18402071422

Names of 18402071422

• Cardinal: 18402071422 can be written as Eighteen billion, four hundred two million, seventy-one thousand, four hundred twenty-two.

Scientific notation

• Scientific notation: 1.8402071422 × 10¹⁰

Factors of 18402071422

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3028

Divisors of 18402071422

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 49 61 98 122 157 314 343 427 686 854 1099 2198 2801 2989 5602 5978 7693 9577 15386 19154 19607 20923 39214 41846 53851 67039 107702 134078 137249 170861 274498 341722 439757 469273 879514 938546 960743 1196027 1921486 2392054 3078299 3284911 6156598 6569822 8372189 16744378 21548093 26825177 43096186 53650354 58605323 117210646 150836651 187776239 301673302 375552478 1314433673 2628867346 9201035711 18402071422
• Sum of all divisors σ(n): 32938070400
• Sum of proper divisors (its aliquot sum) s(n): 14535998978
• 18402071422 is a deficient number, because the sum of its proper divisors (14535998978) is less than itself. Its deficiency is 3866072444

Bases of 18402071422

• Binary: 10001001000110110010101001101111110₂
• Hexadecimal: 0x448D9537E
• Base-36: 8GC496M

Squares and roots of 18402071422

• 18402071422 squared (18402071422²) is 338636232620389102084
• 18402071422 cubed (18402071422³) is 6231608138757406469980217043448
• The square root of 18402071422 is 135654.2348104179
• The cube root of 18402071422 is 2640.1113083425

Scales and comparisons

• 18,402,071,422 seconds is equal to 585 years, 6 weeks, 4 days, 22 hours, 30 minutes, 22 seconds.
• To count from 1 to 18,402,071,422 would take you about one thousand, one hundred seventy 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 18402071422 cubic inches would be around 220 feet tall.

Recreational maths with 18402071422

• 18402071422 backwards is 22417020481
• The number of decimal digits it has is: 11
• The sum of 18402071422's digits is 31
• More coming soon!