28963920

Names of 28963920

• Cardinal: 28963920 can be written as Twenty-eight million, nine hundred sixty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.896392 × 10⁷

Factors of 28963920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 287

Divisors of 28963920

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 31 34 40 48 51 60 62 68 80 85 93 102 120 124 136 155 170 186 204 229 240 248 255 272 310 340 372 408 458 465 496 510 527 620 680 687 744 816 916 930 1020 1054 1145 1240 1360 1374 1488 1581 1832 1860 2040 2108 2290 2480 2635 2748 3162 3435 3664 3720 3893 4080 4216 4580 5270 5496 6324 6870 7099 7440 7786 7905 8432 9160 10540 10992 11679 12648 13740 14198 15572 15810 18320 19465 21080 21297 23358 25296 27480 28396 31144 31620 35495 38930 42160 42594 46716 54960 56792 58395 62288 63240 70990 77860 85188 93432 106485 113584 116790 120683 126480 141980 155720 170376 186864 212970 233580 241366 283960 311440 340752 362049 425940 467160 482732 567920 603415 724098 851880 934320 965464 1206830 1448196 1703760 1810245 1930928 2413660 2896392 3620490 4827320 5792784 7240980 9654640 14481960 28963920
• Sum of all divisors σ(n): 98565120
• Sum of proper divisors (its aliquot sum) s(n): 69601200
• 28963920 is an abundant number, because the sum of its proper divisors (69601200) is greater than itself. Its abundance is 40637280

Bases of 28963920

• Binary: 1101110011111010001010000₂
• Hexadecimal: 0x1B9F450
• Base-36: H8SPC

Squares and roots of 28963920

• 28963920 squared (28963920²) is 838908661766400
• 28963920 cubed (28963920³) is 24298083366709068288000
• The square root of 28963920 is 5381.8138206371
• The cube root of 28963920 is 307.1042168291

Scales and comparisons

• 28,963,920 seconds is equal to 47 weeks, 6 days, 5 hours, 32 minutes.
• To count from 1 to 28,963,920 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 28963920 cubic inches would be around 25.6 feet tall.

Recreational maths with 28963920

• 28963920 backwards is 02936982
• The number of decimal digits it has is: 8
• The sum of 28963920's digits is 39
• More coming soon!