72318285138

Names of 72318285138

• Cardinal: 72318285138 can be written as Seventy-two billion, three hundred eighteen million, two hundred eighty-five thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.2318285138 × 10¹⁰

Factors of 72318285138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2931

Divisors of 72318285138

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 11 22 33 53 61 66 106 121 122 159 183 242 318 363 366 583 671 726 1166 1331 1342 1749 2013 2662 2801 3233 3498 3993 4026 5602 6413 6466 7381 7986 8403 9699 12826 14762 16806 19239 19398 22143 30811 35563 38478 44286 61622 70543 71126 81191 92433 106689 141086 148453 162382 170861 184866 211629 213378 243573 296906 338921 341722 391193 423258 445359 487146 512583 677842 782386 890718 1016763 1025166 1173579 1632983 1879471 2033526 2347158 3265966 3728131 3758942 4303123 4898949 5638413 7456262 8606246 9055633 9797898 11184393 11276826 12909369 17962813 18111266 20674181 22368786 25818738 27166899 35925626 41348362 53888439 54333798 62022543 99611963 107776878 124045086 197590943 199223926 227415991 298835889 395181886 454831982 592772829 597671778 682247973 1095731593 1185545658 1364495946 2191463186 3287194779 6574389558 12053047523 24106095046 36159142569 72318285138
• Sum of all divisors σ(n): 164807094528
• Sum of proper divisors (its aliquot sum) s(n): 92488809390
• 72318285138 is an abundant number, because the sum of its proper divisors (92488809390) is greater than itself. Its abundance is 20170524252

Bases of 72318285138

• Binary: 1000011010110100000010111010101010010₂
• Hexadecimal: 0x10D6817552
• Base-36: X80FTXU

Squares and roots of 72318285138

• 72318285138 squared (72318285138²) is 5229934365301071679044
• 72318285138 cubed (72318285138³) is 378219884682867954902080411248072
• The square root of 72318285138 is 268920.5926254069
• The cube root of 72318285138 is 4166.2888181637

Scales and comparisons

• 72,318,285,138 seconds is equal to 2,299 years, 25 weeks, 6 days, 4 hours, 32 minutes, 18 seconds.
• To count from 1 to 72,318,285,138 would take you about four thousand, five hundred ninety-eight 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 72318285138 cubic inches would be around 347.2 feet tall.

Recreational maths with 72318285138

• 72318285138 backwards is 83158281327
• The number of decimal digits it has is: 11
• The sum of 72318285138's digits is 48
• More coming soon!