138999268485

Names of 138999268485

• Cardinal: 138999268485 can be written as One hundred thirty-eight billion, nine hundred ninety-nine million, two hundred sixty-eight thousand, four hundred eighty-five.

Scientific notation

• Scientific notation: 1.38999268485 × 10¹¹

Factors of 138999268485

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 173685

Divisors of 138999268485

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 11 15 21 27 33 35 45 49 55 63 77 99 105 121 135 147 165 189 231 245 297 315 363 385 441 495 539 605 693 735 847 945 1089 1155 1323 1485 1617 1815 2079 2205 2541 2695 3267 3465 4235 4851 5445 5929 6615 7623 8085 10395 12705 14553 16335 17787 22869 24255 29645 38115 53361 72765 88935 114345 160083 173659 266805 520977 800415 868295 1215613 1562931 1910249 2604885 3646839 4688793 5730747 6078065 7814655 8509291 9551245 10940517 13371743 17192241 18234195 21012739 23443965 25527873 28653735 32821551 40115229 42546455 51576723 54702585 63038217 66858715 76583619 85961205 93602201 105063695 120345687 127639365 147089173 164107755 189114651 200576145 229750857 257883615 280806603 315191085 361037061 382918095 441267519 468011005 567343953 601728435 735445865 842419809 945573255 1029624211 1148754285 1323802557 1404033015 1805185305 2206337595 2527259427 2836719765 3088872633 3971407671 4212099045 5148121055 6619012785 9266617899 12636297135 15444363165 19857038355 27799853697 46333089495 138999268485
• Sum of all divisors σ(n): 315963950400
• Sum of proper divisors (its aliquot sum) s(n): 176964681915
• 138999268485 is an abundant number, because the sum of its proper divisors (176964681915) is greater than itself. Its abundance is 37965413430

Bases of 138999268485

• Binary: 10000001011101000000001000010010000101₂
• Hexadecimal: 0x205D008485
• Base-36: 1RUSKPZ9

Squares and roots of 138999268485

• 138999268485 squared (138999268485²) is 19320796639365114195225
• 138999268485 cubed (138999268485³) is 2685576599419197227964764479984125
• The square root of 138999268485 is 372826.0566068311
• The cube root of 138999268485 is 5180.0923802615

Scales and comparisons

• 138,999,268,485 seconds is equal to 4,419 years, 38 weeks, 5 days, 19 hours, 54 minutes, 45 seconds.
• To count from 1 to 138,999,268,485 would take you about eight thousand, eight hundred thirty-nine 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 138999268485 cubic inches would be around 431.7 feet tall.

Recreational maths with 138999268485

• 138999268485 backwards is 584862999831
• The number of decimal digits it has is: 12
• The sum of 138999268485's digits is 72
• More coming soon!