138668934989557

Names of 138668934989557

• Cardinal: 138668934989557 can be written as One hundred thirty-eight trillion, six hundred sixty-eight billion, nine hundred thirty-four million, nine hundred eighty-nine thousand, five hundred fifty-seven.

Scientific notation

• Scientific notation: 1.38668934989557 × 10¹⁴

Factors of 138668934989557

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 296

Divisors of 138668934989557

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 29 49 61 199 203 343 427 841 1393 1421 1769 2989 5771 5887 9751 9947 12139 12383 20923 39601 40397 41209 51301 68257 84973 86681 167359 277207 282779 288463 352031 359107 594811 606767 1148429 1171513 1940449 1979453 2415661 2464217 2513749 4163677 7880599 8039003 8200591 10208899 13583143 16909627 17249519 17596243 33304441 55164193 56273021 57404137 70054169 71462293 118367389 120746633 228537371 233131087 386149351 393911147 480716539 490379183 500236051 828571723 1599761597 1631917609 2031570901 2703045457 3365015773 3432654281 3501652357 6627583759 11198331179 11423423263 13940779631 14220996307 23555110411 24028579967 46393086313 78388318253 97585457417 99546974149 164885772877 324751604191 404282609299 683098201919 696828819043 2273261229337 2829978265093 4781687413433 19809847855651 138668934989557
• Sum of all divisors σ(n): 171086976320000
• Sum of proper divisors (its aliquot sum) s(n): 32418041330443
• 138668934989557 is a deficient number, because the sum of its proper divisors (32418041330443) is less than itself. Its deficiency is 106250893659114

Bases of 138668934989557

• Binary: 11111100001111001100000100111001000011011110101₂
• Hexadecimal: 0x7E1E609C86F5
• Base-36: 1D5JMNKET1

Squares and roots of 138668934989557

• 138668934989557 squared (138668934989557²) is 19229073531137985623699056249
• 138668934989557 cubed (138668934989557³) is 2666475147398784589597984906685635570591693
• The square root of 138668934989557 is 11775777.4685817241
• The cube root of 138668934989557 is 51759.8560722263

Scales and comparisons

• 138,668,934,989,557 seconds is equal to 4,409,243 years, 10 weeks, 3 days, 8 hours, 12 minutes, 37 seconds.
• To count from 1 to 138,668,934,989,557 would take you about eleven million, twenty-three thousand, one hundred 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 138668934989557 cubic inches would be around 4313.3 feet tall.

Recreational maths with 138668934989557

• 138668934989557 backwards is 755989439866831
• The number of decimal digits it has is: 15
• The sum of 138668934989557's digits is 91
• More coming soon!