6645366144

Names of 6645366144

• Cardinal: 6645366144 can be written as Six billion, six hundred forty-five million, three hundred sixty-six thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 6.645366144 × 10⁹

Factors of 6645366144

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3575

Divisors of 6645366144

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 661 864 1152 1322 1728 1983 2644 2909 3456 3966 5288 5818 5949 7932 8727 10576 11636 11898 15864 17454 17847 21152 23272 23796 26181 31728 34908 35694 42304 46544 47592 52362 63456 69816 71388 78543 84608 93088 95184 104724 126912 139632 142776 157086 186176 190368 209448 253824 279264 285552 314172 372352 380736 418896 558528 571104 628344 761472 837792 1117056 1142208 1256688 1675584 1922849 2284416 2513376 3351168 3845698 5026752 5768547 7691396 10053504 11537094 15382792 17305641 23074188 30765584 34611282 46148376 51916923 61531168 69222564 92296752 103833846 123062336 138445128 184593504 207667692 246124672 276890256 369187008 415335384 553780512 738374016 830670768 1107561024 1661341536 2215122048 3322683072 6645366144
• Sum of all divisors σ(n): 19649484000
• Sum of proper divisors (its aliquot sum) s(n): 13004117856
• 6645366144 is an abundant number, because the sum of its proper divisors (13004117856) is greater than itself. Its abundance is 6358751712

Bases of 6645366144

• Binary: 110001100000110000011110110000000₂
• Hexadecimal: 0x18C183D80
• Base-36: 31WH9C0

Squares and roots of 6645366144

• 6645366144 squared (6645366144²) is 44160891187821428736
• 6645366144 cubed (6645366144³) is 293465291188416467639923113984
• The square root of 6645366144 is 81519.1152061897
• The cube root of 6645366144 is 1880.0654632403

Scales and comparisons

• 6,645,366,144 seconds is equal to 211 years, 15 weeks, 4 days, 23 hours, 2 minutes, 24 seconds.
• To count from 1 to 6,645,366,144 would take you about four hundred twenty-two 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 6645366144 cubic inches would be around 156.7 feet tall.

Recreational maths with 6645366144

• 6645366144 backwards is 4416635466
• The number of decimal digits it has is: 10
• The sum of 6645366144's digits is 45
• More coming soon!