18040391180

Names of 18040391180

• Cardinal: 18040391180 can be written as Eighteen billion, forty million, three hundred ninety-one thousand, one hundred eighty.

Scientific notation

• Scientific notation: 1.804039118 × 10¹⁰

Factors of 18040391180

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9761

Divisors of 18040391180

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 37 70 74 140 148 185 259 370 373 518 740 746 1036 1295 1492 1865 2590 2611 3730 5180 5222 7460 9337 10444 13055 13801 18674 26110 27602 37348 46685 52220 55204 65359 69005 93370 96607 130718 138010 186740 193214 261436 276020 326795 345469 386428 483035 653590 690938 966070 1307180 1381876 1727345 1932140 2418283 3454690 3482701 4836566 6909380 6965402 9673132 12091415 13930804 17413505 24182830 24378907 34827010 48365660 48757814 69654020 97515628 121894535 128859937 243789070 257719874 487578140 515439748 644299685 902019559 1288599370 1804039118 2577198740 3608078236 4510097795 9020195590 18040391180
• Sum of all divisors σ(n): 44591116416
• Sum of proper divisors (its aliquot sum) s(n): 26550725236
• 18040391180 is an abundant number, because the sum of its proper divisors (26550725236) is greater than itself. Its abundance is 8510334056

Bases of 18040391180

• Binary: 10000110011010010101000011000001100₂
• Hexadecimal: 0x4334A860C
• Base-36: 8ACS6X8

Squares and roots of 18040391180

• 18040391180 squared (18040391180²) is 325455713927421792400
• 18040391180 cubed (18040391180³) is 5871348391016863263752751032000
• The square root of 18040391180 is 134314.5233398087
• The cube root of 18040391180 is 2622.7002045447

Scales and comparisons

• 18,040,391,180 seconds is equal to 573 years, 32 weeks, 4 days, 19 hours, 46 minutes, 20 seconds.
• To count from 1 to 18,040,391,180 would take you about one thousand, one hundred forty-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 18040391180 cubic inches would be around 218.6 feet tall.

Recreational maths with 18040391180

• 18040391180 backwards is 08119304081
• 18040391180 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18040391180's digits is 35
• More coming soon!