18827979821638

Names of 18827979821638

• Cardinal: 18827979821638 can be written as Eighteen trillion, eight hundred twenty-seven billion, nine hundred seventy-nine million, eight hundred twenty-one thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8827979821638 × 10¹³

Factors of 18827979821638

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 220

Divisors of 18827979821638

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 13 19 26 38 47 94 139 247 278 361 494 611 722 893 1222 1786 1807 2209 2641 3614 4418 4693 5282 6533 9386 11609 13066 16967 19321 23218 28717 33934 34333 38642 41971 50179 57434 68666 83942 84929 100358 103823 124127 169858 207646 220571 248254 251173 307051 367099 441142 502346 545623 614102 652327 734198 797449 908087 1091246 1304654 1349699 1594898 1613651 1816174 1972637 2358413 2699398 3227302 3945274 3991663 4716826 4772287 5833969 6974881 7983326 9544574 10366837 11667938 11805131 13949762 14431397 17253653 20733674 23610262 25644281 28862794 30659369 34507306 37480103 42680089 51288562 61318738 74960206 75841597 85360178 90673453 110845411 151683194 181346906 187608161 221690822 224297489 274196543 327819407 375216322 448594978 487241339 548393086 554841157 655638814 810921691 974482678 1109682314 1440990343 1621843382 2005964183 2881980686 3564555059 4011928366 4261652291 5209734317 7129110118 8523304582 10419468634 10541981983 15407512129 21083963966 26077534379 30815024258 38113319477 52155068758 67726546121 76226638954 135453092242 200297657677 400595315354 495473153201 724153070063 990946306402 1448306140126 9413989910819 18827979821638
• Sum of all divisors σ(n): 33034894925760
• Sum of proper divisors (its aliquot sum) s(n): 14206915104122
• 18827979821638 is a deficient number, because the sum of its proper divisors (14206915104122) is less than itself. Its deficiency is 4621064717516

Bases of 18827979821638

• Binary: 100010001111110111011000011001001001001000110₂
• Hexadecimal: 0x111FBB0C9246
• Base-36: 6O9GD281Y

Squares and roots of 18827979821638

• 18827979821638 squared (18827979821638²) is 354492824164007694293003044
• 18827979821638 cubed (18827979821638³) is 6674383740275404484454035082882511066072
• The square root of 18827979821638 is 4339122.0104576455
• The cube root of 18827979821638 is 26603.2425907603

Scales and comparisons

• 18,827,979,821,638 seconds is equal to 598,671 years, 27 weeks, 2 hours, 53 minutes, 58 seconds.
• To count from 1 to 18,827,979,821,638 would take you about one million, four hundred ninety-six thousand, six hundred seventy-eight 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 18827979821638 cubic inches would be around 2216.9 feet tall.

Recreational maths with 18827979821638

• 18827979821638 backwards is 83612897972881
• The number of decimal digits it has is: 14
• The sum of 18827979821638's digits is 79
• More coming soon!