121618819380981

Names of 121618819380981

• Cardinal: 121618819380981 can be written as One hundred twenty-one trillion, six hundred eighteen billion, eight hundred nineteen million, three hundred eighty thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 1.21618819380981 × 10¹⁴

Factors of 121618819380981

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 865

Divisors of 121618819380981

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 13 39 43 73 129 219 559 733 949 1677 1849 2199 2847 3139 5547 9417 9529 24037 28587 31519 40807 53509 72111 79507 94557 122421 134977 160527 238521 404931 409747 537289 695617 1033591 1229241 1355317 1611867 1754701 2086851 2300887 3100773 4065951 5264103 5804011 6902661 6984757 17412033 17619121 20954271 23103427 29911531 39222097 52857363 58278631 69310281 75452143 89734593 98938141 117666291 174835893 226356429 296814423 300344551 509887261 757622203 901033653 993447361 1286195833 1529661783 1686550171 2272866609 2980342083 3858587499 4254340063 5059650513 12763020189 12914815693 21925152223 38744447079 42718236523 55306420819 65775456669 72521657353 128154709569 165919262457 217564972059 555337074799 942781545589 1666011224397 2828344636767 3118431266179 9355293798537 40539606460327 121618819380981
• Sum of all divisors σ(n): 181486779196800
• Sum of proper divisors (its aliquot sum) s(n): 59867959815819
• 121618819380981 is a deficient number, because the sum of its proper divisors (59867959815819) is less than itself. Its deficiency is 61750859565162

Bases of 121618819380981

• Binary: 11011101001110010010110100001101111011011110101₂
• Hexadecimal: 0x6E9C9686F6F5
• Base-36: 173YWWYD4L

Squares and roots of 121618819380981

• 121618819380981 squared (121618819380981²) is 14791137227623679708024522361
• 121618819380981 cubed (121618819380981³) is 1798880646925668354641504351426802212616141
• The square root of 121618819380981 is 11028092.2820305145
• The cube root of 121618819380981 is 49545.0488621789

Scales and comparisons

• 121,618,819,380,981 seconds is equal to 3,867,102 years, 13 weeks, 5 days, 7 hours, 36 minutes, 21 seconds.
• To count from 1 to 121,618,819,380,981 would take you about nine million, six hundred sixty-seven thousand, seven hundred fifty-five 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 121618819380981 cubic inches would be around 4128.8 feet tall.

Recreational maths with 121618819380981

• 121618819380981 backwards is 189083918816121
• The number of decimal digits it has is: 15
• The sum of 121618819380981's digits is 66
• More coming soon!