129008964

Names of 129008964

• Cardinal: 129008964 can be written as One hundred twenty-nine million, eight thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 1.29008964 × 10⁸

Factors of 129008964

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1616

Divisors of 129008964

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 151 196 294 302 453 588 604 906 1057 1453 1812 2114 2906 3171 4228 4359 5812 6342 7399 8718 10171 12684 14798 17436 20342 22197 29596 30513 40684 44394 61026 71197 88788 122052 142394 213591 219403 284788 427182 438806 658209 854364 877612 1316418 1535821 2632836 3071642 4607463 6143284 9214926 10750747 18429852 21501494 32252241 43002988 64504482 129008964
• Sum of all divisors σ(n): 352728768
• Sum of proper divisors (its aliquot sum) s(n): 223719804
• 129008964 is an abundant number, because the sum of its proper divisors (223719804) is greater than itself. Its abundance is 94710840

Bases of 129008964

• Binary: 111101100001000010101000100₂
• Hexadecimal: 0x7B08544
• Base-36: 24T3YC

Squares and roots of 129008964

• 129008964 squared (129008964²) is 16643312792353296
• 129008964 cubed (129008964³) is 2147136540869445838945344
• The square root of 129008964 is 11358.2113028417
• The cube root of 129008964 is 505.2891380853

Scales and comparisons

• 129,008,964 seconds is equal to 4 years, 5 weeks, 2 days, 3 hours, 49 minutes, 24 seconds.
• To count from 1 to 129,008,964 would take you about six 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 129008964 cubic inches would be around 42.1 feet tall.

Recreational maths with 129008964

• 129008964 backwards is 469800921
• The number of decimal digits it has is: 9
• The sum of 129008964's digits is 39
• More coming soon!