27989395742

Names of 27989395742

• Cardinal: 27989395742 can be written as Twenty-seven billion, nine hundred eighty-nine million, three hundred ninety-five thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.7989395742 × 10¹⁰

Factors of 27989395742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3039

Divisors of 27989395742

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 7 11 14 22 49 59 77 98 118 154 157 314 413 539 649 826 1078 1099 1298 1727 2198 2803 2891 3454 4543 5606 5782 7693 9086 9263 12089 15386 18526 19621 24178 30833 31801 39242 61666 63602 64841 84623 101893 129682 137347 165377 169246 203786 215831 274694 330754 431662 440071 453887 713251 880142 907774 1157639 1426502 1510817 1819147 2315278 3021634 3080497 3638294 4840781 4992757 6160994 8103473 9681562 9985514 12734029 16206946 21563479 25468058 25964189 33885467 43126958 51928378 67770934 89138203 178276406 181749323 237198269 285606079 363498646 474396538 571212158 1272245261 1999242553 2544490522 3998485106 13994697871 27989395742
• Sum of all divisors σ(n): 54546099840
• Sum of proper divisors (its aliquot sum) s(n): 26556704098
• 27989395742 is a deficient number, because the sum of its proper divisors (26556704098) is less than itself. Its deficiency is 1432691644

Bases of 27989395742

• Binary: 11010000100010011000100100100011110₂
• Hexadecimal: 0x6844C491E
• Base-36: CUW5VZ2

Squares and roots of 27989395742

• 27989395742 squared (27989395742²) is 783406274002287730564
• 27989395742 cubed (27989395742³) is 21927068229815717504106864858488
• The square root of 27989395742 is 167300.3160248061
• The cube root of 27989395742 is 3036.2055809373

Scales and comparisons

• 27,989,395,742 seconds is equal to 889 years, 50 weeks, 5 days, 8 hours, 9 minutes, 2 seconds.
• To count from 1 to 27,989,395,742 would take you about one thousand, seven hundred seventy-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 27989395742 cubic inches would be around 253 feet tall.

Recreational maths with 27989395742

• 27989395742 backwards is 24759398972
• The number of decimal digits it has is: 11
• The sum of 27989395742's digits is 65
• More coming soon!