7222940991

Names of 7222940991

• Cardinal: 7222940991 can be written as Seven billion, two hundred twenty-two million, nine hundred forty thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 7.222940991 × 10⁹

Factors of 7222940991

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4590

Divisors of 7222940991

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 19 21 27 49 57 63 81 133 147 171 189 243 343 399 441 513 567 931 1029 1197 1323 1539 1701 2793 3087 3591 3969 4561 4617 6517 8379 9261 10773 11907 13683 19551 25137 27783 31927 32319 41049 58653 75411 83349 86659 95781 123147 175959 223489 226233 259977 287343 369441 527877 606613 670467 779931 862029 1108323 1564423 1583631 1819839 2011401 2339793 2586087 4246291 4693269 5459517 6034203 7019379 7758261 12738873 14079807 16378551 18102609 21058137 29724037 38216619 42239421 49135653 54307827 89172111 114649857 126718263 147406959 267516333 343949571 380154789 802548999 1031848713 2407646997 7222940991
• Sum of all divisors σ(n): 13284544000
• Sum of proper divisors (its aliquot sum) s(n): 6061603009
• 7222940991 is a deficient number, because the sum of its proper divisors (6061603009) is less than itself. Its deficiency is 1161337982

Bases of 7222940991

• Binary: 110101110100001010101010100111111₂
• Hexadecimal: 0x1AE85553F
• Base-36: 3BGCOXR

Squares and roots of 7222940991

• 7222940991 squared (7222940991²) is 52170876559468062081
• 7222940991 cubed (7222940991³) is 376827162837782914760187662271
• The square root of 7222940991 is 84987.8873193117
• The cube root of 7222940991 is 1933.0274544391

Scales and comparisons

• 7,222,940,991 seconds is equal to 229 years, 34 weeks, 4 days, 20 hours, 29 minutes, 51 seconds.
• To count from 1 to 7,222,940,991 would take you about four hundred fifty-nine 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 7222940991 cubic inches would be around 161.1 feet tall.

Recreational maths with 7222940991

• 7222940991 backwards is 1990492227
• The number of decimal digits it has is: 10
• The sum of 7222940991's digits is 45
• More coming soon!