18338508743661

Names of 18338508743661

• Cardinal: 18338508743661 can be written as Eighteen trillion, three hundred thirty-eight billion, five hundred eight million, seven hundred forty-three thousand, six hundred sixty-one.

Scientific notation

• Scientific notation: 1.8338508743661 × 10¹³

Factors of 18338508743661

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1451

Divisors of 18338508743661

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 9 19 27 43 53 57 113 127 129 159 171 339 381 387 477 513 817 1007 1017 1093 1143 1161 1431 2147 2279 2413 2451 3021 3051 3279 3429 4859 5461 5989 6441 6731 6837 7239 7353 9063 9837 14351 14577 16383 17967 19323 20193 20511 20767 21717 22059 27189 29511 43053 43301 43731 46999 49149 53901 57929 57969 60579 61533 62301 65151 92321 103759 113791 123509 127889 129159 129903 131193 138811 140997 147447 161703 173787 181737 186903 257527 272669 276963 289433 311277 341373 370527 383667 387477 389709 416433 422991 521361 560709 617093 760603 772581 818007 830889 868299 892981 933831 1024119 1100651 1111581 1151001 1169127 1249299 1268973 1564083 1851279 2281809 2317743 2346671 2454021 2490947 2492667 2604897 2637409 2678943 2801493 3072357 3301953 3334743 3453003 3747897 4893013 5310887 5499227 5553837 5968873 6545977 6845427 6953229 7040013 7356983 7362063 7472841 7814691 7912227 8036829 9905859 11724767 14451457 14679039 15685643 15932661 16497681 16661511 17906619 19637931 20536281 21120039 22070949 22418523 23736681 24110487 29717577 32705929 35174301 43354371 44037117 47056929 47327993 47797983 49493043 53719857 58913793 63360117 66212847 67255569 71210043 98117787 100906853 105522903 113408587 124373563 130063113 132111351 139782677 141170787 141983979 143393949 148479129 161159571 176741379 198638541 281477011 294353361 298027217 302720559 316350269 316568709 340225761 373120689 390189339 419348031 423512361 425951937 621412651 674482649 831339079 844431033 883060083 894081651 908161677 949050807 1020677283 1119362067 1258044093 1277855811 1864237953 2023447947 2494017237 2533293099 2682244953 2724485031 2847152421 3062031849 3358086201 3774132279 5348063209 5592713859 6010655111 6070343841 7482051711 7599879297 8046734859 8541457263 12815170331 15795442501 16044189627 16778141577 18031965333 18211031523 22446155133 35747580397 38445510993 47386327503 48132568881 54095895999 107242741191 115336532979 142158982509 144397706643 162287687997 321728223573 346009598937 426476947527 679204027543 965184670719 2037612082629 6112836247887 18338508743661
• Sum of all divisors σ(n): 30343702118400
• Sum of proper divisors (its aliquot sum) s(n): 12005193374739
• 18338508743661 is a deficient number, because the sum of its proper divisors (12005193374739) is less than itself. Its deficiency is 6333315368922

Bases of 18338508743661

• Binary: 100001010110111000100010011001010001111101101₂
• Hexadecimal: 0x10ADC44CA3ED
• Base-36: 6I0LEMB59

Squares and roots of 18338508743661

• 18338508743661 squared (18338508743661²) is 336300902941330948607682921
• 18338508743661 cubed (18338508743661³) is 6167257049090686913942696680759956713781
• The square root of 18338508743661 is 4282348.5079639419
• The cube root of 18338508743661 is 26370.6806160391

Scales and comparisons

• 18,338,508,743,661 seconds is equal to 583,107 years, 44 weeks, 2 days, 14 hours, 34 minutes, 21 seconds.
• To count from 1 to 18,338,508,743,661 would take you about one million, four hundred fifty-seven thousand, seven 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 18338508743661 cubic inches would be around 2197.6 feet tall.

Recreational maths with 18338508743661

• 18338508743661 backwards is 16634780583381
• The number of decimal digits it has is: 14
• The sum of 18338508743661's digits is 63
• More coming soon!