138838491348883480

Names of 138838491348883480

• Cardinal: 138838491348883480 can be written as One hundred thirty-eight quadrillion, eight hundred thirty-eight trillion, four hundred ninety-one billion, three hundred forty-eight million, eight hundred eighty-three thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.3883849134888348 × 10¹⁷

Factors of 138838491348883480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2024364

Divisors of 138838491348883480

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 55 56 70 77 88 110 121 140 154 220 242 280 308 385 440 484 605 616 770 847 968 1210 1540 1694 2420 3080 3388 4235 4840 6776 8470 16940 33880 2024339 4048678 8097356 10121695 14170373 16194712 20243390 22267729 28340746 40486780 44535458 56681492 70851865 80973560 89070916 111338645 113362984 141703730 155874103 178141832 222677290 244945019 283407460 311748206 445354580 489890038 566814920 623496412 779370515 890709160 979780076 1224725095 1246992824 1558741030 1714615133 1959560152 2449450190 3117482060 3429230266 4898900380 6234964120 6858460532 8573075665 9797800760 13716921064 17146151330 34292302660 68584605320 4097948386921 8195896773842 16391793547684 20489741934605 28685638708447 32783587095368 40979483869210 45077432256131 57371277416894 81958967738420 90154864512262 114742554833788 143428193542235 163917935476840 180309729024524 225387161280655 229485109667576 286856387084470 315542025792917 360619458049048 450774322561310 495851754817441 573712774168940 631084051585834 901548645122620 991703509634882 1147425548337880 1262168103171668 1577710128964585 1803097290245240 1983407019269764 2479258774087205 2524336206343336 3155420257929170 3470962283722087 3966814038539528 4958517548174410 6310840515858340 6941924567444174 9917035096348820 12621681031716680 13883849134888348 17354811418610435 19834070192697640 27767698269776696 34709622837220870 69419245674441740 138838491348883480
• Sum of all divisors σ(n): 392419731382353360
• Sum of proper divisors (its aliquot sum) s(n): 253581240033469880
• 138838491348883480 is an abundant number, because the sum of its proper divisors (253581240033469880) is greater than itself. Its abundance is 114742748684586400

Bases of 138838491348883480

• Binary: 111101101010000001101111101001110000000000101100000011000₂
• Hexadecimal: 0x1ED40DF4E005818
• Base-36: 11Z24YETI9ZS

Squares and roots of 138838491348883480

• 138838491348883480 squared (138838491348883480²) is 19276126680033992917777042616910400
• 138838491348883480 cubed (138838491348883480³) is 2676268347305881562459957638823939510502407200192000
• The square root of 138838491348883480 is 372610374.7198720713
• The cube root of 138838491348883480 is 517809.4379978921

Scales and comparisons

• 138,838,491,348,883,480 seconds is equal to 4,414,634,569 years, 12 weeks, 4 days, 16 hours, 4 minutes, 40 seconds.
• To count from 1 to 138,838,491,348,883,480 would take you about thirteen billion, two hundred forty-three million, nine hundred three thousand, seven hundred 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 138838491348883480 cubic inches would be around 43150.8 feet tall.

Recreational maths with 138838491348883480

• 138838491348883480 backwards is 084388843194838831
• The number of decimal digits it has is: 18
• The sum of 138838491348883480's digits is 91
• More coming soon!