6668575749

Names of 6668575749

• Cardinal: 6668575749 can be written as Six billion, six hundred sixty-eight million, five hundred seventy-five thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 6.668575749 × 10⁹

Factors of 6668575749

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 111

Divisors of 6668575749

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 19 27 33 37 41 57 99 111 123 171 209 297 333 361 369 407 451 513 627 703 779 999 1083 1107 1221 1353 1517 1681 1881 2109 2337 3249 3663 3971 4059 4551 5043 5643 6327 7011 7733 8569 9747 10989 11913 12177 13357 13653 14801 15129 16687 18491 18981 21033 23199 25707 28823 31939 35739 40071 40959 44403 45387 50061 55473 62197 69597 77121 86469 95817 107217 120213 133209 146927 150183 162811 166419 186591 208791 231363 259407 287451 317053 351329 360639 399627 440781 450549 488433 499257 547637 559773 606841 684167 778221 862353 951159 1053987 1181743 1322343 1465299 1642911 1679319 1820523 2052501 2853477 3161961 3545229 3967029 4395897 4928733 5461569 6024007 6157503 6675251 8560431 9485883 10635687 12999173 14786199 16384707 18072021 18472509 20025753 22453117 31907061 38997519 54216063 60077259 67359351 116992557 162648189 180231777 202078053 246984287 350977671 606234159 740952861 2222858583 6668575749
• Sum of all divisors σ(n): 11973885120
• Sum of proper divisors (its aliquot sum) s(n): 5305309371
• 6668575749 is a deficient number, because the sum of its proper divisors (5305309371) is less than itself. Its deficiency is 1363266378

Bases of 6668575749

• Binary: 110001101011110100110010000000101₂
• Hexadecimal: 0x18D7A6405
• Base-36: 32AAPZ9

Squares and roots of 6668575749

• 6668575749 squared (6668575749²) is 44469902520150911001
• 6668575749 cubed (6668575749³) is 296550913506272348921525914749
• The square root of 6668575749 is 81661.3479499329
• The cube root of 6668575749 is 1882.2516921421

Scales and comparisons

• 6,668,575,749 seconds is equal to 212 years, 2 weeks, 14 hours, 9 minutes, 9 seconds.
• To count from 1 to 6,668,575,749 would take you about four hundred twenty-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 6668575749 cubic inches would be around 156.9 feet tall.

Recreational maths with 6668575749

• 6668575749 backwards is 9475758666
• The number of decimal digits it has is: 10
• The sum of 6668575749's digits is 63
• More coming soon!