420986664

Names of 420986664

• Cardinal: 420986664 can be written as Four hundred twenty million, nine hundred eighty-six thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 4.20986664 × 10⁸

Factors of 420986664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1614

Divisors of 420986664

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 23 24 28 36 42 46 56 63 69 72 84 92 126 138 161 168 184 207 252 276 322 414 483 504 529 552 644 828 966 1058 1288 1449 1579 1587 1656 1932 2116 2898 3158 3174 3703 3864 4232 4737 4761 5796 6316 6348 7406 9474 9522 11053 11109 11592 12632 12696 14211 14812 18948 19044 22106 22218 28422 29624 33159 33327 36317 37896 38088 44212 44436 56844 66318 66654 72634 88424 88872 99477 108951 113688 132636 133308 145268 198954 217902 254219 265272 266616 290536 326853 397908 435804 508438 653706 762657 795816 835291 871608 1016876 1307412 1525314 1670582 2033752 2287971 2505873 2614824 3050628 3341164 4575942 5011746 5847037 6101256 6682328 7517619 9151884 10023492 11694074 15035238 17541111 18303768 20046984 23388148 30070476 35082222 46776296 52623333 60140952 70164444 105246666 140328888 210493332 420986664
• Sum of all divisors σ(n): 1363034400
• Sum of proper divisors (its aliquot sum) s(n): 942047736
• 420986664 is an abundant number, because the sum of its proper divisors (942047736) is greater than itself. Its abundance is 521061072

Bases of 420986664

• Binary: 11001000101111011111100101000₂
• Hexadecimal: 0x1917BF28
• Base-36: 6YN7E0

Squares and roots of 420986664

• 420986664 squared (420986664²) is 177229771265848896
• 420986664 cubed (420986664³) is 74611370166692783855122944
• The square root of 420986664 is 20517.9595476745
• The cube root of 420986664 is 749.4732087413

Scales and comparisons

• 420,986,664 seconds is equal to 13 years, 20 weeks, 12 hours, 44 minutes, 24 seconds.
• To count from 1 to 420,986,664 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 420986664 cubic inches would be around 62.5 feet tall.

Recreational maths with 420986664

• 420986664 backwards is 466689024
• The number of decimal digits it has is: 9
• The sum of 420986664's digits is 45
• More coming soon!