18738544050

Names of 18738544050

• Cardinal: 18738544050 can be written as Eighteen billion, seven hundred thirty-eight million, five hundred forty-four thousand and fifty.

Scientific notation

• Scientific notation: 1.873854405 × 10¹⁰

Factors of 18738544050

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 249

Divisors of 18738544050

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 81 90 135 150 162 225 239 243 270 405 450 478 486 675 717 729 810 1195 1215 1350 1434 1458 2025 2151 2187 2390 2430 3585 3645 4050 4302 4374 5975 6075 6453 6561 7170 7290 10755 10935 11950 12150 12906 13122 17925 18225 19359 21510 21870 32265 32805 35850 36450 38718 53775 54675 57121 58077 64530 65610 96795 107550 109350 114242 116154 161325 164025 171363 174231 193590 285605 290385 322650 328050 342726 348462 483975 514089 522693 571210 580770 856815 871155 967950 1028178 1045386 1428025 1451925 1542267 1568079 1713630 1742310 2570445 2613465 2856050 2903850 3084534 3136158 4284075 4355775 4626801 5140890 5226930 7711335 7840395 8568150 8711550 9253602 12852225 13067325 13880403 15422670 15680790 23134005 25704450 26134650 27760806 38556675 39201975 41641209 46268010 69402015 77113350 78403950 83282418 115670025 124923627 138804030 208206045 231340050 249847254 347010075 374770881 416412090 624618135 694020150 749541762 1041030225 1249236270 1873854405 2082060450 3123090675 3747708810 6246181350 9369272025 18738544050
• Sum of all divisors σ(n): 52497532893
• Sum of proper divisors (its aliquot sum) s(n): 33758988843
• 18738544050 is an abundant number, because the sum of its proper divisors (33758988843) is greater than itself. Its abundance is 15020444793

Bases of 18738544050

• Binary: 10001011100111001110111110110110010₂
• Hexadecimal: 0x45CE77DB2
• Base-36: 8LWG14I

Squares and roots of 18738544050

• 18738544050 squared (18738544050²) is 351133033113790402500
• 18738544050 cubed (18738544050³) is 6579721808412870119713480125000
• The square root of 18738544050 is 136888.8017699037
• The cube root of 18738544050 is 2656.1052565741

Scales and comparisons

• 18,738,544,050 seconds is equal to 595 years, 43 weeks, 7 hours, 7 minutes, 30 seconds.
• To count from 1 to 18,738,544,050 would take you about one thousand, one hundred ninety-one years!

  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 18738544050 cubic inches would be around 221.3 feet tall.

Recreational maths with 18738544050

• 18738544050 backwards is 05044583781
• 18738544050 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18738544050's digits is 45
• More coming soon!