138940863057

Names of 138940863057

• Cardinal: 138940863057 can be written as One hundred thirty-eight billion, nine hundred forty million, eight hundred sixty-three thousand and fifty-seven.

Scientific notation

• Scientific notation: 1.38940863057 × 10¹¹

Factors of 138940863057

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 810

Divisors of 138940863057

• Number of divisors d(n): 112
• Complete list of divisors:
  1 3 9 19 27 37 57 81 111 171 243 333 361 513 703 729 751 999 1083 1539 2109 2253 2997 3249 4617 6327 6759 6859 8991 9747 13357 13851 14269 18981 20277 20577 26973 27787 29241 40071 42807 56943 60831 61731 83361 87723 120213 128421 170829 182493 185193 250083 253783 263169 271111 360639 385263 512487 527953 547479 555579 750249 761349 813333 1081917 1155789 1583859 1666737 2250747 2284047 2439999 3245751 3467367 4751577 5000211 5151109 6752241 6852141 7319997 9737253 10031107 10402101 14254731 15453327 20256723 20556423 21959991 30093321 42764193 46359981 61669269 65879973 90279963 128292579 139079943 185007807 190591033 197639919 270839889 384877737 417239829 571773099 812519667 1251719487 1715319297 2437559001 3755158461 5145957891 7312677003 15437873673 46313621019 138940863057
• Sum of all divisors σ(n): 226131032320
• Sum of proper divisors (its aliquot sum) s(n): 87190169263
• 138940863057 is a deficient number, because the sum of its proper divisors (87190169263) is less than itself. Its deficiency is 51750693794

Bases of 138940863057

• Binary: 10000001011001100001010101001001010001₂
• Hexadecimal: 0x2059855251
• Base-36: 1RTTSW29

Squares and roots of 138940863057

• 138940863057 squared (138940863057²) is 19304563427024027385249
• 138940863057 cubed (138940863057³) is 2682192703489316001982499090846193
• The square root of 138940863057 is 372747.7203914197
• The cube root of 138940863057 is 5179.3667459931

Scales and comparisons

• 138,940,863,057 seconds is equal to 4,417 years, 46 weeks, 1 day, 20 hours, 10 minutes, 57 seconds.
• To count from 1 to 138,940,863,057 would take you about eight thousand, eight hundred thirty-five 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 138940863057 cubic inches would be around 431.6 feet tall.

Recreational maths with 138940863057

• 138940863057 backwards is 750368049831
• The number of decimal digits it has is: 12
• The sum of 138940863057's digits is 54
• More coming soon!