221415721462613728

Names of 221415721462613728

• Cardinal: 221415721462613728 can be written as Two hundred twenty-one quadrillion, four hundred fifteen trillion, seven hundred twenty-one billion, four hundred sixty-two million, six hundred thirteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.21415721462613728 × 10¹⁷

Factors of 221415721462613728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 81591940851

Divisors of 221415721462613728

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 32 137 274 548 619 1096 1238 2192 2476 4384 4952 9904 19808 84803 169606 339212 678424 1356848 2713696 81591940093 163183880186 326367760372 652735520744 1305471041488 2610942082976 11178095792741 22356191585482 44712383170964 50505410917567 89424766341928 101010821835134 178849532683856 202021643670268 357699065367712 404043287340536 808086574681072 1616173149362144 6919241295706679 13838482591413358 27676965182826716 55353930365653432 110707860731306864 221415721462613728
• Sum of all divisors σ(n): 439803402849886320
• Sum of proper divisors (its aliquot sum) s(n): 218387681387272592
• 221415721462613728 is a deficient number, because the sum of its proper divisors (218387681387272592) is less than itself. Its deficiency is 3028040075341136

Bases of 221415721462613728

• Binary: 1100010010101000000110110011110001011101110100011011100000₂
• Hexadecimal: 0x312A06CF17746E0
• Base-36: 1OK5BM7YBMXS

Squares and roots of 221415721462613728

• 221415721462613728 squared (221415721462613728²) is 49024921710809745473247237334057984
• 221415721462613728 cubed (221415721462613728³) is 10854888410247095085331357517688595111975809346404352
• The square root of 221415721462613728 is 470548320.0082789885
• The cube root of 221415721462613728 is 604973.2214658515

Scales and comparisons

• 221,415,721,462,613,728 seconds is equal to 7,040,335,058 years, 37 weeks, 1 day, 20 hours, 15 minutes, 28 seconds.
• To count from 1 to 221,415,721,462,613,728 would take you about twenty-one billion, one hundred twenty-one million, five thousand, one hundred seventy-six 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 221415721462613728 cubic inches would be around 50414.4 feet tall.

Recreational maths with 221415721462613728

• 221415721462613728 backwards is 827316264127514122
• The number of decimal digits it has is: 18
• The sum of 221415721462613728's digits is 64
• More coming soon!