420738673815145

Names of 420738673815145

• Cardinal: 420738673815145 can be written as Four hundred twenty trillion, seven hundred thirty-eight billion, six hundred seventy-three million, eight hundred fifteen thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 4.20738673815145 × 10¹⁴

Factors of 420738673815145

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 223180225

Divisors of 420738673815145

• Number of divisors d(n): 32
• Complete list of divisors:
  1 5 7 35 61 305 427 883 2135 4415 6181 30905 53863 269315 377041 1885205 223179269 1115896345 1562254883 7811274415 13613935409 68069677045 95297547863 197067294527 476487739315 985336472635 1379471061689 6897355308445 12021104966147 60105524830735 84147734763029 420738673815145
• Sum of all divisors σ(n): 587136452647680
• Sum of proper divisors (its aliquot sum) s(n): 166397778832535
• 420738673815145 is a deficient number, because the sum of its proper divisors (166397778832535) is less than itself. Its deficiency is 254340894982610

Bases of 420738673815145

• Binary: 1011111101010100011011011001100100010111001101001₂
• Hexadecimal: 0x17EA8DB322E69
• Base-36: 4550OF8LM1

Squares and roots of 420738673815145

• 420738673815145 squared (420738673815145²) is 177021031643726980869631371025
• 420738673815145 cubed (420738673815145³) is 74479594091170507544610918865204813759173625
• The square root of 420738673815145 is 20511915.4106861751
• The cube root of 420738673815145 is 74932.6016028989

Scales and comparisons

• 420,738,673,815,145 seconds is equal to 13,378,188 years, 20 weeks, 4 days, 13 hours, 32 minutes, 25 seconds.
• To count from 1 to 420,738,673,815,145 would take you about thirty-three million, four hundred forty-five thousand, four hundred seventy 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 420738673815145 cubic inches would be around 6244.4 feet tall.

Recreational maths with 420738673815145

• 420738673815145 backwards is 541518376837024
• The number of decimal digits it has is: 15
• The sum of 420738673815145's digits is 64
• More coming soon!