664915640832

Names of 664915640832

• Cardinal: 664915640832 can be written as Six hundred sixty-four billion, nine hundred fifteen million, six hundred forty thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 6.64915640832 × 10¹¹

Factors of 664915640832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 21623

Divisors of 664915640832

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 512 576 648 768 769 864 1152 1296 1536 1538 1728 2304 2307 2592 3076 3456 4608 4614 5184 6152 6912 6921 9228 10368 12304 13824 13842 18456 20736 20763 20849 24608 27684 36912 41472 41526 41698 49216 55368 62289 62547 73824 83052 83396 98432 110736 124578 125094 147648 166104 166792 187641 196864 221472 249156 250188 295296 332208 333584 375282 393728 442944 498312 500376 562923 590592 664416 667168 750564 885888 996624 1000752 1125846 1181184 1328832 1334336 1501128 1688769 1771776 1993248 2001504 2251692 2657664 2668672 3002256 3377538 3543552 3986496 4003008 4503384 5315328 5337344 6004512 6755076 7972992 8006016 9006768 10630656 10674688 12009024 13510152 15945984 16012032 16032881 18013536 24018048 27020304 31891968 32024064 32065762 36027072 48036096 48098643 54040608 64131524 72054144 96072192 96197286 108081216 128263048 144108288 144295929 192394572 216162432 256526096 288216576 288591858 384789144 432324864 432887787 513052192 577183716 769578288 864649728 865775574 1026104384 1154367432 1298663361 1539156576 1731551148 2052208768 2308734864 2597326722 3078313152 3463102296 4104417536 4617469728 5194653444 6156626304 6926204592 8208835072 9234939456 10389306888 12313252608 13852409184 18469878912 20778613776 24626505216 27704818368 36939757824 41557227552 55409636736 73879515648 83114455104 110819273472 166228910208 221638546944 332457820416 664915640832
• Sum of all divisors σ(n): 1987274173500
• Sum of proper divisors (its aliquot sum) s(n): 1322358532668
• 664915640832 is an abundant number, because the sum of its proper divisors (1322358532668) is greater than itself. Its abundance is 657442891836

Bases of 664915640832

• Binary: 1001101011010000000011111000001000000000₂
• Hexadecimal: 0x9AD00F8200
• Base-36: 8HGHLS00

Squares and roots of 664915640832

• 664915640832 squared (664915640832²) is 442112809423029225652224
• 664915640832 cubed (664915640832³) is 293967721997549365753213254126010368
• The square root of 664915640832 is 815423.5959499823
• The cube root of 664915640832 is 8728.1496315687

Scales and comparisons

• 664,915,640,832 seconds is equal to 21,142 years, 13 weeks, 3 days, 21 hours, 7 minutes, 12 seconds.
• To count from 1 to 664,915,640,832 would take you about forty-two thousand, two hundred eighty-four 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 664915640832 cubic inches would be around 727.3 feet tall.

Recreational maths with 664915640832

• 664915640832 backwards is 238046519466
• 664915640832 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 664915640832's digits is 54
• More coming soon!