664132240

Names of 664132240

• Cardinal: 664132240 can be written as Six hundred sixty-four million, one hundred thirty-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 6.6413224 × 10⁸

Factors of 664132240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2654

Divisors of 664132240

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 37 40 74 80 89 148 178 185 296 356 370 445 592 712 740 890 1424 1480 1780 2521 2960 3293 3560 5042 6586 7120 10084 12605 13172 16465 20168 25210 26344 32930 40336 50420 52688 65860 93277 100840 131720 186554 201680 224369 263440 373108 448738 466385 746216 897476 932770 1121845 1492432 1794952 1865540 2243690 3589904 3731080 4487380 7462160 8301653 8974760 16603306 17949520 33206612 41508265 66413224 83016530 132826448 166033060 332066120 664132240
• Sum of all divisors σ(n): 1604294640
• Sum of proper divisors (its aliquot sum) s(n): 940162400
• 664132240 is an abundant number, because the sum of its proper divisors (940162400) is greater than itself. Its abundance is 276030160

Bases of 664132240

• Binary: 100111100101011101101010010000₂
• Hexadecimal: 0x2795DA90
• Base-36: AZENPS

Squares and roots of 664132240

• 664132240 squared (664132240²) is 441071632207417600
• 664132240 cubed (664132240³) is 292929891098368395303424000
• The square root of 664132240 is 25770.7632793443
• The cube root of 664132240 is 872.4720461319

Scales and comparisons

• 664,132,240 seconds is equal to 21 years, 6 weeks, 17 hours, 10 minutes, 40 seconds.
• To count from 1 to 664,132,240 would take you about thirty-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 664132240 cubic inches would be around 72.7 feet tall.

Recreational maths with 664132240

• 664132240 backwards is 042231466
• The number of decimal digits it has is: 9
• The sum of 664132240's digits is 28
• More coming soon!