838138266225

Names of 838138266225

• Cardinal: 838138266225 can be written as Eight hundred thirty-eight billion, one hundred thirty-eight million, two hundred sixty-six thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 8.38138266225 × 10¹¹

Factors of 838138266225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 26259

Divisors of 838138266225

• Number of divisors d(n): 162
• Complete list of divisors:
  1 3 5 9 13 15 25 29 39 45 65 75 87 117 145 169 195 225 261 325 377 435 507 585 725 841 845 975 1131 1305 1521 1885 2175 2523 2535 2925 3393 4205 4225 4901 5655 6525 7569 7605 9425 10933 12615 12675 14703 16965 21025 24505 26209 28275 32799 37845 38025 44109 54665 63075 73515 78627 84825 98397 122525 131045 142129 163995 189225 220545 235881 273325 340717 367575 393135 426387 491985 655225 710645 760061 819975 1022151 1102725 1179405 1279161 1703585 1965675 2131935 2280183 2459925 3066453 3553225 3800305 4429321 5110755 5897025 6395805 6840549 8517925 9880793 10659675 11400915 13287963 15332265 19001525 22041769 22146605 25553775 29642379 31979025 34202745 39863889 49403965 57004575 66125307 66439815 76661325 88927137 110208845 110733025 128450309 148211895 171013725 198375921 199319445 247019825 286542997 330626535 332199075 385350927 444635685 551044225 642251545 741059475 859628991 991879605 996597225 1156052781 1432714985 1653132675 1926754635 2223178425 2578886973 3211257725 3725058961 4298144955 4959398025 5780263905 7163574925 9633773175 11175176883 12894434865 18625294805 21490724775 28901319525 33525530649 55875884415 64472174325 93126474025 167627653245 279379422075 838138266225
• Sum of all divisors σ(n): 1683609283590
• Sum of proper divisors (its aliquot sum) s(n): 845471017365
• 838138266225 is an abundant number, because the sum of its proper divisors (845471017365) is greater than itself. Its abundance is 7332751140

Bases of 838138266225

• Binary: 1100001100100100111011110000001001110001₂
• Hexadecimal: 0xC324EF0271
• Base-36: AP19VT69

Squares and roots of 838138266225

• 838138266225 squared (838138266225²) is 702475753310648975750625
• 838138266225 cubed (838138266225³) is 588771809944888136365200905460140625
• The square root of 838138266225 is 915498.9165613469
• The cube root of 838138266225 is 9428.4120979151

Scales and comparisons

• 838,138,266,225 seconds is equal to 26,650 years, 10 weeks, 4 days, 9 hours, 3 minutes, 45 seconds.
• To count from 1 to 838,138,266,225 would take you about fifty-three thousand, three hundred 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 838138266225 cubic inches would be around 785.7 feet tall.

Recreational maths with 838138266225

• 838138266225 backwards is 522662831838
• The number of decimal digits it has is: 12
• The sum of 838138266225's digits is 54
• More coming soon!