28964040

Names of 28964040

• Cardinal: 28964040 can be written as Twenty-eight million, nine hundred sixty-four thousand and forty.

Scientific notation

• Scientific notation: 2.896404 × 10⁷

Factors of 28964040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 87

Divisors of 28964040

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 29 30 35 40 41 42 56 58 60 70 82 84 87 105 116 120 123 140 145 164 168 174 203 205 210 232 246 280 287 290 328 348 406 410 420 435 492 574 580 609 615 696 812 820 840 841 861 870 984 1015 1148 1160 1189 1218 1230 1435 1624 1640 1682 1722 1740 2030 2296 2378 2436 2460 2523 2870 3045 3364 3444 3480 3567 4060 4205 4305 4756 4872 4920 5046 5740 5887 5945 6090 6728 6888 7134 8120 8323 8410 8610 9512 10092 11480 11774 11890 12180 12615 14268 16646 16820 17220 17661 17835 20184 23548 23780 24360 24969 25230 28536 29435 33292 33640 34440 34481 35322 35670 41615 47096 47560 49938 50460 58870 66584 68962 70644 71340 83230 88305 99876 100920 103443 117740 124845 137924 141288 142680 166460 172405 176610 199752 206886 235480 241367 249690 275848 332920 344810 353220 413772 482734 499380 517215 689620 706440 724101 827544 965468 998760 1034430 1206835 1379240 1448202 1930936 2068860 2413670 2896404 3620505 4137720 4827340 5792808 7241010 9654680 14482020 28964040
• Sum of all divisors σ(n): 105356160
• Sum of proper divisors (its aliquot sum) s(n): 76392120
• 28964040 is an abundant number, because the sum of its proper divisors (76392120) is greater than itself. Its abundance is 47428080

Bases of 28964040

• Binary: 1101110011111010011001000₂
• Hexadecimal: 0x1B9F4C8
• Base-36: H8SSO

Squares and roots of 28964040

• 28964040 squared (28964040²) is 838915613121600
• 28964040 cubed (28964040³) is 24298385375078547264000
• The square root of 28964040 is 5381.8249692831
• The cube root of 28964040 is 307.1046409481

Scales and comparisons

• 28,964,040 seconds is equal to 47 weeks, 6 days, 5 hours, 34 minutes.
• To count from 1 to 28,964,040 would take you about nineteen 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 28964040 cubic inches would be around 25.6 feet tall.

Recreational maths with 28964040

• 28964040 backwards is 04046982
• The number of decimal digits it has is: 8
• The sum of 28964040's digits is 33
• More coming soon!