18129300

Names of 18129300

• Cardinal: 18129300 can be written as Eighteen million, one hundred twenty-nine thousand, three hundred.

Scientific notation

• Scientific notation: 1.81293 × 10⁷

Factors of 18129300

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 203

Divisors of 18129300

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 89 97 100 105 140 150 175 178 194 210 267 291 300 350 356 388 420 445 485 525 534 582 623 679 700 890 970 1050 1068 1164 1246 1335 1358 1455 1780 1869 1940 2037 2100 2225 2425 2492 2670 2716 2910 3115 3395 3738 4074 4450 4850 5340 5820 6230 6675 6790 7275 7476 8148 8633 8900 9345 9700 10185 12460 13350 13580 14550 15575 16975 17266 18690 20370 25899 26700 29100 31150 33950 34532 37380 40740 43165 46725 50925 51798 60431 62300 67900 86330 93450 101850 103596 120862 129495 172660 181293 186900 203700 215825 241724 258990 302155 362586 431650 517980 604310 647475 725172 863300 906465 1208620 1294950 1510775 1812930 2589900 3021550 3625860 4532325 6043100 9064650 18129300
• Sum of all divisors σ(n): 61246080
• Sum of proper divisors (its aliquot sum) s(n): 43116780
• 18129300 is an abundant number, because the sum of its proper divisors (43116780) is greater than itself. Its abundance is 24987480

Bases of 18129300

• Binary: 1000101001010000110010100₂
• Hexadecimal: 0x114A194
• Base-36: ASKNO

Squares and roots of 18129300

• 18129300 squared (18129300²) is 328671518490000
• 18129300 cubed (18129300³) is 5958584560160757000000
• The square root of 18129300 is 4257.8515709217
• The cube root of 18129300 is 262.7001647893

Scales and comparisons

• 18,129,300 seconds is equal to 29 weeks, 6 days, 19 hours, 55 minutes.
• To count from 1 to 18,129,300 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 18129300 cubic inches would be around 21.9 feet tall.

Recreational maths with 18129300

• 18129300 backwards is 00392181
• The number of decimal digits it has is: 8
• The sum of 18129300's digits is 24
• More coming soon!