166542984710816018

Names of 166542984710816018

• Cardinal: 166542984710816018 can be written as One hundred sixty-six quadrillion, five hundred forty-two trillion, nine hundred eighty-four billion, seven hundred ten million, eight hundred sixteen thousand and eighteen.

Scientific notation

• Scientific notation: 1.66542984710816018 × 10¹⁷

Factors of 166542984710816018

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 383

Divisors of 166542984710816018

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 61 122 127 193 254 386 3721 7442 7747 11773 15494 16129 23546 24511 32258 37249 49022 74498 472567 718153 945134 983869 1436306 1495171 1967738 2272189 2990342 3112897 4544378 4730623 6225794 7189057 9461246 14378114 60016009 91205431 120032018 138603529 182410862 189886717 277207058 288568003 379773434 438532477 577136006 600789121 877064954 913010239 1201578242 1387488001 1826020478 2774976002 11583089737 17602648183 23166179474 26750481097 35205296366 36648136381 53500962194 55693624579 73296272762 84636768061 111387249158 115952300353 169273536122 176210976127 231904600706 352421952254 2235536319241 3397311099319 4471072638482 5162842851721 6794622198638 7073090321533 10325685703442 10748869543747 14146180643066 21497739087494 22378793968129 44757587936258 431458509613513 655681042168567 862917019227026 1311362084337134 1365106432055869 2730212864111738 83271492355408009 166542984710816018
• Sum of all divisors σ(n): 257325791971649193
• Sum of proper divisors (its aliquot sum) s(n): 90782807260833175
• 166542984710816018 is a deficient number, because the sum of its proper divisors (90782807260833175) is less than itself. Its deficiency is 75760177449982843

Bases of 166542984710816018

• Binary: 1001001111101011011111011001010011100001011000000100010010₂
• Hexadecimal: 0x24FADF653858112
• Base-36: 19JUK6YKDQ1E

Squares and roots of 166542984710816018

• 166542984710816018 squared (166542984710816018²) is 27736565756387097930694835445376324
• 166542984710816018 cubed (166542984710816018³) is 4619330446696519572428378106134484906358471137157832
• The square root of 166542984710816018 is 408096783.5095199791
• The cube root of 166542984710816018 is 550185.0448549229

Scales and comparisons

• 166,542,984,710,816,018 seconds is equal to 5,295,551,762 years, 27 weeks, 3 days, 8 hours, 53 minutes, 38 seconds.
• To count from 1 to 166,542,984,710,816,018 would take you about fifteen billion, eight hundred eighty-six million, six hundred fifty-five thousand, two hundred eighty-seven 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 166542984710816018 cubic inches would be around 45848.8 feet tall.

Recreational maths with 166542984710816018

• 166542984710816018 backwards is 810618017489245661
• The number of decimal digits it has is: 18
• The sum of 166542984710816018's digits is 77
• More coming soon!