18068400

Names of 18068400

• Cardinal: 18068400 can be written as Eighteen million, sixty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.80684 × 10⁷

Factors of 18068400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 256

Divisors of 18068400

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 35 36 40 42 45 48 50 54 56 60 63 70 72 75 80 84 90 100 105 108 112 120 126 135 140 144 150 168 175 180 189 200 210 216 225 239 240 252 270 280 300 315 336 350 360 378 400 420 432 450 478 504 525 540 560 600 630 675 700 717 720 756 840 900 945 956 1008 1050 1080 1195 1200 1260 1350 1400 1434 1512 1575 1673 1680 1800 1890 1912 2100 2151 2160 2390 2520 2700 2800 2868 3024 3150 3346 3585 3600 3780 3824 4200 4302 4725 4780 5019 5040 5400 5736 5975 6300 6453 6692 7170 7560 8365 8400 8604 9450 9560 10038 10755 10800 11472 11950 12600 12906 13384 14340 15057 15120 16730 17208 17925 18900 19120 20076 21510 23900 25095 25200 25812 26768 28680 30114 32265 33460 34416 35850 37800 40152 41825 43020 45171 47800 50190 51624 53775 57360 60228 64530 66920 71700 75285 75600 80304 83650 86040 90342 95600 100380 103248 107550 120456 125475 129060 133840 143400 150570 161325 167300 172080 180684 200760 215100 225855 240912 250950 258120 286800 301140 322650 334600 361368 376425 401520 430200 451710 501900 516240 602280 645300 669200 722736 752850 860400 903420 1003800 1129275 1204560 1290600 1505700 1806840 2007600 2258550 2581200 3011400 3613680 4517100 6022800 9034200 18068400
• Sum of all divisors σ(n): 73804800
• Sum of proper divisors (its aliquot sum) s(n): 55736400
• 18068400 is an abundant number, because the sum of its proper divisors (55736400) is greater than itself. Its abundance is 37668000

Bases of 18068400

• Binary: 1000100111011001110110000₂
• Hexadecimal: 0x113B3B0
• Base-36: AR9O0

Squares and roots of 18068400

• 18068400 squared (18068400²) is 326467078560000
• 18068400 cubed (18068400³) is 5898737762253504000000
• The square root of 18068400 is 4250.6940609741
• The cube root of 18068400 is 262.4056803995

Scales and comparisons

• 18,068,400 seconds is equal to 29 weeks, 6 days, 3 hours.
• To count from 1 to 18,068,400 would take you about forty-four 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 18068400 cubic inches would be around 21.9 feet tall.

Recreational maths with 18068400

• 18068400 backwards is 00486081
• 18068400 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18068400's digits is 27
• More coming soon!