74129664

Names of 74129664

• Cardinal: 74129664 can be written as Seventy-four million, one hundred twenty-nine thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 7.4129664 × 10⁷

Factors of 74129664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 13801

Divisors of 74129664

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 672 768 896 1344 1792 2688 5376 13789 27578 41367 55156 82734 96523 110312 165468 193046 220624 289569 330936 386092 441248 579138 661872 772184 882496 1158276 1323744 1544368 1764992 2316552 2647488 3088736 3529984 4633104 5294976 6177472 9266208 10589952 12354944 18532416 24709888 37064832 74129664
• Sum of all divisors σ(n): 225494080
• Sum of proper divisors (its aliquot sum) s(n): 151364416
• 74129664 is an abundant number, because the sum of its proper divisors (151364416) is greater than itself. Its abundance is 77234752

Bases of 74129664

• Binary: 100011010110010000100000000₂
• Hexadecimal: 0x46B2100
• Base-36: 184UTC

Squares and roots of 74129664

• 74129664 squared (74129664²) is 5495207084752896
• 74129664 cubed (74129664³) is 407357854803151703506944
• The square root of 74129664 is 8609.8585354233
• The cube root of 74129664 is 420.0787154051

Scales and comparisons

• 74,129,664 seconds is equal to 2 years, 18 weeks, 3 days, 23 hours, 34 minutes, 24 seconds.
• To count from 1 to 74,129,664 would take you about 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 74129664 cubic inches would be around 35 feet tall.

Recreational maths with 74129664

• 74129664 backwards is 46692147
• The number of decimal digits it has is: 8
• The sum of 74129664's digits is 39
• More coming soon!