28842240

Names of 28842240

• Cardinal: 28842240 can be written as Twenty-eight million, eight hundred forty-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.884224 × 10⁷

Factors of 28842240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 83

Divisors of 28842240

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 29 30 32 35 37 40 42 48 56 58 60 64 70 74 80 84 87 96 105 111 112 116 120 128 140 145 148 160 168 174 185 192 203 210 222 224 232 240 256 259 280 290 296 320 336 348 370 384 406 420 435 444 448 464 480 518 555 560 580 592 609 640 672 696 740 768 777 812 840 870 888 896 928 960 1015 1036 1073 1110 1120 1160 1184 1218 1280 1295 1344 1392 1480 1554 1624 1680 1740 1776 1792 1856 1920 2030 2072 2146 2220 2240 2320 2368 2436 2590 2688 2784 2960 3045 3108 3219 3248 3360 3480 3552 3712 3840 3885 4060 4144 4292 4440 4480 4640 4736 4872 5180 5365 5376 5568 5920 6090 6216 6438 6496 6720 6960 7104 7424 7511 7770 8120 8288 8584 8880 8960 9280 9472 9744 10360 10730 11136 11840 12180 12432 12876 12992 13440 13920 14208 15022 15540 16095 16240 16576 17168 17760 18560 19488 20720 21460 22272 22533 23680 24360 24864 25752 25984 26880 27840 28416 30044 31080 32190 32480 33152 34336 35520 37120 37555 38976 41440 42920 45066 47360 48720 49728 51504 51968 55680 60088 62160 64380 64960 66304 68672 71040 75110 77952 82880 85840 90132 97440 99456 103008 111360 112665 120176 124320 128760 129920 137344 142080 150220 155904 165760 171680 180264 194880 198912 206016 225330 240352 248640 257520 259840 274688 300440 331520 343360 360528 389760 412032 450660 480704 497280 515040 600880 686720 721056 779520 824064 901320 961408 994560 1030080 1201760 1373440 1442112 1802640 1922816 2060160 2403520 2884224 3605280 4120320 4807040 5768448 7210560 9614080 14421120 28842240
• Sum of all divisors σ(n): 111847680
• Sum of proper divisors (its aliquot sum) s(n): 83005440
• 28842240 is an abundant number, because the sum of its proper divisors (83005440) is greater than itself. Its abundance is 54163200

Bases of 28842240

• Binary: 1101110000001100100000000₂
• Hexadecimal: 0x1B81900
• Base-36: H66TC

Squares and roots of 28842240

• 28842240 squared (28842240²) is 831874808217600
• 28842240 cubed (28842240³) is 23993132868565991424000
• The square root of 28842240 is 5370.4971836881
• The cube root of 28842240 is 306.6735558207

Scales and comparisons

• 28,842,240 seconds is equal to 47 weeks, 4 days, 19 hours, 44 minutes.
• To count from 1 to 28,842,240 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 28842240 cubic inches would be around 25.6 feet tall.

Recreational maths with 28842240

• 28842240 backwards is 04224882
• 28842240 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28842240's digits is 30
• More coming soon!