139688805438

Names of 139688805438

• Cardinal: 139688805438 can be written as One hundred thirty-nine billion, six hundred eighty-eight million, eight hundred five thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.39688805438 × 10¹¹

Factors of 139688805438

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 88797

Divisors of 139688805438

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 31 39 42 62 63 78 91 93 117 126 182 186 217 234 273 279 403 434 546 558 651 806 819 961 1209 1302 1638 1922 1953 2418 2821 2883 3627 3906 5642 5766 6727 7254 8463 8649 12493 13454 16926 17298 20181 24986 25389 37479 40362 50778 60543 74958 87451 88741 112437 121086 174902 177482 224874 262353 266223 524706 532446 621187 787059 798669 1153633 1242374 1574118 1597338 1863561 2307266 2750971 3460899 3727122 5501942 5590683 6921798 8075431 8252913 10382697 11181366 16150862 16505826 19256797 20765394 24226293 24758739 35762623 38513594 48452586 49517478 57770391 71525246 72678879 85280101 107287869 115540782 145357758 170560202 173311173 214575738 250338361 255840303 321863607 346622346 500676722 511680606 596960707 643727214 751015083 767520909 1108641313 1193921414 1502030166 1535041818 1790882121 2217282626 2253045249 3325923939 3581764242 4506090498 5372646363 6651847878 7760489191 9977771817 10745292726 15520978382 19955543634 23281467573 46562935146 69844402719 139688805438
• Sum of all divisors σ(n): 384911680608
• Sum of proper divisors (its aliquot sum) s(n): 245222875170
• 139688805438 is an abundant number, because the sum of its proper divisors (245222875170) is greater than itself. Its abundance is 105534069732

Bases of 139688805438

• Binary: 10000010000110000110100000010000111110₂
• Hexadecimal: 0x20861A043E
• Base-36: 1S673W3I

Squares and roots of 139688805438

• 139688805438 squared (139688805438²) is 19512962364695418371844
• 139688805438 cubed (139688805438³) is 2725742403280954697074527253287672
• The square root of 139688805438 is 373749.6561041897
• The cube root of 139688805438 is 5188.6439240545

Scales and comparisons

• 139,688,805,438 seconds is equal to 4,441 years, 34 weeks, 6 days, 13 hours, 57 minutes, 18 seconds.
• To count from 1 to 139,688,805,438 would take you about eight thousand, eight 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 139688805438 cubic inches would be around 432.4 feet tall.

Recreational maths with 139688805438

• 139688805438 backwards is 834508886931
• 139688805438 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 139688805438's digits is 63
• More coming soon!