18005989690689

Names of 18005989690689

• Cardinal: 18005989690689 can be written as Eighteen trillion, five billion, nine hundred eighty-nine million, six hundred ninety thousand, six hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8005989690689 × 10¹³

Factors of 18005989690689

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9866

Divisors of 18005989690689

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 11 13 19 21 31 33 39 49 57 77 91 93 133 143 147 151 209 217 231 247 273 341 399 403 429 453 539 589 627 637 651 741 931 1001 1023 1057 1209 1463 1519 1617 1661 1729 1767 1911 1963 2387 2717 2793 2821 2869 3003 3171 4123 4389 4433 4557 4681 4983 5187 5889 6479 7007 7161 7399 7657 8151 8463 8607 9631 10241 11627 12103 12369 13299 13741 14043 16709 19019 19437 19747 20083 21021 21593 22197 22971 28861 28893 30723 31031 31559 32767 34881 36309 37297 41223 45353 50127 51491 53599 57057 59241 60249 60853 64779 67417 81389 84227 86583 88939 93093 94677 96187 98301 105941 111891 125203 133133 136059 140581 151151 154473 160797 182559 182989 202251 217217 220913 229369 244167 252681 261079 266817 288561 298561 317471 317823 360437 375193 375609 399399 410267 421743 425971 453453 471919 548967 589589 622573 651651 662739 669383 688107 741587 783237 876421 895683 952413 978329 1058057 1081311 1125579 1156207 1230801 1277913 1280923 1377233 1415757 1454281 1546391 1768767 1827553 1867719 2008149 2012879 2089927 2224761 2378857 2523059 2629263 2871869 2934987 2981797 3174171 3284171 3468621 3842769 3881293 4127123 4131699 4358011 4362843 4639173 4685681 5191109 5482659 5672659 6038637 6134947 6269781 6848303 7136571 7569177 8093449 8615607 8945391 8966461 9640631 9852513 10179967 11643879 12381369 12718277 13074033 14057043 14090153 14629489 15573327 15997091 16651999 17017977 18404841 18905653 20103083 20544909 22989197 24280347 26167427 26899383 27169051 27631339 28921893 30539901 32799767 38154831 39708613 42270459 42694223 43888467 45082711 47938121 47991273 49955997 56654143 56716959 60309249 62399249 67484417 68967591 71259769 73744567 78502281 81507153 82894017 89027939 98399301 98631071 111979637 116563993 119125839 128082669 132339571 135248133 143814363 160924379 169962429 183171989 187197747 190183357 193419373 202453251 207962183 213779307 221233701 267083817 277960291 295893213 298859561 303944729 315578977 335938911 349691979 359207407 397018713 436794743 482773137 495909821 516211969 549515967 570550071 580258119 586075243 623195573 623886549 783857459 811190237 833880873 856571509 896578683 911834187 926376997 946736931 1077622221 1282203923 1310384229 1353935611 1455735281 1487729463 1548635907 1758225729 1869586719 2092016927 2127613103 2209052839 2351572377 2433570711 2514451849 2569714527 2779130991 3057563201 3471368747 3613483783 3846611769 3951281477 4061806833 4102526701 4367205843 5678331659 5996000563 6276050781 6382839309 6446827673 6627158517 7543355547 9172689603 9422286599 10190146967 10414106241 10840451349 11135429617 11853844431 12307580103 14893291721 17034994977 17601162943 17988001689 19340483019 24299581229 27658970339 28266859797 28717686907 30570440901 33406288851 39748321613 41972003941 44679875163 45127793711 52803488829 65956006193 72898743687 77948007319 82976911017 86153060721 119244964839 122489725787 125916011823 135383381133 193612792373 197868018579 233844021957 315894555977 367469177361 461692043351 545636051233 580838377119 857428080509 947683667931 1385076130053 1636908153699 2572284241527 6001996563563 18005989690689
• Sum of all divisors σ(n): 35890884771840
• Sum of proper divisors (its aliquot sum) s(n): 17884895081151
• 18005989690689 is a deficient number, because the sum of its proper divisors (17884895081151) is less than itself. Its deficiency is 121094609538

Bases of 18005989690689

• Binary: 100000110000001011000100111101000110101000001₂
• Hexadecimal: 0x1060589E8D41
• Base-36: 6DRU5CZSX

Squares and roots of 18005989690689

• 18005989690689 squared (18005989690689²) is 324215664741198549893294721
• 18005989690689 cubed (18005989690689³) is 5837823916889902200628301147333906552769
• The square root of 18005989690689 is 4243346.5202230421
• The cube root of 18005989690689 is 26210.3205512533

Scales and comparisons

• 18,005,989,690,689 seconds is equal to 572,534 years, 40 weeks, 2 days, 10 hours, 58 minutes, 9 seconds.
• To count from 1 to 18,005,989,690,689 would take you about one million, four hundred thirty-one thousand, three hundred thirty-six 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 18005989690689 cubic inches would be around 2184.2 feet tall.

Recreational maths with 18005989690689

• 18005989690689 backwards is 98609698950081
• The number of decimal digits it has is: 14
• The sum of 18005989690689's digits is 78
• More coming soon!