138713621607

Names of 138713621607

• Cardinal: 138713621607 can be written as One hundred thirty-eight billion, seven hundred thirteen million, six hundred twenty-one thousand, six hundred seven.

Scientific notation

• Scientific notation: 1.38713621607 × 10¹¹

Factors of 138713621607

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 448

Divisors of 138713621607

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 9 11 27 33 81 99 121 127 243 297 307 363 381 891 921 1089 1143 1331 1397 2673 2763 3267 3377 3429 3993 4191 8289 9801 10131 10287 11979 12573 14641 15367 24867 29403 30393 30861 35937 37147 37719 38989 43923 46101 74601 91179 107811 111441 113157 116967 131769 138303 169037 273537 323433 334323 339471 350901 395307 408617 414909 428879 507111 820611 1002969 1052703 1185921 1225851 1244727 1286637 1521333 1859407 3008907 3158109 3557763 3677553 3734181 3859911 4494787 4563999 4717669 5578221 9026721 9474327 11032659 11579733 13484361 13691997 14153007 16734663 33097977 34739199 40453083 41075991 42459021 50203989 51894359 99293931 104217597 121359249 127377063 150611967 155683077 364077747 382131189 451835901 467049231 570837949 1092233241 1146393567 1401147693 1712513847 4203443079 5137541541 12610329237 15412624623 46237873869 138713621607
• Sum of all divisors σ(n): 231112161280
• Sum of proper divisors (its aliquot sum) s(n): 92398539673
• 138713621607 is a deficient number, because the sum of its proper divisors (92398539673) is less than itself. Its deficiency is 46315081934

Bases of 138713621607

• Binary: 10000001001011111110011110010001100111₂
• Hexadecimal: 0x204BF9E467
• Base-36: 1RQ2IBFR

Squares and roots of 138713621607

• 138713621607 squared (138713621607²) is 19241468819329977262449
• 138713621607 cubed (138713621607³) is 2669053824967427513255264316135543
• The square root of 138713621607 is 372442.7762851631
• The cube root of 138713621607 is 5176.5415415125

Scales and comparisons

• 138,713,621,607 seconds is equal to 4,410 years, 34 weeks, 3 days, 17 hours, 33 minutes, 27 seconds.
• To count from 1 to 138,713,621,607 would take you about eight thousand, eight hundred twenty-one 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 138713621607 cubic inches would be around 431.4 feet tall.

Recreational maths with 138713621607

• 138713621607 backwards is 706126317831
• The number of decimal digits it has is: 12
• The sum of 138713621607's digits is 45
• More coming soon!