168

• Cardinal: 138343996812168 can be written as One hundred thirty-eight trillion, three hundred forty-three billion, nine hundred ninety-six million, eight hundred twelve thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38343996812168 × 10¹⁴

Factors of 138343996812168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 30499117475

Divisors of 138343996812168

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 81 84 108 126 162 168 189 216 252 324 378 504 567 648 756 1134 1512 2268 4536 30499117463 60998234926 91497352389 121996469852 182994704778 213493822241 243992939704 274492057167 365989409556 426987644482 548984114334 640481466723 731978819112 823476171501 853975288964 1097968228668 1280962933446 1646952343002 1707950577928 1921444400169 2195936457336 2470428514503 2561925866892 3293904686004 3842888800338 4940857029006 5123851733784 5764333200507 6587809372008 7685777600676 9881714058012 11528666401014 15371555201352 17292999601521 19763428116024 23057332802028 34585999203042 46114665604056 69171998406084 138343996812168
• Sum of all divisors σ(n): 442847185577280
• Sum of proper divisors (its aliquot sum) s(n): 304503188765112
• 138343996812168 is an abundant number, because the sum of its proper divisors (304503188765112) is greater than itself. Its abundance is 166159191952944

Bases of 138343996812168

• Binary: 11111011101001010111000110010010110101110001000₂
• Hexadecimal: 0x7DD2B8C96B88
• Base-36: 1D1ECRRKI0

Squares and roots of 138343996812168

• 138343996812168 squared (138343996812168²) is 19139061453965149746272860224
• 138343996812168 cubed (138343996812168³) is 2647774256775242123581741328868551446405632
• The square root of 138343996812168 is 11761972.4881572479
• The cube root of 138343996812168 is 51719.3954183181

Scales and comparisons

• 138,343,996,812,168 seconds is equal to 4,398,911 years, 8 weeks, 6 days, 19 hours, 22 minutes, 48 seconds.
• To count from 1 to 138,343,996,812,168 would take you about ten million, nine hundred ninety-seven thousand, two hundred seventy-seven 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 138343996812168 cubic inches would be around 4309.9 feet tall.

Recreational maths with 138343996812168

• 138343996812168 backwards is 861218699343831
• 138343996812168 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 138343996812168's digits is 72
• More coming soon!