641424

Names of 641424

• Cardinal: 641424 can be written as Six hundred forty-one thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 6.41424 × 10⁵

Factors of 641424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 118

Divisors of 641424

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 48 56 69 83 84 92 112 138 161 166 168 184 249 276 322 332 336 368 483 498 552 581 644 664 966 996 1104 1162 1288 1328 1743 1909 1932 1992 2324 2576 3486 3818 3864 3984 4648 5727 6972 7636 7728 9296 11454 13363 13944 15272 22908 26726 27888 30544 40089 45816 53452 80178 91632 106904 160356 213808 320712 641424
• Sum of all divisors σ(n): 1999872
• Sum of proper divisors (its aliquot sum) s(n): 1358448
• 641424 is an abundant number, because the sum of its proper divisors (1358448) is greater than itself. Its abundance is 717024

Bases of 641424

• Binary: 10011100100110010000₂
• Hexadecimal: 0x9C990
• Base-36: DQXC

Squares and roots of 641424

• 641424 squared (641424²) is 411424747776
• 641424 cubed (641424³) is 263897707417473024
• The square root of 641424 is 800.8895054875
• The cube root of 641424 is 86.2412551521

Scales and comparisons

• 641,424 seconds is equal to 1 week, 10 hours, 10 minutes, 24 seconds.
• To count from 1 to 641,424 would take you about ten hours!

  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 641424 cubic inches would be around 7.2 feet tall.

Recreational maths with 641424

• 641424 backwards is 424146
• 641424 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 641424's digits is 21
• More coming soon!