138749915356

Names of 138749915356

• Cardinal: 138749915356 can be written as One hundred thirty-eight billion, seven hundred forty-nine million, nine hundred fifteen thousand, three hundred fifty-six.

Scientific notation

• Scientific notation: 1.38749915356 × 10¹¹

Factors of 138749915356

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 107

Divisors of 138749915356

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 13 19 26 38 52 73 76 146 247 292 361 494 722 949 988 1387 1444 1898 2774 3796 4693 5329 5548 6859 9386 10658 13718 18031 18772 21316 26353 27436 36062 52706 69277 72124 89167 101251 105412 138554 178334 202502 277108 342589 356668 389017 405004 500707 685178 778034 1001414 1316263 1370356 1556068 1923769 2002828 2632526 3847538 5057221 5265052 6509191 7391323 7695076 10114442 13018382 14782646 20228884 25008997 26036764 29565292 36551611 50017994 73103222 96087199 100035988 140435137 146206444 192174398 280870274 384348796 475170943 561740548 950341886 1825656781 1900683772 2668267603 3651313562 5336535206 7302627124 10673070412 34687478839 69374957678 138749915356
• Sum of all divisors σ(n): 279848878400
• Sum of proper divisors (its aliquot sum) s(n): 141098963044
• 138749915356 is an abundant number, because the sum of its proper divisors (141098963044) is greater than itself. Its abundance is 2349047688

Bases of 138749915356

• Binary: 10000001001110001000111011000011011100₂
• Hexadecimal: 0x204E23B0DC
• Base-36: 1RQO47VG

Squares and roots of 138749915356

• 138749915356 squared (138749915356²) is 19251539011297164606736
• 138749915356 cubed (138749915356³) is 2671149408290213516947419027438016
• The square root of 138749915356 is 372491.4970250999
• The cube root of 138749915356 is 5176.9929745055

Scales and comparisons

• 138,749,915,356 seconds is equal to 4,411 years, 42 weeks, 3 days, 19 hours, 9 minutes, 16 seconds.
• To count from 1 to 138,749,915,356 would take you about eight thousand, eight hundred twenty-three 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 138749915356 cubic inches would be around 431.4 feet tall.

Recreational maths with 138749915356

• 138749915356 backwards is 653519947831
• The number of decimal digits it has is: 12
• The sum of 138749915356's digits is 61
• More coming soon!