12438678700

Names of 12438678700

• Cardinal: 12438678700 can be written as Twelve billion, four hundred thirty-eight million, six hundred seventy-eight thousand, seven hundred.

Scientific notation

• Scientific notation: 1.24386787 × 10¹⁰

Factors of 12438678700

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 30233

Divisors of 12438678700

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 25 28 31 35 38 50 62 70 76 95 100 124 133 140 155 175 190 217 266 310 350 380 434 475 532 589 620 665 700 775 868 950 1085 1178 1330 1550 1900 2170 2356 2660 2945 3100 3325 4123 4340 5425 5890 6650 8246 10850 11780 13300 14725 16492 20615 21700 29450 30169 41230 58900 60338 82460 103075 120676 150845 206150 211183 301690 412300 422366 573211 603380 754225 844732 935239 1055915 1146422 1508450 1870478 2111830 2292844 2866055 3016900 3740956 4012477 4223660 4676195 5279575 5732110 6546673 8024954 9352390 10559150 11464220 13093346 14330275 16049908 17769541 18704780 20062385 21118300 23380975 26186692 28660550 32733365 35539082 40124770 46761950 57321100 65466730 71078164 80249540 88847705 93523900 100311925 124386787 130933460 163666825 177695410 200623850 248773574 327333650 355390820 401247700 444238525 497547148 621933935 654667300 888477050 1243867870 1776954100 2487735740 3109669675 6219339350 12438678700
• Sum of all divisors σ(n): 33520076800
• Sum of proper divisors (its aliquot sum) s(n): 21081398100
• 12438678700 is an abundant number, because the sum of its proper divisors (21081398100) is greater than itself. Its abundance is 8642719400

Bases of 12438678700

• Binary: 1011100101011001110010110010101100₂
• Hexadecimal: 0x2E5672CAC
• Base-36: 5PPO1WS

Squares and roots of 12438678700

• 12438678700 squared (12438678700²) is 154720727801833690000
• 12438678700 cubed (12438678700³) is 1924521421357166540745403000000
• The square root of 12438678700 is 111528.8245253217
• The cube root of 12438678700 is 2316.9931505665

Scales and comparisons

• 12,438,678,700 seconds is equal to 395 years, 26 weeks, 4 days, 4 hours, 31 minutes, 40 seconds.
• To count from 1 to 12,438,678,700 would take you about seven hundred ninety-one 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 12438678700 cubic inches would be around 193.1 feet tall.

Recreational maths with 12438678700

• 12438678700 backwards is 00787683421
• The number of decimal digits it has is: 11
• The sum of 12438678700's digits is 46
• More coming soon!