27997862438

Names of 27997862438

• Cardinal: 27997862438 can be written as Twenty-seven billion, nine hundred ninety-seven million, eight hundred sixty-two thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 2.7997862438 × 10¹⁰

Factors of 27997862438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 258

Divisors of 27997862438

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 7 13 14 26 79 91 157 158 182 314 553 1027 1099 1106 2041 2054 2198 4082 6241 7189 12403 12482 14287 14378 24649 24806 28574 43687 49298 81133 86821 87374 161239 162266 172543 173642 320437 322478 345086 567931 640874 979837 1128673 1135862 1947271 1959674 2243059 2257346 3894542 4486118 6858859 12737881 13630897 13717718 25314523 25475762 27261794 50629046 89165167 153834409 177201661 178330334 307668818 354403322 1076840863 1999847317 2153681726 3999694634 13998931219 27997862438
• Sum of all divisors σ(n): 52686495792
• Sum of proper divisors (its aliquot sum) s(n): 24688633354
• 27997862438 is a deficient number, because the sum of its proper divisors (24688633354) is less than itself. Its deficiency is 3309229084

Bases of 27997862438

• Binary: 11010000100110011010111101000100110₂
• Hexadecimal: 0x684CD7A26
• Base-36: CV17CX2

Squares and roots of 27997862438

• 27997862438 squared (27997862438²) is 783880301097171303844
• 27997862438 cubed (27997862438³) is 21946972837976622635945412611672
• The square root of 27997862438 is 167325.6179967671
• The cube root of 27997862438 is 3036.5116973235

Scales and comparisons

• 27,997,862,438 seconds is equal to 890 years, 12 weeks, 5 days, 8 hours, 38 seconds.
• To count from 1 to 27,997,862,438 would take you about one thousand, seven hundred eighty 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 27997862438 cubic inches would be around 253 feet tall.

Recreational maths with 27997862438

• 27997862438 backwards is 83426879972
• The number of decimal digits it has is: 11
• The sum of 27997862438's digits is 65
• More coming soon!