40161518985081

Names of 40161518985081

• Cardinal: 40161518985081 can be written as Forty trillion, one hundred sixty-one billion, five hundred eighteen million, nine hundred eighty-five thousand and eighty-one.

Scientific notation

• Scientific notation: 4.0161518985081 × 10¹³

Factors of 40161518985081

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 10286

Divisors of 40161518985081

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 13 39 79 237 643 1027 1929 3081 3187 6361 8359 9561 19083 25077 41431 50797 82693 124293 152391 248079 251773 502519 660361 755319 1507557 1981083 2049241 3273049 4090123 6147723 6532747 9819147 12270369 19598241 20272507 26640133 53171599 60817521 79920399 159514797 161890039 263542591 323119717 485670117 790627773 969359151 1601528053 2104570507 4200556321 4804584159 6313711521 12601668963 13035222001 20819864689 39105666003 62459594067 169457886013 508373658039 1029782538079 3089347614237 13387172995027 40161518985081
• Sum of all divisors σ(n): 58516165406720
• Sum of proper divisors (its aliquot sum) s(n): 18354646421639
• 40161518985081 is a deficient number, because the sum of its proper divisors (18354646421639) is less than itself. Its deficiency is 21806872563442

Bases of 40161518985081

• Binary: 1001001000011011010101000100101001111101111001₂
• Hexadecimal: 0x2486D5129F79
• Base-36: E8HY3GPDL

Squares and roots of 40161518985081

• 40161518985081 squared (40161518985081²) is 1612947607189021596300576561
• 40161518985081 cubed (40161518985081³) is 64778425948062862079582922070347857286441
• The square root of 40161518985081 is 6337311.6528289029
• The cube root of 40161518985081 is 34245.4893763545

Scales and comparisons

• 40,161,518,985,081 seconds is equal to 1,277,012 years, 3 weeks, 6 days, 15 hours, 51 minutes, 21 seconds.
• To count from 1 to 40,161,518,985,081 would take you about three million, one hundred ninety-two thousand, five hundred thirty 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 40161518985081 cubic inches would be around 2853.8 feet tall.

Recreational maths with 40161518985081

• 40161518985081 backwards is 18058981516104
• The number of decimal digits it has is: 14
• The sum of 40161518985081's digits is 57
• More coming soon!