138041268309

Names of 138041268309

• Cardinal: 138041268309 can be written as One hundred thirty-eight billion, forty-one million, two hundred sixty-eight thousand, three hundred nine.

Scientific notation

• Scientific notation: 1.38041268309 × 10¹¹

Factors of 138041268309

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 60

Divisors of 138041268309

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 7 9 19 21 27 31 49 57 63 81 93 133 147 171 189 217 243 279 399 441 513 567 589 651 729 837 931 1197 1323 1519 1539 1701 1767 1953 2187 2511 2793 3591 3969 4123 4557 4617 5103 5301 5859 6561 7533 8379 10773 11907 12369 13671 13851 15309 15903 17577 19683 22599 25137 28861 32319 35721 37107 41013 41553 45927 47709 52731 59049 67797 75411 86583 96957 107163 111321 123039 124659 137781 143127 158193 177147 203391 226233 259749 290871 321489 333963 369117 373977 413343 429381 474579 531441 610173 678699 779247 872613 964467 1001889 1107351 1121931 1240029 1288143 1423737 1594323 1830519 2036097 2337741 2617839 2893401 3005667 3322053 3365793 3720087 3864429 4271211 4782969 5491557 6108291 7013223 7853517 8680203 9017001 9966159 10097379 11160261 11593287 12813633 16474671 18324873 21039669 23560551 26040609 27051003 29898477 30292137 33480783 34779861 38440899 49424013 54974619 63119007 70681653 78121827 81153009 89695431 90876411 104339583 115322697 148272039 164923857 189357021 212044959 234365481 243459027 269086293 313018749 345968091 494771571 568071063 636134877 730377081 807258879 939056247 1037904273 1484314713 1704213189 2191131243 2421776637 2817168741 4452944139 5112639567 6573393729 7265329911 15337918701 19720181187 46013756103 138041268309
• Sum of all divisors σ(n): 261724045440
• Sum of proper divisors (its aliquot sum) s(n): 123682777131
• 138041268309 is a deficient number, because the sum of its proper divisors (123682777131) is less than itself. Its deficiency is 14358491178

Bases of 138041268309

• Binary: 10000000100011111001101001100001010101₂
• Hexadecimal: 0x2023E69855
• Base-36: 1REY7GB9

Squares and roots of 138041268309

• 138041268309 squared (138041268309²) is 19055391756357327719481
• 138041268309 cubed (138041268309³) is 2630430446172428632203119807227629
• The square root of 138041268309 is 371539.0535448461
• The cube root of 138041268309 is 5168.1643221499

Scales and comparisons

• 138,041,268,309 seconds is equal to 4,389 years, 14 weeks, 5 days, 20 hours, 45 minutes, 9 seconds.
• To count from 1 to 138,041,268,309 would take you about eight thousand, seven hundred seventy-eight 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 138041268309 cubic inches would be around 430.7 feet tall.

Recreational maths with 138041268309

• 138041268309 backwards is 903862140831
• The number of decimal digits it has is: 12
• The sum of 138041268309's digits is 45
• More coming soon!