1220894090421015

Names of 1220894090421015

• Cardinal: 1220894090421015 can be written as One quadrillion, two hundred twenty trillion, eight hundred ninety-four billion, ninety million, four hundred twenty-one thousand and fifteen.

Scientific notation

• Scientific notation: 1.220894090421015 × 10¹⁵

Factors of 1220894090421015

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1236

Divisors of 1220894090421015

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 5 15 41 123 205 615 1187 3561 5935 17805 48667 146001 243335 730005 1408969 4226907 7044845 21134535 57767729 173303187 288838645 866515935 1672446203 5017338609 8362231015 25086693045 68570294323 205710882969 342851471615 1028554414845 1985193642961 5955580928883 9925968214805 29777904644415 81392939361401 244178818084203 406964696807005 1220894090421015
• Sum of all divisors σ(n): 2002762439315568
• Sum of proper divisors (its aliquot sum) s(n): 781868348894553
• 1220894090421015 is a deficient number, because the sum of its proper divisors (781868348894553) is less than itself. Its deficiency is 439025741526462

Bases of 1220894090421015

• Binary: 100010101100110010110001110100100010110001100010111₂
• Hexadecimal: 0x456658E916317
• Base-36: C0RR02VVH3

Squares and roots of 1220894090421015

• 1220894090421015 squared (1220894090421015²) is 1490582380024957550779953630225
• 1220894090421015 cubed (1220894090421015³) is 1819843219058162266974327780857370047879178375
• The square root of 1220894090421015 is 34941294.9162021613
• The cube root of 1220894090421015 is 106879.0694331581

Scales and comparisons

• 1,220,894,090,421,015 seconds is equal to 38,820,655 years, 31 weeks, 2 days, 3 hours, 10 minutes, 15 seconds.
• To count from 1 to 1,220,894,090,421,015 would take you about one hundred sixteen million, four hundred sixty-one thousand, nine hundred sixty-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 1220894090421015 cubic inches would be around 8906.6 feet tall.

Recreational maths with 1220894090421015

• 1220894090421015 backwards is 5101240904980221
• The number of decimal digits it has is: 16
• The sum of 1220894090421015's digits is 48
• More coming soon!