401981401485

Names of 401981401485

• Cardinal: 401981401485 can be written as Four hundred one billion, nine hundred eighty-one million, four hundred one thousand, four hundred eighty-five.

Scientific notation

• Scientific notation: 4.01981401485 × 10¹¹

Factors of 401981401485

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 444

Divisors of 401981401485

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 9 15 27 45 53 135 159 265 383 477 795 1149 1431 1915 2385 3447 5745 7155 10341 17235 20299 51705 60897 101495 146689 182691 304485 440067 548073 733445 913455 1320201 2200335 2740365 3960603 6601005 7774517 19803015 23323551 38872585 56181887 69970653 116617755 168545661 209911959 280909435 349853265 505636983 842728305 1049559795 1516910949 2528184915 2977640011 7584554745 8932920033 14888200055 26798760099 44664600165 80396280297 133993800495 401981401485
• Sum of all divisors σ(n): 730023321600
• Sum of proper divisors (its aliquot sum) s(n): 328041920115
• 401981401485 is a deficient number, because the sum of its proper divisors (328041920115) is less than itself. Its deficiency is 73939481370

Bases of 401981401485

• Binary: 101110110010111111101010110100110001101₂
• Hexadecimal: 0x5D97F5698D
• Base-36: 54O1CIH9

Squares and roots of 401981401485

• 401981401485 squared (401981401485²) is 161589047139844760205225
• 401981401485 cubed (401981401485³) is 64955791633900527492630101719759125
• The square root of 401981401485 is 634020.0324003967
• The cube root of 401981401485 is 7380.2088735581

Scales and comparisons

• 401,981,401,485 seconds is equal to 12,781 years, 39 weeks, 5 days, 12 hours, 24 minutes, 45 seconds.
• To count from 1 to 401,981,401,485 would take you about twenty-five thousand, five hundred sixty-three 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 401981401485 cubic inches would be around 615 feet tall.

Recreational maths with 401981401485

• 401981401485 backwards is 584104189104
• 401981401485 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 401981401485's digits is 45
• More coming soon!