138674517408

Names of 138674517408

• Cardinal: 138674517408 can be written as One hundred thirty-eight billion, six hundred seventy-four million, five hundred seventeen thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.38674517408 × 10¹¹

Factors of 138674517408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 9826721

Divisors of 138674517408

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 72 84 96 98 112 126 144 147 168 196 224 252 288 294 336 392 441 504 588 672 784 882 1008 1176 1568 1764 2016 2352 3528 4704 7056 14112 9826709 19653418 29480127 39306836 58960254 68786963 78613672 88440381 117920508 137573926 157227344 176880762 206360889 235841016 275147852 314454688 353761524 412721778 471682032 481508741 550295704 619082667 707523048 825443556 943364064 963017482 1100591408 1238165334 1415046096 1444526223 1650887112 1926034964 2201182816 2476330668 2830092192 2889052446 3301774224 3852069928 4333578669 4952661336 5778104892 6603548448 7704139856 8667157338 9905322672 11556209784 15408279712 17334314676 19810645344 23112419568 34668629352 46224839136 69337258704 138674517408
• Sum of all divisors σ(n): 458740302930
• Sum of proper divisors (its aliquot sum) s(n): 320065785522
• 138674517408 is an abundant number, because the sum of its proper divisors (320065785522) is greater than itself. Its abundance is 181391268114

Bases of 138674517408

• Binary: 10000001001001101001010011010110100000₂
• Hexadecimal: 0x2049A535A0
• Base-36: 1RPF86G0

Squares and roots of 138674517408

• 138674517408 squared (138674517408²) is 19230621778341695038464
• 138674517408 cubed (138674517408³) is 2666797194567309305983703197581312
• The square root of 138674517408 is 372390.2756625099
• The cube root of 138674517408 is 5176.0550631293

Scales and comparisons

• 138,674,517,408 seconds is equal to 4,409 years, 21 weeks, 6 days, 3 hours, 16 minutes, 48 seconds.
• To count from 1 to 138,674,517,408 would take you about eight thousand, eight hundred eighteen 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 138674517408 cubic inches would be around 431.3 feet tall.

Recreational maths with 138674517408

• 138674517408 backwards is 804715476831
• The number of decimal digits it has is: 12
• The sum of 138674517408's digits is 54
• More coming soon!