28887040

Names of 28887040

• Cardinal: 28887040 can be written as Twenty-eight million, eight hundred eighty-seven thousand and forty.

Scientific notation

• Scientific notation: 2.888704 × 10⁷

Factors of 28887040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 58

Divisors of 28887040

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 31 32 35 40 52 56 62 64 65 70 80 91 104 112 124 128 130 140 155 160 182 208 217 224 248 256 260 280 310 320 364 403 416 434 448 455 496 512 520 560 620 640 728 806 832 868 896 910 992 1024 1040 1085 1120 1240 1280 1456 1612 1664 1736 1792 1820 1984 2015 2048 2080 2170 2240 2480 2560 2821 2912 3224 3328 3472 3584 3640 3968 4030 4160 4340 4480 4960 5120 5642 5824 6448 6656 6944 7168 7280 7936 8060 8320 8680 8960 9920 10240 11284 11648 12896 13312 13888 14105 14336 14560 15872 16120 16640 17360 17920 19840 22568 23296 25792 26624 27776 28210 29120 31744 32240 33280 34720 35840 39680 45136 46592 51584 55552 56420 58240 63488 64480 66560 69440 71680 79360 90272 93184 103168 111104 112840 116480 128960 133120 138880 158720 180544 186368 206336 222208 225680 232960 257920 277760 317440 361088 412672 444416 451360 465920 515840 555520 722176 825344 902720 931840 1031680 1111040 1444352 1805440 2063360 2222080 2888704 3610880 4126720 5777408 7221760 14443520 28887040
• Sum of all divisors σ(n): 88058880
• Sum of proper divisors (its aliquot sum) s(n): 59171840
• 28887040 is an abundant number, because the sum of its proper divisors (59171840) is greater than itself. Its abundance is 30284800

Bases of 28887040

• Binary: 1101110001100100000000000₂
• Hexadecimal: 0x1B8C800
• Base-36: H75DS

Squares and roots of 28887040

• 28887040 squared (28887040²) is 834461079961600
• 28887040 cubed (28887040³) is 24105110595293937664000
• The square root of 28887040 is 5374.6665012817
• The cube root of 28887040 is 306.8322567165

Scales and comparisons

• 28,887,040 seconds is equal to 47 weeks, 5 days, 8 hours, 10 minutes, 40 seconds.
• To count from 1 to 28,887,040 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 28887040 cubic inches would be around 25.6 feet tall.

Recreational maths with 28887040

• 28887040 backwards is 04078882
• The number of decimal digits it has is: 8
• The sum of 28887040's digits is 37
• More coming soon!