161327618356104291

Names of 161327618356104291

• Cardinal: 161327618356104291 can be written as One hundred sixty-one quadrillion, three hundred twenty-seven trillion, six hundred eighteen billion, three hundred fifty-six million, one hundred four thousand, two hundred ninety-one.

Scientific notation

• Scientific notation: 1.61327618356104291 × 10¹⁷

Factors of 161327618356104291

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 486800

Divisors of 161327618356104291

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 13 21 39 43 91 129 273 301 559 811 903 1677 1849 2433 3913 5547 5677 10543 11739 12943 17031 24037 31629 34873 38829 72111 73801 104619 168259 221403 244111 453349 485923 504777 657721 732333 1360047 1457769 1499539 1973163 3173443 3401461 4498617 4604047 6316999 8550373 9520329 10204383 10496773 13812141 18950997 19494007 20894689 25651119 28282003 31490319 44218993 58482021 59852611 62684067 84846009 132656979 136458049 146262823 179557833 197974021 271630957 367666039 394083553 409374147 438788469 593922063 814892871 898471627 1102998117 1182250659 1216126129 1901416699 2573662273 2695414881 2758584871 3648378387 5123086189 5704250097 6289301389 7720986819 8275754613 8512882903 11680131151 15369258567 15809639677 16945592779 18867904167 25538648709 35040393453 35861603323 47428919031 50836778337 81760918057 107584809969 110667477739 118619149453 220292706127 245282754171 319601761483 332002433217 355857448359 660878118381 728660489497 958805284449 1542048942889 2185981468491 2237212330381 4154822899279 4626146828667 5100623426479 6711636991143 9472586363461 12464468697837 13742875743769 15301870279437 28417759090383 29083760294953 41228627231307 66308104544227 87251280884859 96200130206383 178657384668997 198924313632681 288600390619149 535972154006991 590943656982067 1250601692682979 1772830970946201 3751805078048937 4136605598874469 7682267540766871 12409816796623407 23046802622300613 53775872785368097 161327618356104291
• Sum of all divisors σ(n): 271377926896543488
• Sum of proper divisors (its aliquot sum) s(n): 110050308540439197
• 161327618356104291 is a deficient number, because the sum of its proper divisors (110050308540439197) is less than itself. Its deficiency is 51277309815665094

Bases of 161327618356104291

• Binary: 1000111101001001101001110100111000100100110100110001100011₂
• Hexadecimal: 0x23D269D38934C63
• Base-36: 184HV8QDJYW3

Squares and roots of 161327618356104291

• 161327618356104291 squared (161327618356104291²) is 26026600444452838180027942068612681
• 161327618356104291 cubed (161327618356104291³) is 4198809463609501795335525890407857060856250121114171
• The square root of 161327618356104291 is 401656094.6333371535
• The cube root of 161327618356104291 is 544380.9353806531

Scales and comparisons

• 161,327,618,356,104,291 seconds is equal to 5,129,719,244 years, 33 weeks, 12 hours, 4 minutes, 51 seconds.
• To count from 1 to 161,327,618,356,104,291 would take you about fifteen billion, three hundred eighty-nine million, one hundred fifty-seven thousand, seven hundred thirty-three 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 161327618356104291 cubic inches would be around 45365.1 feet tall.

Recreational maths with 161327618356104291

• 161327618356104291 backwards is 192401653816723161
• The number of decimal digits it has is: 18
• The sum of 161327618356104291's digits is 66
• More coming soon!