664468812

Names of 664468812

• Cardinal: 664468812 can be written as Six hundred sixty-four million, four hundred sixty-eight thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 6.64468812 × 10⁸

Factors of 664468812

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 774

Divisors of 664468812

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 189 196 241 252 294 378 441 482 521 588 723 756 882 964 1042 1323 1446 1563 1687 1764 2084 2169 2646 2892 3126 3374 3647 4338 4689 5061 5292 6252 6507 6748 7294 8676 9378 10122 10941 11809 13014 14067 14588 15183 18756 20244 21882 23618 25529 26028 28134 30366 32823 35427 43764 45549 47236 51058 56268 60732 65646 70854 76587 91098 98469 102116 106281 125561 131292 141708 153174 182196 196938 212562 229761 251122 306348 318843 376683 393876 425124 459522 502244 637686 689283 753366 878927 919044 1130049 1275372 1378566 1506732 1757854 2260098 2636781 2757132 3390147 3515708 4520196 5273562 6152489 6780294 7910343 10547124 12304978 13560588 15820686 18457467 23731029 24609956 31641372 36914934 47462058 55372401 73829868 94924116 110744802 166117203 221489604 332234406 664468812
• Sum of all divisors σ(n): 2016131040
• Sum of proper divisors (its aliquot sum) s(n): 1351662228
• 664468812 is an abundant number, because the sum of its proper divisors (1351662228) is greater than itself. Its abundance is 687193416

Bases of 664468812

• Binary: 100111100110101111110101001100₂
• Hexadecimal: 0x279AFD4C
• Base-36: AZLVF0

Squares and roots of 664468812

• 664468812 squared (664468812²) is 441518802120691344
• 664468812 cubed (664468812³) is 293375473920798857966363328
• The square root of 664468812 is 25777.2925653567
• The cube root of 664468812 is 872.6194063775

Scales and comparisons

• 664,468,812 seconds is equal to 21 years, 6 weeks, 4 days, 14 hours, 40 minutes, 12 seconds.
• To count from 1 to 664,468,812 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 664468812 cubic inches would be around 72.7 feet tall.

Recreational maths with 664468812

• 664468812 backwards is 218864466
• The number of decimal digits it has is: 9
• The sum of 664468812's digits is 45
• More coming soon!