138672438047

Names of 138672438047

• Cardinal: 138672438047 can be written as One hundred thirty-eight billion, six hundred seventy-two million, four hundred thirty-eight thousand and forty-seven.

Scientific notation

• Scientific notation: 1.38672438047 × 10¹¹

Factors of 138672438047

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 518

Divisors of 138672438047

• Number of divisors d(n): 96
• Complete list of divisors:
  1 11 13 37 73 121 127 143 257 407 481 803 949 1397 1573 1651 2701 2827 3341 4477 4699 5291 8833 9271 9509 10439 15367 18161 18761 29711 31097 32639 35113 36751 51689 58201 61087 101981 104599 114829 120523 123617 199771 206371 243893 326821 343027 359029 386243 404261 424307 568579 671957 694157 1121791 1150589 1207643 1325753 1359787 2270081 2382647 2682823 3773297 3949319 4248673 4459351 4667377 7391527 7635727 9024041 13284073 14583283 14957657 15699359 26209117 29511053 30974411 41506267 49052861 51341147 83992997 88157939 99264451 146124803 172692949 288300287 340718521 539581471 969737329 1091908961 1146053207 1899622439 3747903731 10667110619 12606585277 138672438047
• Sum of all divisors σ(n): 172911814656
• Sum of proper divisors (its aliquot sum) s(n): 34239376609
• 138672438047 is a deficient number, because the sum of its proper divisors (34239376609) is less than itself. Its deficiency is 104433061438

Bases of 138672438047

• Binary: 10000001001001100001010111101100011111₂
• Hexadecimal: 0x2049857B1F
• Base-36: 1RPDZLZZ

Squares and roots of 138672438047

• 138672438047 squared (138672438047²) is 19230045073899053174209
• 138672438047 cubed (138672438047³) is 2666677234151283988032456250729823
• The square root of 138672438047 is 372387.4837410623
• The cube root of 138672438047 is 5176.0291921401

Scales and comparisons

• 138,672,438,047 seconds is equal to 4,409 years, 18 weeks, 3 days, 1 hour, 40 minutes, 47 seconds.
• To count from 1 to 138,672,438,047 would take you about eight thousand, eight hundred eighteen 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 138672438047 cubic inches would be around 431.3 feet tall.

Recreational maths with 138672438047

• 138672438047 backwards is 740834276831
• The number of decimal digits it has is: 12
• The sum of 138672438047's digits is 53
• More coming soon!