18038439810699425

Names of 18038439810699425

• Cardinal: 18038439810699425 can be written as Eighteen quadrillion, thirty-eight trillion, four hundred thirty-nine billion, eight hundred ten million, six hundred ninety-nine thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.8038439810699425 × 10¹⁶

Factors of 18038439810699425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 795

Divisors of 18038439810699425

• Number of divisors d(n): 324
• Complete list of divisors:
  1 5 13 17 25 41 65 85 169 205 221 289 325 425 533 697 719 845 1025 1105 1445 1681 2665 2873 3485 3595 3757 4225 4913 5525 6929 7225 8405 9061 9347 11849 12223 13325 14365 17425 17975 18785 21853 24565 28577 29479 34645 42025 45305 46735 48841 59245 61115 63869 71825 93925 109265 117793 121511 122825 142885 147395 154037 158899 173225 201433 207791 226525 233675 244205 284089 296225 305575 319345 371501 383227 485809 501143 516961 546325 588965 607555 714425 736975 770185 794495 830297 1007165 1038955 1208639 1221025 1420445 1596725 1857505 1916135 2002481 2065687 2429045 2505715 2584805 2618629 2701283 2944825 3037775 3532447 3850925 3972475 4151485 4829513 4981951 5035825 5194775 6043195 6315517 6514859 6720493 7102225 8258753 8519431 8788337 9287525 9580675 10012405 10328435 12145225 12528575 12924025 13093145 13506415 15712307 17662235 20546863 20757425 21195401 24147565 24909755 30215975 31577585 32574295 33602465 34042177 35116679 41293765 42597155 43941685 45921811 50062025 51642175 65465725 67532075 78561535 82101721 84693167 87366409 88311175 102734315 105977005 107363789 110752603 114248381 120737825 124548775 144830327 149401729 157887925 162871475 168012325 170210885 175583395 204259991 206468825 212985775 219708425 229609055 267109219 275540213 349296671 360321817 392807675 410508605 423465835 436832045 513671575 529885025 536818945 553763015 571241905 596983543 724151635 747008645 851054425 869011441 877916975 1021299955 1148045275 1335546095 1377701065 1395729257 1439783839 1485228953 1746483355 1801609085 1882794251 1942222477 2052543025 2117329175 2184160225 2539829393 2684094725 2768815075 2856209525 2984917715 3472419847 3582022769 3620758175 3735043225 4345057205 4540856723 4684183621 5106499775 5938043407 6125470889 6677730475 6888505325 6978646285 7198919195 7426144765 8732416775 9008045425 9413971255 9711112385 11297148733 12699146965 14773194497 14924588575 17362099235 17910113845 21725286025 22704283615 23420918105 24476325263 25248892201 29690217035 30627354445 33017782109 34893231425 35994595975 37130723825 47069856275 48555561925 56485743665 59031137399 60894387073 63495734825 73865972485 77194564291 79631121557 86810496175 89550569225 104133005113 113521418075 117104590525 122381626315 126244461005 146862933529 148451085175 153136772225 165088910545 192051528461 251144306449 282428718325 295155686995 304471935365 369329862425 385972821455 398155607785 429231167417 520665025565 611908131575 631222305025 734314667645 825444552725 960257642305 1003529335783 1035204580241 1255721532245 1353729066469 1475778434975 1522359676825 1929864107275 1990778038925 2146155837085 2496669869993 2603325127825 3264875983837 3671573338225 4269453209633 4801288211525 5017646678915 5176022901205 6278607661225 6768645332345 10730779185425 12483349349965 16324379919185 17598477864097 21347266048165 25088233394575 25880114506025 33843226661725 42443387789881 55502891725229 62416746749825 81621899595925 87992389320485 106736330240825 212216938949405 277514458626145 439961946602425 721537592427977 1061084694747025 1387572293130725 3607687962139885 18038439810699425
• Sum of all divisors σ(n): 26413794199380780
• Sum of proper divisors (its aliquot sum) s(n): 8375354388681355
• 18038439810699425 is a deficient number, because the sum of its proper divisors (8375354388681355) is less than itself. Its deficiency is 9663085422018070

Bases of 18038439810699425

• Binary: 1000000000101011101110110001101001110000001000010100001₂
• Hexadecimal: 0x4015DD8D3810A1
• Base-36: 4XM3CUKKQSH

Squares and roots of 18038439810699425

• 18038439810699425 squared (18038439810699425²) is 325385310804225907628707695330625
• 18038439810699425 cubed (18038439810699425³) is 5869443344227754349412309295748505991987872390625
• The square root of 18038439810699425 is 134307258.9650292319
• The cube root of 18038439810699425 is 262260.5638206505

Scales and comparisons

• 18,038,439,810,699,425 seconds is equal to 573,566,589 years, 21 weeks, 6 days, 18 hours, 17 minutes, 5 seconds.
• To count from 1 to 18,038,439,810,699,425 would take you about one billion, seven hundred twenty million, six hundred ninety-nine thousand, seven hundred sixty-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 18038439810699425 cubic inches would be around 21855 feet tall.

Recreational maths with 18038439810699425

• 18038439810699425 backwards is 52499601893483081
• The number of decimal digits it has is: 17
• The sum of 18038439810699425's digits is 80
• More coming soon!