66996716640

Names of 66996716640

• Cardinal: 66996716640 can be written as Sixty-six billion, nine hundred ninety-six million, seven hundred sixteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.699671664 × 10¹⁰

Factors of 66996716640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 43181

Divisors of 66996716640

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 467 480 560 672 840 934 1120 1401 1680 1868 2335 2802 3269 3360 3736 4670 5604 6538 7005 7472 9340 9807 11208 13076 14010 14944 16345 18680 19614 22416 26152 28020 32690 37360 39228 42697 44832 49035 52304 56040 65380 74720 78456 85394 98070 104608 112080 128091 130760 156912 170788 196140 213485 224160 256182 261520 298879 313824 341576 392280 426970 512364 523040 597758 640455 683152 784560 853940 896637 1024728 1195516 1280910 1366304 1494395 1569120 1707880 1793274 2049456 2391032 2561820 2988790 3415760 3586548 4098912 4483185 4782064 5123640 5977580 6831520 7173096 8966370 9564128 10247280 11955160 14346192 17932740 19939499 20494560 23910320 28692384 35865480 39878998 47820640 59818497 71730960 79757996 99697495 119636994 139576493 143461920 159515992 199394990 239273988 279152986 299092485 319031984 398789980 418729479 478547976 558305972 598184970 638063968 697882465 797579960 837458958 957095952 1116611944 1196369940 1395764930 1595159920 1674917916 1914191904 2093647395 2233223888 2392739880 2791529860 3190319840 3349835832 4187294790 4466447776 4785479760 5583059720 6699671664 8374589580 9570959520 11166119440 13399343328 16749179160 22332238880 33498358320 66996716640
• Sum of all divisors σ(n): 241710303744
• Sum of proper divisors (its aliquot sum) s(n): 174713587104
• 66996716640 is an abundant number, because the sum of its proper divisors (174713587104) is greater than itself. Its abundance is 107716870464

Bases of 66996716640

• Binary: 111110011001010100001100010001100000₂
• Hexadecimal: 0xF9950C460
• Base-36: US045EO

Squares and roots of 66996716640

• 66996716640 squared (66996716640²) is 4488560040540452889600
• 66996716640 cubed (66996716640³) is 300718785157715634701800402944000
• The square root of 66996716640 is 258837.2396700291
• The cube root of 66996716640 is 4061.4817534683

Scales and comparisons

• 66,996,716,640 seconds is equal to 2,130 years, 14 weeks, 6 days, 23 hours, 4 minutes.
• To count from 1 to 66,996,716,640 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 66996716640 cubic inches would be around 338.5 feet tall.

Recreational maths with 66996716640

• 66996716640 backwards is 04661769966
• 66996716640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 66996716640's digits is 60
• More coming soon!