18053280

Names of 18053280

• Cardinal: 18053280 can be written as Eighteen million, fifty-three thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.805328 × 10⁷

Factors of 18053280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 216

Divisors of 18053280

• 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 27 28 30 32 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 96 105 108 112 120 126 135 140 144 160 162 168 180 189 199 210 216 224 240 252 270 280 288 315 324 336 360 378 398 405 420 432 480 504 540 560 567 597 630 648 672 720 756 796 810 840 864 945 995 1008 1080 1120 1134 1194 1260 1296 1393 1440 1512 1592 1620 1680 1791 1890 1990 2016 2160 2268 2388 2520 2592 2786 2835 2985 3024 3184 3240 3360 3582 3780 3980 4179 4320 4536 4776 5040 5373 5572 5670 5970 6048 6368 6480 6965 7164 7560 7960 8358 8955 9072 9552 10080 10746 11144 11340 11940 12537 12960 13930 14328 15120 15920 16119 16716 17910 18144 19104 20895 21492 22288 22680 23880 25074 26865 27860 28656 30240 31840 32238 33432 35820 37611 41790 42984 44576 45360 47760 50148 53730 55720 57312 62685 64476 66864 71640 75222 80595 83580 85968 90720 95520 100296 107460 111440 112833 125370 128952 133728 143280 150444 161190 167160 171936 188055 200592 214920 222880 225666 250740 257904 286560 300888 322380 334320 376110 401184 429840 451332 501480 515808 564165 601776 644760 668640 752220 859680 902664 1002960 1128330 1203552 1289520 1504440 1805328 2005920 2256660 2579040 3008880 3610656 4513320 6017760 9026640 18053280
• Sum of all divisors σ(n): 73180800
• Sum of proper divisors (its aliquot sum) s(n): 55127520
• 18053280 is an abundant number, because the sum of its proper divisors (55127520) is greater than itself. Its abundance is 37074240

Bases of 18053280

• Binary: 1000100110111100010100000₂
• Hexadecimal: 0x11378A0
• Base-36: AQY00

Squares and roots of 18053280

• 18053280 squared (18053280²) is 325920918758400
• 18053280 cubed (18053280³) is 5883941604202647552000
• The square root of 18053280 is 4248.9151556603
• The cube root of 18053280 is 262.3324645251

Scales and comparisons

• 18,053,280 seconds is equal to 29 weeks, 5 days, 22 hours, 48 minutes.
• To count from 1 to 18,053,280 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 18053280 cubic inches would be around 21.9 feet tall.

Recreational maths with 18053280

• 18053280 backwards is 08235081
• 18053280 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18053280's digits is 27
• More coming soon!