1904400225

Names of 1904400225

• Cardinal: 1904400225 can be written as One billion, nine hundred four million, four hundred thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.904400225 × 10⁹

Factors of 1904400225

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 640

Divisors of 1904400225

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 13 15 21 25 35 39 45 63 65 75 91 105 117 175 195 225 273 281 315 325 331 455 525 585 819 843 975 993 1365 1405 1575 1655 1967 2275 2317 2529 2925 2979 3653 4095 4215 4303 4965 5901 6825 6951 7025 8275 9835 10959 11585 12645 12909 14895 17703 18265 20475 20853 21075 21515 24825 25571 29505 30121 32877 34755 38727 49175 54795 57925 63225 64545 74475 76713 88515 90363 91325 93011 104265 107575 127855 147525 150605 164385 173775 193635 230139 271089 273975 279033 322725 383565 442575 451815 465055 521325 639275 651077 753025 821925 837099 968175 1150695 1209143 1355445 1395165 1917825 1953231 2259075 2325275 3255385 3627429 4185495 5753475 5859693 6045715 6777225 6975825 8464001 9766155 10882287 16276925 18137145 20927475 25392003 29298465 30228575 42320005 48830775 54411435 76176009 90685725 126960015 146492325 211600025 272057175 380880045 634800075 1904400225
• Sum of all divisors σ(n): 4225812864
• Sum of proper divisors (its aliquot sum) s(n): 2321412639
• 1904400225 is an abundant number, because the sum of its proper divisors (2321412639) is greater than itself. Its abundance is 417012414

Bases of 1904400225

• Binary: 1110001100000101101011101100001₂
• Hexadecimal: 0x7182D761
• Base-36: VHTWM9

Squares and roots of 1904400225

• 1904400225 squared (1904400225²) is 3626740216980050625
• 1904400225 cubed (1904400225³) is 6906764885233357230761390625
• The square root of 1904400225 is 43639.4342882673
• The cube root of 1904400225 is 1239.5177245659

Scales and comparisons

• 1,904,400,225 seconds is equal to 60 years, 28 weeks, 5 days, 16 hours, 3 minutes, 45 seconds.
• To count from 1 to 1,904,400,225 would take you about one hundred twenty-one 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 1904400225 cubic inches would be around 103.3 feet tall.

Recreational maths with 1904400225

• 1904400225 backwards is 5220044091
• The number of decimal digits it has is: 10
• The sum of 1904400225's digits is 27
• More coming soon!