138121675055

Names of 138121675055

• Cardinal: 138121675055 can be written as One hundred thirty-eight billion, one hundred twenty-one million, six hundred seventy-five thousand and fifty-five.

Scientific notation

• Scientific notation: 1.38121675055 × 10¹¹

Factors of 138121675055

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 224

Divisors of 138121675055

• Number of divisors d(n): 384
• Complete list of divisors:
  1 5 7 13 17 19 31 35 49 61 65 71 85 91 95 119 133 155 217 221 245 247 305 323 355 403 427 455 497 527 589 595 637 665 793 833 923 931 1037 1085 1105 1159 1207 1235 1349 1519 1547 1615 1729 1891 2015 2135 2201 2261 2485 2635 2821 2945 2989 3185 3479 3689 3965 4123 4165 4199 4331 4615 4655 5185 5551 5795 6035 6461 6745 6851 7259 7595 7657 7735 8113 8449 8645 9443 9455 10013 10829 11005 11305 12103 13237 13481 14105 14945 15067 15407 15691 15827 17395 17537 18445 19703 19747 20615 20995 21655 22933 24583 25823 27755 28613 28861 29393 30317 32147 32305 34255 35929 36295 37417 38285 38857 40565 41819 42245 45227 47215 47957 50065 50813 53599 54145 56303 56791 59143 60515 66101 66185 67405 70091 73627 75335 77035 78455 79135 82289 87685 92659 94367 98515 98735 105469 107849 109837 114665 122759 122915 129115 130169 134261 137921 143065 144305 146965 151585 160531 160735 172081 179645 187085 194285 200291 205751 209095 212219 225029 226135 239785 251503 254065 256139 261919 267995 281515 283955 292733 295715 298129 330505 335699 350455 368135 375193 394121 411445 417911 463295 467077 471835 486421 490637 515389 527345 539245 543647 549185 576023 610793 613795 650845 660569 671305 689605 710923 738283 768859 802655 859313 860405 911183 939827 957151 965447 1001455 1028755 1061095 1069757 1123717 1125145 1204567 1257515 1280695 1309595 1398913 1402037 1463665 1490645 1575203 1678495 1745393 1760521 1792973 1833433 1875965 1970605 2049131 2086903 2089555 2282437 2335385 2432105 2453185 2550959 2576945 2718235 2758847 2880115 2925377 3053965 3269539 3302845 3404947 3554615 3607723 3691415 3805529 3844295 4032161 4275551 4296565 4555915 4699135 4785755 4827235 4976461 5348785 5618585 6022835 6378281 6578789 6700057 6994565 7010185 7488299 7876015 7940309 8726965 8802605 8964865 9167165 9241999 9792391 10245655 10434515 11412185 12217751 12550811 12754795 13794235 14608321 14626885 15977059 16347695 17024735 17856713 18038615 18185869 19027645 20160805 20477639 21377755 22886773 23834629 24882305 26638703 29671681 29928857 31891405 32893945 33162467 33500285 34835227 37441495 39701545 43366303 46209995 46900399 48961955 52418093 55582163 61088755 62754055 64693993 68546737 73041605 79885295 85524257 89283565 90929345 102388195 111839413 114433865 119173145 124996991 127301083 133193515 148358405 149644285 165812335 174176135 207701767 216831515 232137269 234501995 262090465 277910815 303564121 323469965 342733685 389075141 427621285 452857951 559197065 563761939 624984955 636505415 891107581 1038508835 1160686345 1453912369 1517820605 1624960883 1945375705 2124948847 2264289755 2818809695 3946333573 4455537905 7269561845 8124804415 10624744235 19731667865 27624335011 138121675055
• Sum of all divisors σ(n): 246224240640
• Sum of proper divisors (its aliquot sum) s(n): 108102565585
• 138121675055 is a deficient number, because the sum of its proper divisors (108102565585) is less than itself. Its deficiency is 30019109470

Bases of 138121675055

• Binary: 10000000101000101100011000000100101111₂
• Hexadecimal: 0x2028B1812F
• Base-36: 1RGA2UJZ

Squares and roots of 138121675055

• 138121675055 squared (138121675055²) is 19077597119999009253025
• 138121675055 cubed (138121675055³) is 2635029670238706997968257325791375
• The square root of 138121675055 is 371647.2454559565
• The cube root of 138121675055 is 5169.1675840063

Scales and comparisons

• 138,121,675,055 seconds is equal to 4,391 years, 43 weeks, 5 days, 11 hours, 57 minutes, 35 seconds.
• To count from 1 to 138,121,675,055 would take you about eight thousand, seven hundred eighty-three 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 138121675055 cubic inches would be around 430.8 feet tall.

Recreational maths with 138121675055

• 138121675055 backwards is 550576121831
• The number of decimal digits it has is: 12
• The sum of 138121675055's digits is 44
• More coming soon!