18942109729488

Names of 18942109729488

• Cardinal: 18942109729488 can be written as Eighteen trillion, nine hundred forty-two billion, one hundred nine million, seven hundred twenty-nine thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8942109729488 × 10¹³

Factors of 18942109729488

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3914

Divisors of 18942109729488

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 61 66 67 72 88 99 122 132 134 144 176 183 198 201 244 264 268 366 396 402 488 528 536 549 603 671 732 737 792 804 976 1072 1093 1098 1206 1342 1464 1474 1584 1608 2013 2186 2196 2211 2412 2677 2684 2928 2948 3216 3279 4026 4087 4372 4392 4422 4824 5354 5368 5896 6039 6558 6633 8031 8052 8174 8744 8784 8844 9648 9837 10708 10736 11792 12023 12078 12261 13116 13266 16062 16104 16348 17488 17688 19674 21416 24046 24093 24156 24522 26232 26532 29447 32124 32208 32696 35376 36069 36783 39348 42832 44957 48092 48186 48312 49044 52464 53064 58894 64248 65392 66673 72138 73231 73566 78696 88341 89914 96184 96372 96624 98088 106128 108207 117788 128496 133346 134871 144276 146462 147132 157392 163297 176682 179359 179828 192368 192744 196176 200019 216414 219693 235576 265023 266692 269742 288552 292924 294264 326594 353364 358718 359656 385488 400038 404613 432828 439386 471152 489891 530046 533384 538077 539484 577104 585848 588528 600057 653188 659079 706728 717436 719312 733403 800076 805541 809226 865656 878772 979782 1060092 1066768 1076154 1078968 1171696 1200114 1306376 1318158 1413456 1434872 1466806 1469673 1600152 1611082 1614231 1618452 1731312 1757544 1796267 1959564 1972949 2120184 2152308 2157936 2200209 2400228 2416623 2612752 2636316 2869744 2925961 2933612 2939346 3200304 3222164 3228462 3236904 3515088 3592534 3919128 3945898 4240368 4304616 4400418 4467091 4800456 4833246 5272632 5388801 5851922 5867224 5878692 5918847 6444328 6456924 6473808 6600627 7185068 7249869 7838256 7891796 8609232 8777883 8800836 8934182 9600912 9666492 10545264 10777602 10940899 11703844 11734448 11757384 11837694 12888656 12913848 13201254 13401273 14370136 14499738 15783592 16166403 17555766 17601672 17756541 17868364 19332984 21555204 21881798 23407688 23514768 23675388 25827696 26333649 26402508 26802546 28740272 28999476 31567184 32185571 32332806 32822697 35111532 35203344 35513082 35736728 38665968 40203819 43110408 43763596 46815376 47350776 49138001 52667298 52805016 53605092 57998952 64371142 64665612 65645394 70223064 71026164 71473456 80407638 86220816 87527192 94701552 96556713 98276002 98468091 105334596 105610032 107210184 115997904 120349889 128742284 129331224 131290788 140446128 142052328 147414003 160815276 175054384 178483621 193113426 196039387 196552004 196936182 210669192 214420368 240699778 257484568 258662448 262581576 284104656 289670139 294828006 321630552 356967242 361049667 386226852 392078774 393104008 393872364 421338384 442242009 481399556 514969136 525163152 535450863 579340278 588118161 589656012 643261104 713934484 722099334 772453704 784157548 786208016 787744728 884484018 962799112 1070901726 1083149001 1158680556 1176236322 1179312024 1427868968 1444198668 1544907408 1568315096 1575489456 1606352589 1764354483 1768968036 1925598224 1963319831 2141803452 2156433257 2166298002 2317361112 2352472644 2358624048 2855737936 2888397336 3136630192 3212705178 3528708966 3537936072 3926639662 4283606904 4312866514 4332596004 4634722224 4704945288 5776794672 5889959493 6425410356 6469299771 7057417932 7075872144 7853279324 8567213808 8625733028 8665192008 9409890576 11779918986 11958402607 12850820712 12938599542 14114835864 15706558648 17251466056 17330384016 17669878479 19407899313 23559837972 23916805214 25701641424 25877199084 28229671728 31413117296 34502932112 35339756958 35875207821 38815798626 47119675944 47833610428 51754398168 70679513916 71750415642 77631597252 94239351888 95667220856 103508796336 107625623463 131542428677 141359027832 143500831284 155263194504 191334441712 215251246926 263084857354 282718055664 287001662568 310526389008 394627286031 430502493852 526169714708 574003325136 789254572062 861004987704 1052339429416 1183881858093 1578509144124 1722009975408 2104678858832 2367763716186 3157018288248 4735527432372 6314036576496 9471054864744 18942109729488
• Sum of all divisors σ(n): 59733063541632
• Sum of proper divisors (its aliquot sum) s(n): 40790953812144
• 18942109729488 is an abundant number, because the sum of its proper divisors (40790953812144) is greater than itself. Its abundance is 21848844082656

Bases of 18942109729488

• Binary: 100010011101001001101101110001100001011010000₂
• Hexadecimal: 0x113A4DB8C2D0
• Base-36: 6PPVV28K0

Squares and roots of 18942109729488

• 18942109729488 squared (18942109729488²) is 358803521003963952536742144
• 18942109729488 cubed (18942109729488³) is 6796495666183737551161452004664649142272
• The square root of 18942109729488 is 4352253.4082344057
• The cube root of 18942109729488 is 26656.8881281705

Scales and comparisons

• 18,942,109,729,488 seconds is equal to 602,300 years, 25 weeks, 6 days, 3 hours, 4 minutes, 48 seconds.
• To count from 1 to 18,942,109,729,488 would take you about one million, five hundred five thousand, seven hundred fifty-one 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 18942109729488 cubic inches would be around 2221.4 feet tall.

Recreational maths with 18942109729488

• 18942109729488 backwards is 88492790124981
• 18942109729488 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18942109729488's digits is 72
• More coming soon!