664913480

Names of 664913480

• Cardinal: 664913480 can be written as Six hundred sixty-four million, nine hundred thirteen thousand, four hundred eighty.

Scientific notation

• Scientific notation: 6.6491348 × 10⁸

Factors of 664913480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3743

Divisors of 664913480

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 55 56 59 70 77 88 110 118 140 154 220 236 280 295 308 385 413 440 472 590 616 649 770 826 1180 1298 1540 1652 2065 2360 2596 3080 3245 3304 3659 4130 4543 5192 6490 7318 8260 9086 12980 14636 16520 18172 18295 22715 25613 25960 29272 36344 36590 40249 45430 51226 73180 80498 90860 102452 128065 146360 160996 181720 201245 204904 215881 256130 281743 321992 402490 431762 512260 563486 804980 863524 1024520 1079405 1126972 1408715 1511167 1609960 1727048 2158810 2253944 2374691 2817430 3022334 4317620 4749382 5634860 6044668 7555835 8635240 9498764 11269720 11873455 12089336 15111670 16622837 18997528 23746910 30223340 33245674 47493820 60446680 66491348 83114185 94987640 132982696 166228370 332456740 664913480
• Sum of all divisors σ(n): 1897344000
• Sum of proper divisors (its aliquot sum) s(n): 1232430520
• 664913480 is an abundant number, because the sum of its proper divisors (1232430520) is greater than itself. Its abundance is 567517040

Bases of 664913480

• Binary: 100111101000011100011001001000₂
• Hexadecimal: 0x27A1C648
• Base-36: AZVEIW

Squares and roots of 664913480

• 664913480 squared (664913480²) is 442109935885710400
• 664913480 cubed (664913480³) is 293964856012344584336192000
• The square root of 664913480 is 25785.9163110409
• The cube root of 664913480 is 872.8140176693

Scales and comparisons

• 664,913,480 seconds is equal to 21 years, 7 weeks, 2 days, 18 hours, 11 minutes, 20 seconds.
• To count from 1 to 664,913,480 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 664913480 cubic inches would be around 72.7 feet tall.

Recreational maths with 664913480

• 664913480 backwards is 084319466
• The number of decimal digits it has is: 9
• The sum of 664913480's digits is 41
• More coming soon!