221320028672

Names of 221320028672

• Cardinal: 221320028672 can be written as Two hundred twenty-one billion, three hundred twenty million, twenty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.21320028672 × 10¹¹

Factors of 221320028672

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1242

Divisors of 221320028672

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 128 136 256 272 289 512 544 578 1088 1156 1223 2176 2312 2446 4352 4624 4892 8704 9248 9784 18496 19568 20791 36992 39136 41582 73984 78272 83164 147968 156544 166328 313088 332656 353447 626176 665312 706894 1330624 1413788 1495729 2661248 2827576 2991458 5322496 5655152 5982916 10644992 11310304 11965832 22620608 23931664 25427393 45241216 47863328 50854786 90482432 95726656 101709572 180964864 191453312 203419144 382906624 406838288 432265681 765813248 813676576 864531362 1627353152 1729062724 3254706304 3458125448 6509412608 6916250896 13018825216 13832501792 27665003584 55330007168 110660014336 221320028672
• Sum of all divisors σ(n): 470134556133
• Sum of proper divisors (its aliquot sum) s(n): 248814527461
• 221320028672 is an abundant number, because the sum of its proper divisors (248814527461) is greater than itself. Its abundance is 27494498789

Bases of 221320028672

• Binary: 11001110000111101100111010001000000000₂
• Hexadecimal: 0x3387B3A200
• Base-36: 2TO88B28

Squares and roots of 221320028672

• 221320028672 squared (221320028672²) is 48982555091374902083584
• 221320028672 cubed (221320028672³) is 10840820497250912909040003420520448
• The square root of 221320028672 is 470446.6268047843
• The cube root of 221320028672 is 6048.8605524085

Scales and comparisons

• 221,320,028,672 seconds is equal to 7,037 years, 15 weeks, 1 day, 9 hours, 44 minutes, 32 seconds.
• To count from 1 to 221,320,028,672 would take you about fourteen thousand and seventy-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 221320028672 cubic inches would be around 504.1 feet tall.

Recreational maths with 221320028672

• 221320028672 backwards is 276820023122
• The number of decimal digits it has is: 12
• The sum of 221320028672's digits is 35
• More coming soon!