421830144

Names of 421830144

• Cardinal: 421830144 can be written as Four hundred twenty-one million, eight hundred thirty thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 4.21830144 × 10⁸

Factors of 421830144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2989

Divisors of 421830144

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 72 93 96 124 128 144 186 192 248 256 279 288 372 384 496 512 558 576 744 768 992 1116 1152 1488 1536 1984 2232 2304 2953 2976 3968 4464 4608 5906 5952 7936 8859 8928 11812 11904 15872 17718 17856 23624 23808 26577 35436 35712 47248 47616 53154 70872 71424 91543 94496 106308 141744 142848 183086 188992 212616 274629 283488 366172 377984 425232 549258 566976 732344 755968 823887 850464 1098516 1133952 1464688 1511936 1647774 1700928 2197032 2267904 2929376 3295548 3401856 4394064 4535808 5858752 6591096 6803712 8788128 11717504 13182192 13607424 17576256 23435008 26364384 35152512 46870016 52728768 70305024 105457536 140610048 210915072 421830144
• Sum of all divisors σ(n): 1257127872
• Sum of proper divisors (its aliquot sum) s(n): 835297728
• 421830144 is an abundant number, because the sum of its proper divisors (835297728) is greater than itself. Its abundance is 413467584

Bases of 421830144

• Binary: 11001001001001001111000000000₂
• Hexadecimal: 0x19249E00
• Base-36: 6Z5A80

Squares and roots of 421830144

• 421830144 squared (421830144²) is 177940670387060736
• 421830144 cubed (421830144³) is 75060738612830366003625984
• The square root of 421830144 is 20538.5039377263
• The cube root of 421830144 is 749.9734177245

Scales and comparisons

• 421,830,144 seconds is equal to 13 years, 21 weeks, 3 days, 7 hours, 2 minutes, 24 seconds.
• To count from 1 to 421,830,144 would take you about twenty 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 421830144 cubic inches would be around 62.5 feet tall.

Recreational maths with 421830144

• 421830144 backwards is 441038124
• The number of decimal digits it has is: 9
• The sum of 421830144's digits is 27
• More coming soon!