18990740027

Names of 18990740027

• Cardinal: 18990740027 can be written as Eighteen billion, nine hundred ninety million, seven hundred forty thousand and twenty-seven.

Scientific notation

• Scientific notation: 1.8990740027 × 10¹⁰

Factors of 18990740027

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 208

Divisors of 18990740027

• Number of divisors d(n): 128
• Complete list of divisors:
  1 7 19 23 31 49 61 67 133 161 217 343 427 437 469 589 713 931 1127 1159 1273 1403 1519 1541 1891 2077 2989 3059 3283 4087 4123 4991 6517 7889 8113 8911 9821 10633 10787 13237 13547 14539 20923 21413 22981 26657 28609 28861 29279 34937 35929 39463 43493 47771 56791 62377 68747 75509 77653 92659 94001 94829 101773 126697 149891 186599 200263 202027 204953 244559 251503 276241 304451 334397 397537 436639 481229 528563 543571 648613 658007 663803 712411 826367 886879 907649 1306193 1401841 1434671 1760521 1786019 1933687 2131157 2340779 2407243 2914031 3804997 4606049 4646621 5784569 6208153 6353543 9143351 10042697 12323647 12502133 13535809 14918099 16385453 16850701 20398217 26634979 32242343 40491983 43457071 44474801 55366589 87514931 117954907 142787519 283443881 311323607 387566123 612604517 825684349 999512633 2712962861 18990740027
• Sum of all divisors σ(n): 25903104000
• Sum of proper divisors (its aliquot sum) s(n): 6912363973
• 18990740027 is a deficient number, because the sum of its proper divisors (6912363973) is less than itself. Its deficiency is 12078376054

Bases of 18990740027

• Binary: 10001101011111011111011001000111011₂
• Hexadecimal: 0x46BEFB23B
• Base-36: 8Q2LGSB

Squares and roots of 18990740027

• 18990740027 squared (18990740027²) is 360648206773099960729
• 18990740027 cubed (18990740027³) is 6848976336031681931088348399683
• The square root of 18990740027 is 137806.8939748661
• The cube root of 18990740027 is 2667.9680813101

Scales and comparisons

• 18,990,740,027 seconds is equal to 603 years, 44 weeks, 5 hours, 33 minutes, 47 seconds.
• To count from 1 to 18,990,740,027 would take you about one thousand, two hundred seven 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 18990740027 cubic inches would be around 222.3 feet tall.

Recreational maths with 18990740027

• 18990740027 backwards is 72004709981
• The number of decimal digits it has is: 11
• The sum of 18990740027's digits is 47
• More coming soon!