138942290256

Names of 138942290256

• Cardinal: 138942290256 can be written as One hundred thirty-eight billion, nine hundred forty-two million, two hundred ninety thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 1.38942290256 × 10¹¹

Factors of 138942290256

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4957

Divisors of 138942290256

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 49 56 66 77 84 88 98 112 132 147 154 168 176 196 231 264 294 308 336 392 462 528 539 588 616 784 924 1078 1176 1232 1617 1621 1848 2156 2352 3234 3242 3313 3696 4312 4863 6468 6484 6626 8624 9726 9939 11347 12936 12968 13252 17831 19452 19878 22694 23191 25872 25936 26504 34041 35662 36443 38904 39756 45388 46382 53008 53493 68082 69573 71324 72886 77808 79429 79512 90776 92764 106986 109329 124817 136164 139146 142648 145772 158858 159024 162337 181552 185528 213972 218658 238287 249634 255101 272328 278292 285296 291544 317716 324674 371056 374451 427944 437316 476574 487011 499268 510202 544656 556584 583088 635432 649348 748902 765303 855888 873719 874632 953148 974022 998536 1020404 1113168 1270864 1298696 1497804 1530606 1747438 1749264 1785707 1906296 1948044 1997072 2040808 2597392 2621157 2995608 3061212 3494876 3571414 3812592 3896088 4081616 5242314 5357121 5370373 5991216 6122424 6989752 7142828 7792176 10484628 10714242 10740746 12244848 13979504 14285656 16111119 20969256 21428484 21481492 28571312 32222238 37592611 41938512 42856968 42962984 59074103 64444476 75185222 85713936 85925968 112777833 118148206 128888952 150370444 177222309 225555666 236296412 257777904 263148277 300740888 354444618 413518721 451111332 472592824 526296554 601481776 708889236 789444831 827037442 902222664 945185648 1052593108 1240556163 1417778472 1578889662 1654074884 1804445328 2105186216 2481112326 2835556944 2894631047 3157779324 3308149768 4210372432 4962224652 5789262094 6315558648 6616299536 8683893141 9924449304 11578524188 12631117296 17367786282 19848898608 23157048376 34735572564 46314096752 69471145128 138942290256
• Sum of all divisors σ(n): 455912123328
• Sum of proper divisors (its aliquot sum) s(n): 316969833072
• 138942290256 is an abundant number, because the sum of its proper divisors (316969833072) is greater than itself. Its abundance is 178027542816

Bases of 138942290256

• Binary: 10000001011001100110110001100101010000₂
• Hexadecimal: 0x20599B1950
• Base-36: 1RTUNHAO

Squares and roots of 138942290256

• 138942290256 squared (138942290256²) is 19304960021582552545536
• 138942290256 cubed (138942290256³) is 2682275358699199040247234569097216
• The square root of 138942290256 is 372749.6348167225
• The cube root of 138942290256 is 5179.3844800649

Scales and comparisons

• 138,942,290,256 seconds is equal to 4,417 years, 48 weeks, 4 days, 8 hours, 37 minutes, 36 seconds.
• To count from 1 to 138,942,290,256 would take you about eight thousand, eight hundred thirty-five 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 138942290256 cubic inches would be around 431.6 feet tall.

Recreational maths with 138942290256

• 138942290256 backwards is 652092249831
• The number of decimal digits it has is: 12
• The sum of 138942290256's digits is 51
• More coming soon!