28240800

Names of 28240800

• Cardinal: 28240800 can be written as Twenty-eight million, two hundred forty thousand, eight hundred.

Scientific notation

• Scientific notation: 2.82408 × 10⁷

Factors of 28240800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 58

Divisors of 28240800

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 41 42 48 50 56 60 70 75 80 82 84 96 100 105 112 120 123 140 150 160 164 168 175 200 205 210 224 240 246 280 287 300 328 336 350 400 410 420 480 492 525 560 574 600 615 656 672 700 800 820 840 861 984 1025 1050 1120 1148 1200 1230 1312 1400 1435 1640 1680 1681 1722 1968 2050 2100 2296 2400 2460 2800 2870 3075 3280 3360 3362 3444 3936 4100 4200 4305 4592 4920 5043 5600 5740 6150 6560 6724 6888 7175 8200 8400 8405 8610 9184 9840 10086 11480 11767 12300 13448 13776 14350 16400 16800 16810 17220 19680 20172 21525 22960 23534 24600 25215 26896 27552 28700 32800 33620 34440 35301 40344 42025 43050 45920 47068 49200 50430 53792 57400 58835 67240 68880 70602 80688 84050 86100 94136 98400 100860 114800 117670 126075 134480 137760 141204 161376 168100 172200 176505 188272 201720 229600 235340 252150 268960 282408 294175 336200 344400 353010 376544 403440 470680 504300 564816 588350 672400 688800 706020 806880 882525 941360 1008600 1129632 1176700 1344800 1412040 1765050 1882720 2017200 2353400 2824080 3530100 4034400 4706800 5648160 7060200 9413600 14120400 28240800
• Sum of all divisors σ(n): 107680608
• Sum of proper divisors (its aliquot sum) s(n): 79439808
• 28240800 is an abundant number, because the sum of its proper divisors (79439808) is greater than itself. Its abundance is 51199008

Bases of 28240800

• Binary: 1101011101110101110100000₂
• Hexadecimal: 0x1AEEBA0
• Base-36: GTAQO

Squares and roots of 28240800

• 28240800 squared (28240800²) is 797542784640000
• 28240800 cubed (28240800³) is 22523246272461312000000
• The square root of 28240800 is 5314.2073726945
• The cube root of 28240800 is 304.5269024793

Scales and comparisons

• 28,240,800 seconds is equal to 46 weeks, 4 days, 20 hours, 40 minutes.
• To count from 1 to 28,240,800 would take you about eighteen 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 28240800 cubic inches would be around 25.4 feet tall.

Recreational maths with 28240800

• 28240800 backwards is 00804282
• 28240800 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28240800's digits is 24
• More coming soon!