138811008231

Names of 138811008231

• Cardinal: 138811008231 can be written as One hundred thirty-eight billion, eight hundred eleven million, eight thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 1.38811008231 × 10¹¹

Factors of 138811008231

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 130

Divisors of 138811008231

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 7 9 21 27 49 53 63 67 81 147 159 189 201 243 343 371 441 469 477 567 603 1029 1113 1323 1407 1431 1701 1809 2401 2597 3087 3283 3339 3551 3969 4221 4293 4489 5427 7203 7791 9261 9849 10017 10653 11907 12663 12879 13467 16281 18179 21609 22981 23373 24857 27783 29547 30051 31423 31959 37989 40401 54537 64827 68943 70119 74571 83349 88641 90153 94269 95877 113967 121203 127253 160867 163611 173999 194481 206829 210357 219961 223713 237917 265923 282807 287631 363609 381759 482601 490833 521997 583443 620487 631071 659883 671139 713751 797769 848421 862893 1090827 1145277 1217993 1447803 1472499 1539727 1565991 1665419 1861461 1979649 2013417 2141253 2545263 3435831 3653979 4343409 4417497 4619181 4697973 4996257 5584383 5938947 6040251 6423759 7635789 8525951 10307493 10778089 10961937 11657933 13030227 13857543 14093919 14988771 17816841 19271277 25577853 30922479 32334267 32885811 34973799 39090681 41572629 42281757 44966313 53450523 57813831 76733559 81605531 97002801 98657433 104921397 124717887 134898939 230200677 244816593 291008403 295972299 314764191 374153661 404696817 571238717 690602031 734449779 873025209 944292573 1713716151 2071806093 2203349337 2619075627 2832877719 5141148453 6610048011 15423445359 19830144033 46270336077 138811008231
• Sum of all divisors σ(n): 250892269992
• Sum of proper divisors (its aliquot sum) s(n): 112081261761
• 138811008231 is a deficient number, because the sum of its proper divisors (112081261761) is less than itself. Its deficiency is 26729746470

Bases of 138811008231

• Binary: 10000001010001110001111110010011100111₂
• Hexadecimal: 0x2051C7E4E7
• Base-36: 1RROHNFR

Squares and roots of 138811008231

• 138811008231 squared (138811008231²) is 19268496006106749749361
• 138811008231 cubed (138811008231³) is 2674679357702674665723206957990391
• The square root of 138811008231 is 372573.4937311027
• The cube root of 138811008231 is 5177.7526890255

Scales and comparisons

• 138,811,008,231 seconds is equal to 4,413 years, 39 weeks, 3 days, 21 hours, 23 minutes, 51 seconds.
• To count from 1 to 138,811,008,231 would take you about eight thousand, eight hundred twenty-seven 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 138811008231 cubic inches would be around 431.5 feet tall.

Recreational maths with 138811008231

• 138811008231 backwards is 132800118831
• The number of decimal digits it has is: 12
• The sum of 138811008231's digits is 36
• More coming soon!