18355864421664

Names of 18355864421664

• Cardinal: 18355864421664 can be written as Eighteen trillion, three hundred fifty-five billion, eight hundred sixty-four million, four hundred twenty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.8355864421664 × 10¹³

Factors of 18355864421664

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4840601

Divisors of 18355864421664

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 19 21 22 24 27 28 32 33 36 38 42 44 48 54 56 57 63 66 72 76 77 81 84 88 96 99 108 112 114 126 132 133 144 152 154 162 168 171 176 189 198 209 216 224 228 231 252 264 266 288 297 304 308 324 336 342 352 378 396 399 418 432 456 462 504 513 528 532 567 594 608 616 627 648 672 684 693 756 792 798 836 864 891 912 924 1008 1026 1056 1064 1134 1188 1197 1232 1254 1296 1368 1386 1463 1512 1539 1584 1596 1672 1782 1824 1848 1881 2016 2052 2079 2128 2268 2376 2394 2464 2508 2592 2736 2772 2926 3024 3078 3168 3192 3344 3564 3591 3696 3762 4104 4158 4256 4389 4536 4752 4788 5016 5472 5544 5643 5852 6048 6156 6237 6384 6688 7128 7182 7392 7524 8208 8316 8778 9072 9504 9576 10032 10773 11088 11286 11704 12312 12474 12768 13167 14256 14364 15048 16416 16632 16929 17556 18144 19152 20064 21546 22176 22572 23408 24624 24948 26334 28512 28728 30096 33264 33858 35112 38304 39501 43092 45144 46816 49248 49896 52668 57456 60192 66528 67716 70224 79002 86184 90288 99792 105336 114912 118503 135432 140448 158004 172368 180576 199584 210672 237006 270864 316008 344736 421344 474012 541728 632016 948024 1264032 1896048 3792096 4840559 9681118 14521677 19362236 29043354 33883913 38724472 43565031 53246149 58086708 67767826 77448944 87130062 91970621 101651739 106492298 116173416 130695093 135535652 154897888 159738447 174260124 183941242 203303478 212984596 232346832 261390186 271071304 275911863 304955217 319476894 348520248 367882484 372723043 392085279 406606956 425969192 464693664 479215341 522780372 542142608 551823726 609910434 638953788 643794347 697040496 735764968 745446086 784170558 813213912 827735589 851938384 914865651 958430682 1011676831 1045560744 1084285216 1103647452 1118169129 1219820868 1277907576 1287588694 1394080992 1437646023 1471529936 1490892172 1568341116 1626427824 1655471178 1703876768 1829731302 1916861364 1931383041 2023353662 2091121488 2207294904 2236338258 2439641736 2483206767 2555815152 2575177388 2744596953 2875292046 2943059872 2981784344 3035030493 3136682232 3252855648 3310942356 3354507387 3659462604 3833722728 3862766082 4046707324 4182242976 4312938069 4414589808 4472676516 4879283472 4966413534 5111630304 5150354776 5489193906 5750584092 5794149123 5963568688 6070060986 6273364464 6621884712 6709014774 7081737817 7318925208 7449620301 7667445456 7725532164 8093414648 8625876138 8829179616 8945353032 9105091479 9758566944 9932827068 10063522161 10300709552 10978387812 11501168184 11588298246 11927137376 12140121972 12546728928 13243769424 13418029548 14163475634 14637850416 14899240602 15334890912 15451064328 16186829296 17251752276 17382447369 17890706064 18210182958 19865654136 20127044322 20601419104 21245213451 21956775624 23002336368 23176596492 24280243944 26487538848 26836059096 27315274437 28326951268 29275700832 29798481204 30190566483 30902128656 32373658592 34503504552 34764894738 35781412128 36420365916 39731308272 40254088644 42490426902 43913551248 46004672736 46353192984 48560487888 52147342107 53672118192 54630548874 56653902536 59596962408 60381132966 61804257312 63735640353 69007009104 69529789476 72840731832 79462616544 80508177288 81945823311 84980853804 87827102496 92706385968 97120975776 104294684214 107344236384 109261097748 113307805072 119193924816 120762265932 127471280706 138014018208 139059578952 145681463664 161016354576 163891646622 169961707608 185412771936 191206921059 208589368428 218522195496 226615610144 238387849632 241524531864 254942561412 278119157904 291362927328 322032709152 327783293244 339923415216 382413842118 417178736856 437044390992 483049063728 509885122824 556238315808 573620763177 655566586488 679846830432 764827684236 834357473712 874088781984 966098127456 1019770245648 1147241526354 1311133172976 1529655368472 1668714947424 2039540491296 2294483052708 2622266345952 3059310736944 4588966105416 6118621473888 9177932210832 18355864421664
• Sum of all divisors σ(n): 70847210649600
• Sum of proper divisors (its aliquot sum) s(n): 52491346227936
• 18355864421664 is an abundant number, because the sum of its proper divisors (52491346227936) is greater than itself. Its abundance is 34135481806272

Bases of 18355864421664

• Binary: 100001011000111001110110001110100010100100000₂
• Hexadecimal: 0x10B1CEC74520
• Base-36: 6I8KFQQ00

Squares and roots of 18355864421664

• 18355864421664 squared (18355864421664²) is 336937758666510253192528896
• 18355864421664 cubed (18355864421664³) is 6184783816621806632563005633220648402944
• The square root of 18355864421664 is 4284374.4492824153
• The cube root of 18355864421664 is 26378.9971180277

Scales and comparisons

• 18,355,864,421,664 seconds is equal to 583,659 years, 36 weeks, 6 days, 12 hours, 14 minutes, 24 seconds.
• To count from 1 to 18,355,864,421,664 would take you about one million, four hundred fifty-nine thousand, one hundred forty-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 18355864421664 cubic inches would be around 2198.2 feet tall.

Recreational maths with 18355864421664

• 18355864421664 backwards is 46612446855381
• 18355864421664 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18355864421664's digits is 63
• More coming soon!