18438827022490

Names of 18438827022490

• Cardinal: 18438827022490 can be written as Eighteen trillion, four hundred thirty-eight billion, eight hundred twenty-seven million, twenty-two thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.843882702249 × 10¹³

Factors of 18438827022490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5194391

Divisors of 18438827022490

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 14 35 67 70 134 335 469 670 757 938 1514 2345 3785 4690 5299 7570 10598 26495 50719 52990 101438 253595 355033 507190 710066 1775165 3550330 5193553 10387106 25967765 36354871 51935530 72709742 181774355 347968051 363548710 695936102 1739840255 2435776357 3479680510 3931519621 4871552714 7863039242 12178881785 19657598105 24357763570 27520637347 39315196210 55041274694 137603186735 263411814607 275206373470 526823629214 1317059073035 1843882702249 2634118146070 3687765404498 9219413511245 18438827022490
• Sum of all divisors σ(n): 38548302822144
• Sum of proper divisors (its aliquot sum) s(n): 20109475799654
• 18438827022490 is an abundant number, because the sum of its proper divisors (20109475799654) is greater than itself. Its abundance is 1670648777164

Bases of 18438827022490

• Binary: 100001100010100011111101111000001100010011010₂
• Hexadecimal: 0x10C51FBC189A
• Base-36: 6JAOHJ6HM

Squares and roots of 18438827022490

• 18438827022490 squared (18438827022490²) is 339990341965307438965800100
• 18438827022490 cubed (18438827022490³) is 6269023104815526659703211262823544249000
• The square root of 18438827022490 is 4294045.5310219989
• The cube root of 18438827022490 is 26418.6789212803

Scales and comparisons

• 18,438,827,022,490 seconds is equal to 586,297 years, 34 weeks, 3 days, 19 hours, 8 minutes, 10 seconds.
• To count from 1 to 18,438,827,022,490 would take you about one million, four hundred sixty-five thousand, seven hundred forty-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 18438827022490 cubic inches would be around 2201.6 feet tall.

Recreational maths with 18438827022490

• 18438827022490 backwards is 09422072883481
• The number of decimal digits it has is: 14
• The sum of 18438827022490's digits is 58
• More coming soon!