16850395991

Names of 16850395991

• Cardinal: 16850395991 can be written as Sixteen billion, eight hundred fifty million, three hundred ninety-five thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.6850395991 × 10¹⁰

Factors of 16850395991

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 283

Divisors of 16850395991

• Number of divisors d(n): 72
• Complete list of divisors:
  1 11 13 31 71 121 143 157 341 403 781 923 961 1573 1727 2041 2201 3751 4433 4867 8591 10153 10571 11147 12493 18997 22451 24211 28613 48763 53537 63271 68231 111683 116281 122617 137423 144911 150877 246961 266321 314743 345557 588907 695981 750541 887003 1348787 1511653 1594021 1659647 1961401 3462173 3801127 4492241 7655791 8255951 9757033 10712267 17534231 18256117 21575411 41812397 49414651 107327363 117834937 139259471 237329521 543561161 1296184307 1531854181 16850395991
• Sum of all divisors σ(n): 21033837216
• Sum of proper divisors (its aliquot sum) s(n): 4183441225
• 16850395991 is a deficient number, because the sum of its proper divisors (4183441225) is less than itself. Its deficiency is 12666954766

Bases of 16850395991

• Binary: 1111101100010111001010001101010111₂
• Hexadecimal: 0x3EC5CA357
• Base-36: 7QOAGRB

Squares and roots of 16850395991

• 16850395991 squared (16850395991²) is 283935845053508872081
• 16850395991 cubed (16850395991³) is 4784431425190843078596614227271
• The square root of 16850395991 is 129809.0751488509
• The cube root of 16850395991 is 2563.7167280893

Scales and comparisons

• 16,850,395,991 seconds is equal to 535 years, 41 weeks, 17 hours, 33 minutes, 11 seconds.
• To count from 1 to 16,850,395,991 would take you about one thousand and seventy-one 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 16850395991 cubic inches would be around 213.6 feet tall.

Recreational maths with 16850395991

• 16850395991 backwards is 19959305861
• The number of decimal digits it has is: 11
• The sum of 16850395991's digits is 56
• More coming soon!