18118100

Names of 18118100

• Cardinal: 18118100 can be written as Eighteen million, one hundred eighteen thousand, one hundred.

Scientific notation

• Scientific notation: 1.81181 × 10⁷

Factors of 18118100

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 219

Divisors of 18118100

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 11 13 14 20 22 25 26 28 35 44 50 52 55 65 70 77 91 100 110 130 140 143 154 175 181 182 220 260 275 286 308 325 350 362 364 385 455 550 572 650 700 715 724 770 905 910 1001 1100 1267 1300 1430 1540 1810 1820 1925 1991 2002 2275 2353 2534 2860 3575 3620 3850 3982 4004 4525 4550 4706 5005 5068 6335 7150 7700 7964 9050 9100 9412 9955 10010 11765 12670 13937 14300 16471 18100 19910 20020 23530 25025 25340 25883 27874 31675 32942 39820 47060 49775 50050 51766 55748 58825 63350 65884 69685 82355 99550 100100 103532 117650 126700 129415 139370 164710 181181 199100 235300 258830 278740 329420 348425 362362 411775 517660 647075 696850 724724 823550 905905 1294150 1393700 1647100 1811810 2588300 3623620 4529525 9059050 18118100
• Sum of all divisors σ(n): 53079936
• Sum of proper divisors (its aliquot sum) s(n): 34961836
• 18118100 is an abundant number, because the sum of its proper divisors (34961836) is greater than itself. Its abundance is 16843736

Bases of 18118100

• Binary: 1000101000111010111010100₂
• Hexadecimal: 0x11475D4
• Base-36: ASC0K

Squares and roots of 18118100

• 18118100 squared (18118100²) is 328265547610000
• 18118100 cubed (18118100³) is 5947548018152741000000
• The square root of 18118100 is 4256.5361504397
• The cube root of 18118100 is 262.6460562845

Scales and comparisons

• 18,118,100 seconds is equal to 29 weeks, 6 days, 16 hours, 48 minutes, 20 seconds.
• To count from 1 to 18,118,100 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 18118100 cubic inches would be around 21.9 feet tall.

Recreational maths with 18118100

• 18118100 backwards is 00181181
• 18118100 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18118100's digits is 20
• More coming soon!