5145135138

Names of 5145135138

• Cardinal: 5145135138 can be written as Five billion, one hundred forty-five million, one hundred thirty-five thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 5.145135138 × 10⁹

Factors of 5145135138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 181746

Divisors of 5145135138

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 11 13 18 22 26 33 39 66 78 99 117 121 143 198 234 242 286 363 429 726 858 1089 1287 1573 2178 2574 3146 4719 9438 14157 28314 181717 363434 545151 1090302 1635453 1998887 2362321 3270906 3997774 4724642 5996661 7086963 11993322 14173926 17989983 21260889 21987757 25985531 35979966 42521778 43975514 51971062 65963271 77956593 131926542 155913186 197889813 233869779 285840841 395779626 467739558 571681682 857522523 1715045046 2572567569 5145135138
• Sum of all divisors σ(n): 13195997724
• Sum of proper divisors (its aliquot sum) s(n): 8050862586
• 5145135138 is an abundant number, because the sum of its proper divisors (8050862586) is greater than itself. Its abundance is 2905727448

Bases of 5145135138

• Binary: 100110010101011001000100000100010₂
• Hexadecimal: 0x132AC8822
• Base-36: 2D3A3OI

Squares and roots of 5145135138

• 5145135138 squared (5145135138²) is 26472415588282279044
• 5145135138 cubed (5145135138³) is 136204155631010094972005448072
• The square root of 5145135138 is 71729.5973639891
• The cube root of 5145135138 is 1726.3635665913

Scales and comparisons

• 5,145,135,138 seconds is equal to 163 years, 31 weeks, 1 day, 4 hours, 12 minutes, 18 seconds.
• To count from 1 to 5,145,135,138 would take you about three hundred twenty-seven 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 5145135138 cubic inches would be around 143.9 feet tall.

Recreational maths with 5145135138

• 5145135138 backwards is 8315315415
• The number of decimal digits it has is: 10
• The sum of 5145135138's digits is 36
• More coming soon!