18944937144

Names of 18944937144

• Cardinal: 18944937144 can be written as Eighteen billion, nine hundred forty-four million, nine hundred thirty-seven thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.8944937144 × 10¹⁰

Factors of 18944937144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6143

Divisors of 18944937144

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 6131 12262 18393 24524 36786 42917 49048 55179 73572 85834 110358 128751 147144 171668 220716 257502 343336 386253 441432 515004 772506 1030008 1545012 3090024 37589161 75178322 112767483 150356644 225534966 263124127 300713288 338302449 451069932 526248254 676604898 789372381 902139864 1052496508 1353209796 1578744762 2104993016 2368117143 2706419592 3157489524 4736234286 6314979048 9472468572 18944937144
• Sum of all divisors σ(n): 58648657080
• Sum of proper divisors (its aliquot sum) s(n): 39703719936
• 18944937144 is an abundant number, because the sum of its proper divisors (39703719936) is greater than itself. Its abundance is 20758782792

Bases of 18944937144

• Binary: 10001101001001101001100110010111000₂
• Hexadecimal: 0x46934CCB8
• Base-36: 8PBBR20

Squares and roots of 18944937144

• 18944937144 squared (18944937144²) is 358910643390110876736
• 18944937144 cubed (18944937144³) is 6799539579338249630954251881984
• The square root of 18944937144 is 137640.6086298663
• The cube root of 18944937144 is 2665.8214385271

Scales and comparisons

• 18,944,937,144 seconds is equal to 602 years, 20 weeks, 2 days, 2 hours, 32 minutes, 24 seconds.
• To count from 1 to 18,944,937,144 would take you about one thousand, two hundred four 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 18944937144 cubic inches would be around 222.2 feet tall.

Recreational maths with 18944937144

• 18944937144 backwards is 44173944981
• The number of decimal digits it has is: 11
• The sum of 18944937144's digits is 54
• More coming soon!