16121782542390385

Names of 16121782542390385

• Cardinal: 16121782542390385 can be written as Sixteen quadrillion, one hundred twenty-one trillion, seven hundred eighty-two billion, five hundred forty-two million, three hundred ninety thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 1.6121782542390385 × 10¹⁶

Factors of 16121782542390385

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2032

Divisors of 16121782542390385

• Number of divisors d(n): 112
• Complete list of divisors:
  1 5 7 35 41 49 205 245 287 343 1435 1681 1715 1979 2009 8405 9895 10045 11767 13853 14063 58835 68921 69265 70315 81139 82369 96971 344605 405695 411845 482447 484855 567973 576583 678797 2412235 2825761 2839865 2882915 3326699 3377129 3393985 3975811 14128805 16633495 16885645 19780327 19879055 23286893 23639903 27830677 98901635 115856201 116434465 118199515 136394659 138462289 139153385 163008251 579281005 681973295 692311445 810993407 815041255 954762613 969236023 1141057757 4054967035 4750104241 4773813065 4846180115 5592181019 5676953849 5705288785 6683338291 23750521205 27960905095 28384769245 33250729687 33416691455 39145267133 39738676943 46783368037 166253648435 195726335665 198693384715 229279421779 232755107809 233916840185 274016869931 1146397108895 1163775539045 1370084349655 1604955952453 1629285754663 1918118089517 8024779762265 8146428773315 9400456292939 9590590447585 11234691667171 47002281464695 56173458335855 65803194050573 78642841670197 329015970252865 393214208350985 460622358354011 2303111791770055 3224356508478077 16121782542390385
• Sum of all divisors σ(n): 23136807736944000
• Sum of proper divisors (its aliquot sum) s(n): 7015025194553615
• 16121782542390385 is a deficient number, because the sum of its proper divisors (7015025194553615) is less than itself. Its deficiency is 9106757347836770

Bases of 16121782542390385

• Binary: 111001010001101010110100000001100101011101010001110001₂
• Hexadecimal: 0x3946AD0195D471
• Base-36: 4EQP0NLNDDD

Squares and roots of 16121782542390385

• 16121782542390385 squared (16121782542390385²) is 259911872344123385919469740448225
• 16121782542390385 cubed (16121782542390385³) is 4190242686117486715695496487467637254512830316625
• The square root of 16121782542390385 is 126971581.6330189099
• The cube root of 16121782542390385 is 252621.9130517313

Scales and comparisons

• 16,121,782,542,390,385 seconds is equal to 512,622,816 years, 46 weeks, 5 days, 17 hours, 46 minutes, 25 seconds.
• To count from 1 to 16,121,782,542,390,385 would take you about one billion, five hundred thirty-seven million, eight hundred sixty-eight thousand, four hundred fifty 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 16121782542390385 cubic inches would be around 21051.8 feet tall.

Recreational maths with 16121782542390385

• 16121782542390385 backwards is 58309324528712161
• The number of decimal digits it has is: 17
• The sum of 16121782542390385's digits is 67
• More coming soon!