18228042378

Names of 18228042378

• Cardinal: 18228042378 can be written as Eighteen billion, two hundred twenty-eight million, forty-two thousand, three hundred seventy-eight.

Scientific notation

• Scientific notation: 1.8228042378 × 10¹⁰

Factors of 18228042378

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 129

Divisors of 18228042378

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 37 39 42 63 67 74 78 91 111 117 126 134 182 201 222 234 259 273 333 402 469 481 518 546 603 666 777 819 871 938 962 1206 1407 1443 1554 1638 1742 2331 2479 2613 2814 2886 3367 4221 4329 4489 4662 4958 5226 6097 6734 7437 7839 8442 8658 8978 10101 12194 13467 14874 15678 17353 18291 20202 22311 26934 30303 31423 32227 34706 36582 40401 44622 52059 54873 58357 60606 62846 64454 80802 94269 96681 104118 109746 116714 156177 166093 175071 188538 193362 225589 282807 290043 300763 312354 332186 350142 408499 451178 498279 525213 565614 580086 601526 676767 816998 902289 996558 1050426 1162651 1225497 1353534 1494837 1804578 2030301 2105341 2159209 2325302 2450994 2706867 2989674 3487953 3676491 3909919 4060602 4210682 4318418 5413734 6316023 6477627 6975906 7352982 7819838 10463859 11128231 11729757 12632046 12955254 15114463 18948069 19432881 20927718 22256462 23459514 27369433 30228926 33384693 35189271 37896138 38865762 45343389 54738866 66769386 70378542 77897617 82108299 90686778 100154079 136030167 144667003 155795234 164216598 200308158 233692851 246324897 272060334 289334006 434001009 467385702 492649794 701078553 868002018 1012669021 1302003027 1402157106 2025338042 2604006054 3038007063 6076014126 9114021189 18228042378
• Sum of all divisors σ(n): 50678234880
• Sum of proper divisors (its aliquot sum) s(n): 32450192502
• 18228042378 is an abundant number, because the sum of its proper divisors (32450192502) is greater than itself. Its abundance is 14222150124

Bases of 18228042378

• Binary: 10000111110011110011101101010001010₂
• Hexadecimal: 0x43E79DA8A
• Base-36: 8DGI7II

Squares and roots of 18228042378

• 18228042378 squared (18228042378²) is 332261528934163894884
• 18228042378 cubed (18228042378³) is 6056477229991012647943089394152
• The square root of 18228042378 is 135011.2675964491
• The cube root of 18228042378 is 2631.7623919187

Scales and comparisons

• 18,228,042,378 seconds is equal to 579 years, 30 weeks, 6 days, 17 hours, 6 minutes, 18 seconds.
• To count from 1 to 18,228,042,378 would take you about one thousand, one hundred fifty-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 18228042378 cubic inches would be around 219.3 feet tall.

Recreational maths with 18228042378

• 18228042378 backwards is 87324082281
• The number of decimal digits it has is: 11
• The sum of 18228042378's digits is 45
• More coming soon!