138685760752

Names of 138685760752

• Cardinal: 138685760752 can be written as One hundred thirty-eight billion, six hundred eighty-five million, seven hundred sixty thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 1.38685760752 × 10¹¹

Factors of 138685760752

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 477

Divisors of 138685760752

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 44 49 56 77 88 98 112 121 154 176 196 242 308 343 392 457 484 539 616 686 784 847 914 968 1078 1232 1372 1694 1828 1936 2156 2744 3199 3388 3656 3773 4312 5027 5488 5929 6398 6776 7312 7546 8624 10054 11858 12796 13552 15092 20108 22393 23716 25592 30184 35189 40216 41503 44786 47432 51184 55297 60368 70378 80432 83006 89572 94864 110594 140756 156751 166012 179144 208849 221188 246323 281512 313502 332024 358288 387079 417698 442376 492646 563024 627004 664048 774158 835396 884752 985292 1254008 1461943 1548316 1670792 1724261 1970584 2297339 2508016 2709553 2923886 3096632 3341584 3448522 3941168 4594678 5419106 5847772 6193264 6897044 9189356 10233601 10838212 11695544 13794088 16081373 18378712 18966871 20467202 21676424 23391088 25270729 27588176 32162746 36757424 37933742 40934404 43352848 50541458 64325492 71635207 75867484 81868808 101082916 112569611 128650984 143270414 151734968 163737616 176895103 202165832 225139222 257301968 286540828 303469936 353790206 404331664 450278444 573081656 707580412 787987277 900556888 1146163312 1238265721 1415160824 1575974554 1801113776 2476531442 2830321648 3151949108 4953062884 6303898216 8667860047 9906125768 12607796432 17335720094 19812251536 34671440188 69342880376 138685760752
• Sum of all divisors σ(n): 345189104400
• Sum of proper divisors (its aliquot sum) s(n): 206503343648
• 138685760752 is an abundant number, because the sum of its proper divisors (206503343648) is greater than itself. Its abundance is 67817582896

Bases of 138685760752

• Binary: 10000001001010010100001100010011110000₂
• Hexadecimal: 0x204A50C4F0
• Base-36: 1RPLX5V4

Squares and roots of 138685760752

• 138685760752 squared (138685760752²) is 19233740235360983605504
• 138685760752 cubed (138685760752³) is 2667445896647389542668322094379008
• The square root of 138685760752 is 372405.3715402077
• The cube root of 138685760752 is 5176.1949460627

Scales and comparisons

• 138,685,760,752 seconds is equal to 4,409 years, 40 weeks, 3 days, 6 hours, 25 minutes, 52 seconds.
• To count from 1 to 138,685,760,752 would take you about eight thousand, eight hundred nineteen 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 138685760752 cubic inches would be around 431.3 feet tall.

Recreational maths with 138685760752

• 138685760752 backwards is 257067586831
• The number of decimal digits it has is: 12
• The sum of 138685760752's digits is 58
• More coming soon!