2213838991

Names of 2213838991

• Cardinal: 2213838991 can be written as Two billion, two hundred thirteen million, eight hundred thirty-eight thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 2.213838991 × 10⁹

Factors of 2213838991

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 188

Divisors of 2213838991

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 13 17 31 53 67 91 119 169 217 221 371 403 469 527 689 871 901 1139 1183 1547 1643 2077 2821 2873 3551 3689 4823 5239 6097 6307 6851 7973 8957 11323 11501 11713 14539 14807 20111 21359 24857 27001 27931 35309 36673 46163 47957 60367 62699 79261 81991 89063 103649 110081 149513 152269 189007 192491 195517 247163 277667 323141 351013 363103 422569 459017 600119 623441 770567 784771 1065883 1347437 1431053 1871377 1943669 2457091 2541721 3213119 4200833 4720339 5493397 5967221 10017371 10202023 13099639 18603689 24327901 33042373 41770547 71414161 130225823 170295307 316262713 2213838991
• Sum of all divisors σ(n): 3096465408
• Sum of proper divisors (its aliquot sum) s(n): 882626417
• 2213838991 is a deficient number, because the sum of its proper divisors (882626417) is less than itself. Its deficiency is 1331212574

Bases of 2213838991

• Binary: 10000011111101001000000010001111₂
• Hexadecimal: 0x83F4808F
• Base-36: 10M293J

Squares and roots of 2213838991

• 2213838991 squared (2213838991²) is 4901083078071898081
• 2213838991 cubed (2213838991³) is 10850208816365865073095876271
• The square root of 2213838991 is 47051.4504664843
• The cube root of 2213838991 is 1303.3128505375

Scales and comparisons

• 2,213,838,991 seconds is equal to 70 years, 20 weeks, 3 days, 3 hours, 16 minutes, 31 seconds.
• To count from 1 to 2,213,838,991 would take you about one hundred forty 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 2213838991 cubic inches would be around 108.6 feet tall.

Recreational maths with 2213838991

• 2213838991 backwards is 1998383122
• The number of decimal digits it has is: 10
• The sum of 2213838991's digits is 46
• More coming soon!