138839315544

Names of 138839315544

• Cardinal: 138839315544 can be written as One hundred thirty-eight billion, eight hundred thirty-nine million, three hundred fifteen thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.38839315544 × 10¹¹

Factors of 138839315544

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 318

Divisors of 138839315544

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 313 324 486 626 648 729 939 972 1252 1458 1878 1944 2187 2504 2817 2916 3756 4374 5634 5832 6561 7512 8451 8748 11268 13122 16902 17496 19683 22536 25353 26244 33804 39366 50706 52488 59049 67608 76059 78732 97969 101412 118098 152118 157464 177147 195938 202824 228177 236196 293907 304236 354294 391876 456354 472392 587814 608472 684531 708588 783752 881721 912708 1175628 1369062 1417176 1763442 1825416 2053593 2351256 2645163 2738124 3526884 4107186 5290326 5476248 6160779 7053768 7935489 8214372 10580652 12321558 15870978 16428744 18482337 21161304 23806467 24643116 31741956 36964674 47612934 49286232 55447011 63483912 71419401 73929348 95225868 110894022 142838802 147858696 190451736 214258203 221788044 285677604 428516406 443576088 571355208 642774609 857032812 1285549218 1714065624 1928323827 2571098436 3856647654 5142196872 5784971481 7713295308 11569942962 15426590616 17354914443 23139885924 34709828886 46279771848 69419657772 138839315544
• Sum of all divisors σ(n): 391736381400
• Sum of proper divisors (its aliquot sum) s(n): 252897065856
• 138839315544 is an abundant number, because the sum of its proper divisors (252897065856) is greater than itself. Its abundance is 114057750312

Bases of 138839315544

• Binary: 10000001010011011101111101010001011000₂
• Hexadecimal: 0x205377D458
• Base-36: 1RS5CDI0

Squares and roots of 138839315544

• 138839315544 squared (138839315544²) is 19276355540726400015936
• 138839315544 cubed (138839315544³) is 2676316009457245394783704932509184
• The square root of 138839315544 is 372611.4806926915
• The cube root of 138839315544 is 5178.1046263009

Scales and comparisons

• 138,839,315,544 seconds is equal to 4,414 years, 34 weeks, 2 days, 12 hours, 32 minutes, 24 seconds.
• To count from 1 to 138,839,315,544 would take you about eight thousand, eight hundred twenty-nine 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 138839315544 cubic inches would be around 431.5 feet tall.

Recreational maths with 138839315544

• 138839315544 backwards is 445513938831
• 138839315544 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138839315544's digits is 54
• More coming soon!