40531491

Names of 40531491

• Cardinal: 40531491 can be written as Forty million, five hundred thirty-one thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 4.0531491 × 10⁷

Factors of 40531491

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 443

Divisors of 40531491

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 11 13 21 33 39 63 77 91 99 117 121 143 231 273 363 409 429 693 819 847 1001 1089 1227 1287 1573 2541 2863 3003 3681 4499 4719 5317 7623 8589 9009 11011 13497 14157 15951 25767 31493 33033 37219 40491 47853 49489 58487 94479 99099 111657 148467 175461 283437 334971 346423 409409 445401 526383 643357 1039269 1228227 1930071 3117807 3684681 4503499 5790213 13510497 40531491
• Sum of all divisors σ(n): 79395680
• Sum of proper divisors (its aliquot sum) s(n): 38864189
• 40531491 is a deficient number, because the sum of its proper divisors (38864189) is less than itself. Its deficiency is 1667302

Bases of 40531491

• Binary: 10011010100111011000100011₂
• Hexadecimal: 0x26A7623
• Base-36: O4QAR

Squares and roots of 40531491

• 40531491 squared (40531491²) is 1642801762683081
• 40531491 cubed (40531491³) is 66585204858973433403771
• The square root of 40531491 is 6366.4347165427
• The cube root of 40531491 is 343.5032575983

Scales and comparisons

• 40,531,491 seconds is equal to 1 year, 15 weeks, 2 hours, 44 minutes, 51 seconds.
• To count from 1 to 40,531,491 would take you about forty-eight weeks!

  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 40531491 cubic inches would be around 28.6 feet tall.

Recreational maths with 40531491

• 40531491 backwards is 19413504
• The number of decimal digits it has is: 8
• The sum of 40531491's digits is 27
• More coming soon!