66990904000

Names of 66990904000

• Cardinal: 66990904000 can be written as Sixty-six billion, nine hundred ninety million, nine hundred four thousand.

Scientific notation

• Scientific notation: 6.6990904 × 10¹⁰

Factors of 66990904000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8540

Divisors of 66990904000

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 25 32 40 43 46 50 64 80 86 92 100 115 125 160 172 184 200 215 230 250 320 344 368 400 430 460 500 575 688 736 800 860 920 989 1000 1075 1150 1376 1472 1600 1720 1840 1978 2000 2150 2300 2752 2875 3440 3680 3956 4000 4300 4600 4945 5375 5750 6880 7360 7912 8000 8467 8600 9200 9890 10750 11500 13760 15824 16934 17200 18400 19780 21500 23000 24725 31648 33868 34400 36800 39560 42335 43000 46000 49450 63296 67736 68800 79120 84670 86000 92000 98900 123625 135472 158240 169340 172000 184000 194741 197800 211675 247250 270944 316480 338680 344000 364081 389482 395600 423350 494500 541888 677360 728162 778964 791200 846700 973705 989000 1058375 1354720 1456324 1557928 1582400 1693400 1820405 1947410 1978000 2116750 2709440 2912648 3115856 3386800 3640810 3894820 3956000 4233500 4868525 5825296 6231712 6773600 7281620 7789640 7912000 8373863 8467000 9102025 9737050 11650592 12463424 13547200 14563240 15579280 16747726 16934000 18204050 19474100 23301184 24342625 29126480 31158560 33495452 33868000 36408100 38948200 41869315 45510125 48685250 58252960 62317120 66990904 67736000 72816200 77896400 83738630 91020250 97370500 116505920 133981808 145632400 155792800 167477260 182040500 194741000 209346575 267963616 291264800 311585600 334954520 364081000 389482000 418693150 535927232 582529600 669909040 728162000 778964000 837386300 1046732875 1339818080 1456324000 1557928000 1674772600 2093465750 2679636160 2912648000 3349545200 4186931500 6699090400 8373863000 13398180800 16747726000 33495452000 66990904000
• Sum of all divisors σ(n): 177163024896
• Sum of proper divisors (its aliquot sum) s(n): 110172120896
• 66990904000 is an abundant number, because the sum of its proper divisors (110172120896) is greater than itself. Its abundance is 43181216896

Bases of 66990904000

• Binary: 111110011000111110000001001011000000₂
• Hexadecimal: 0xF98F812C0
• Base-36: URWNKCG

Squares and roots of 66990904000

• 66990904000 squared (66990904000²) is 4487781218737216000000
• 66990904000 cubed (66990904000³) is 300640520797427838283264000000000
• The square root of 66990904000 is 258826.0110576215
• The cube root of 66990904000 is 4061.3642919209

Scales and comparisons

• 66,990,904,000 seconds is equal to 2,130 years, 5 weeks, 2 days, 16 hours, 26 minutes, 40 seconds.
• To count from 1 to 66,990,904,000 would take you about four thousand, two hundred sixty 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 66990904000 cubic inches would be around 338.4 feet tall.

Recreational maths with 66990904000

• 66990904000 backwards is 00040909966
• 66990904000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 66990904000's digits is 43
• More coming soon!