40509744

Names of 40509744

• Cardinal: 40509744 can be written as Forty million, five hundred nine thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 4.0509744 × 10⁷

Factors of 40509744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1140

Divisors of 40509744

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 73 88 132 146 176 219 264 292 438 528 584 803 876 1051 1168 1606 1752 2102 2409 3153 3212 3504 4204 4818 6306 6424 8408 9636 11561 12612 12848 16816 19272 23122 25224 34683 38544 46244 50448 69366 76723 92488 138732 153446 184976 230169 277464 306892 460338 554928 613784 843953 920676 1227568 1687906 1841352 2531859 3375812 3682704 5063718 6751624 10127436 13503248 20254872 40509744
• Sum of all divisors σ(n): 115837824
• Sum of proper divisors (its aliquot sum) s(n): 75328080
• 40509744 is an abundant number, because the sum of its proper divisors (75328080) is greater than itself. Its abundance is 34818336

Bases of 40509744

• Binary: 10011010100010000100110000₂
• Hexadecimal: 0x26A2130
• Base-36: O49IO

Squares and roots of 40509744

• 40509744 squared (40509744²) is 1641039358945536
• 40509744 cubed (40509744³) is 66478084324807773302784
• The square root of 40509744 is 6364.7265455791
• The cube root of 40509744 is 343.4418115343

Scales and comparisons

• 40,509,744 seconds is equal to 1 year, 14 weeks, 6 days, 20 hours, 42 minutes, 24 seconds.
• To count from 1 to 40,509,744 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 40509744 cubic inches would be around 28.6 feet tall.

Recreational maths with 40509744

• 40509744 backwards is 44790504
• 40509744 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 40509744's digits is 33
• More coming soon!