138985888824

Names of 138985888824

• Cardinal: 138985888824 can be written as One hundred thirty-eight billion, nine hundred eighty-five million, eight hundred eighty-eight thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.38985888824 × 10¹¹

Factors of 138985888824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 315

Divisors of 138985888824

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 29 36 54 58 72 87 108 116 174 216 232 261 281 348 522 562 696 783 843 1044 1124 1566 1686 2088 2248 2529 3132 3372 5058 6264 6744 7587 8149 10116 15174 16298 20232 24447 30348 32596 48894 60696 65192 73341 78961 97788 146682 157922 195576 220023 236883 293364 315844 440046 473766 586728 631688 710649 880092 947532 1421298 1760184 1895064 2131947 2289869 2842596 4263894 4579738 5685192 6869607 8527788 9159476 13739214 17055576 18318952 20608821 22188041 27478428 41217642 44376082 54956856 61826463 66564123 82435284 88752164 123652926 133128246 164870568 177504328 199692369 247305852 266256492 399384738 494611704 532512984 599077107 643453189 798769476 1198154214 1286906378 1597538952 1930359567 2396308428 2573812756 3860719134 4792616856 5147625512 5791078701 7721438268 11582157402 15442876536 17373236103 23164314804 34746472206 46328629608 69492944412 138985888824
• Sum of all divisors σ(n): 400811112000
• Sum of proper divisors (its aliquot sum) s(n): 261825223176
• 138985888824 is an abundant number, because the sum of its proper divisors (261825223176) is greater than itself. Its abundance is 122839334352

Bases of 138985888824

• Binary: 10000001011100001101000101110000111000₂
• Hexadecimal: 0x205C345C38
• Base-36: 1RUKLY60

Squares and roots of 138985888824

• 138985888824 squared (138985888824²) is 19317077292197288102976
• 138985888824 cubed (138985888824³) is 2684801156937947246954520199540224
• The square root of 138985888824 is 372808.1126048627
• The cube root of 138985888824 is 5179.9261681063

Scales and comparisons

• 138,985,888,824 seconds is equal to 4,419 years, 16 weeks, 4 days, 23 hours, 20 minutes, 24 seconds.
• To count from 1 to 138,985,888,824 would take you about eight thousand, eight hundred thirty-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 138985888824 cubic inches would be around 431.7 feet tall.

Recreational maths with 138985888824

• 138985888824 backwards is 428888589831
• 138985888824 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138985888824's digits is 72
• More coming soon!