664020

Names of 664020

• Cardinal: 664020 can be written as Six hundred sixty-four thousand and twenty.

Scientific notation

• Scientific notation: 6.6402 × 10⁵

Factors of 664020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 65

Divisors of 664020

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 28 30 31 34 35 36 42 45 51 60 62 63 68 70 84 85 90 93 102 105 119 124 126 140 153 155 170 180 186 204 210 217 238 252 255 279 306 310 315 340 357 372 420 434 465 476 510 527 558 595 612 620 630 651 714 765 868 930 1020 1054 1071 1085 1116 1190 1260 1302 1395 1428 1530 1581 1785 1860 1953 2108 2142 2170 2380 2604 2635 2790 3060 3162 3255 3570 3689 3906 4284 4340 4743 5270 5355 5580 6324 6510 7140 7378 7812 7905 9486 9765 10540 10710 11067 13020 14756 15810 18445 18972 19530 21420 22134 23715 31620 33201 36890 39060 44268 47430 55335 66402 73780 94860 110670 132804 166005 221340 332010 664020
• Sum of all divisors σ(n): 2515968
• Sum of proper divisors (its aliquot sum) s(n): 1851948
• 664020 is an abundant number, because the sum of its proper divisors (1851948) is greater than itself. Its abundance is 1187928

Bases of 664020

• Binary: 10100010000111010100₂
• Hexadecimal: 0xA21D4
• Base-36: E8D0

Squares and roots of 664020

• 664020 squared (664020²) is 440922560400
• 664020 cubed (664020³) is 292781398556808000
• The square root of 664020 is 814.8742234235
• The cube root of 664020 is 87.2422893381

Scales and comparisons

• 664,020 seconds is equal to 1 week, 16 hours, 27 minutes.
• To count from 1 to 664,020 would take you about sixteen 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 664020 cubic inches would be around 7.3 feet tall.

Recreational maths with 664020

• 664020 backwards is 020466
• 664020 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 664020's digits is 18
• More coming soon!