1218461373125389

Names of 1218461373125389

• Cardinal: 1218461373125389 can be written as One quadrillion, two hundred eighteen trillion, four hundred sixty-one billion, three hundred seventy-three million, one hundred twenty-five thousand, three hundred eighty-nine.

Scientific notation

• Scientific notation: 1.218461373125389 × 10¹⁵

Factors of 1218461373125389

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 180033

Divisors of 1218461373125389

• Number of divisors d(n): 32
• Complete list of divisors:
  1 41 131 311 4159 5371 12751 40741 170519 175391 544829 1293449 1670381 7191031 22337989 22976221 53031409 54546601 169441819 729451169 942025061 2236410641 6947114579 7145604731 29907497929 95558103139 226859313559 292969793971 3917882228699 9301231855919 29718570076229 1218461373125389
• Sum of all divisors σ(n): 1262062686044160
• Sum of proper divisors (its aliquot sum) s(n): 43601312918771
• 1218461373125389 is a deficient number, because the sum of its proper divisors (43601312918771) is less than itself. Its deficiency is 1174860060206618

Bases of 1218461373125389

• Binary: 100010101000010111100100101010100010101001100001101₂
• Hexadecimal: 0x4542F2551530D
• Base-36: BZWPFDTGR1

Squares and roots of 1218461373125389

• 1218461373125389 squared (1218461373125389²) is 1484648117798608435213916401321
• 1218461373125389 cubed (1218461373125389³) is 1808986384220916714302779840143842437378238869
• The square root of 1218461373125389 is 34906466.0646904931
• The cube root of 1218461373125389 is 106808.0342117855

Scales and comparisons

• 1,218,461,373,125,389 seconds is equal to 38,743,302 years, 37 weeks, 1 day, 22 hours, 49 minutes, 49 seconds.
• To count from 1 to 1,218,461,373,125,389 would take you about one hundred sixteen million, two hundred twenty-nine thousand, nine hundred eight 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 1218461373125389 cubic inches would be around 8900.7 feet tall.

Recreational maths with 1218461373125389

• 1218461373125389 backwards is 9835213731648121
• The number of decimal digits it has is: 16
• The sum of 1218461373125389's digits is 64
• More coming soon!