18388222125

Names of 18388222125

• Cardinal: 18388222125 can be written as Eighteen billion, three hundred eighty-eight million, two hundred twenty-two thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.8388222125 × 10¹⁰

Factors of 18388222125

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1167

Divisors of 18388222125

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 13 15 17 21 25 29 35 39 51 65 75 85 87 91 105 119 125 145 175 195 203 221 255 273 325 357 375 377 425 435 455 493 525 595 609 663 725 875 975 1015 1093 1105 1131 1275 1365 1479 1547 1625 1785 1885 2125 2175 2275 2465 2625 2639 2975 3045 3279 3315 3451 3625 4641 4875 5075 5465 5525 5655 6375 6409 6825 7395 7651 7735 7917 8925 9425 10353 10875 11375 12325 13195 14209 14875 15225 16395 16575 17255 18581 19227 22953 23205 25375 27325 27625 28275 31697 32045 34125 36975 38255 38675 39585 42627 44625 44863 47125 51765 55743 61625 65975 71045 76125 81975 82875 86275 92905 95091 96135 99463 114765 116025 130067 134589 136625 141375 158485 160225 184875 191275 193375 197925 213135 221879 224315 241553 258825 278715 298389 329875 355225 390201 409875 412061 431375 464525 475455 480675 497315 538849 573825 580125 650335 665637 672945 724659 792425 801125 956375 989625 1065675 1109395 1121575 1207765 1236183 1294125 1393575 1491945 1616547 1690871 1776125 1951005 2060305 2322625 2377275 2403375 2486575 2694245 2869125 2884427 3251675 3328185 3364725 3623295 3771943 3962125 5072613 5328375 5546975 5607875 6038825 6180915 6967875 7005037 7459725 8082735 8454355 8653281 9755025 10301525 11315829 11886375 12432875 13471225 14422135 16258375 16640925 16823625 18116475 18859715 21015111 25363065 27734875 30194125 30904575 35025185 37298625 40413675 42271775 43266405 48775125 49035259 51507625 56579145 67356125 72110675 83204625 90582375 94298575 105075555 126815325 147105777 154522875 175125925 202068375 211358875 216332025 245176295 282895725 360553375 471492875 525377775 634076625 735528885 875629625 1081660125 1225881475 1414478625 2626888875 3677644425 6129407375 18388222125
• Sum of all divisors σ(n): 41287034880
• Sum of proper divisors (its aliquot sum) s(n): 22898812755
• 18388222125 is an abundant number, because the sum of its proper divisors (22898812755) is greater than itself. Its abundance is 4510590630

Bases of 18388222125

• Binary: 10001001000000001100000000010101101₂
• Hexadecimal: 0x4480600AD
• Base-36: 8G3VEZX

Squares and roots of 18388222125

• 18388222125 squared (18388222125²) is 338126712918339515625
• 18388222125 cubed (18388222125³) is 6217549103538533999477408203125
• The square root of 18388222125 is 135603.1788897295
• The cube root of 18388222125 is 2639.4488310747

Scales and comparisons

• 18,388,222,125 seconds is equal to 584 years, 35 weeks, 5 days, 15 hours, 28 minutes, 45 seconds.
• To count from 1 to 18,388,222,125 would take you about one thousand, one hundred sixty-nine 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 18388222125 cubic inches would be around 220 feet tall.

Recreational maths with 18388222125

• 18388222125 backwards is 52122288381
• The number of decimal digits it has is: 11
• The sum of 18388222125's digits is 42
• More coming soon!