18284951862845388

Names of 18284951862845388

• Cardinal: 18284951862845388 can be written as Eighteen quadrillion, two hundred eighty-four trillion, nine hundred fifty-one billion, eight hundred sixty-two million, eight hundred forty-five thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8284951862845388 × 10¹⁶

Factors of 18284951862845388

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1141

Divisors of 18284951862845388

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 189 196 252 294 343 378 441 588 686 756 882 1029 1129 1323 1372 1764 2058 2258 2401 2646 3087 3387 4116 4516 4802 5292 6174 6774 7203 7903 9261 9604 10161 12348 13548 14406 15806 16807 18522 20322 21609 23709 28812 30483 31612 33614 37044 40644 43218 47418 50421 55321 60966 64827 67228 71127 86436 94836 100842 110642 117649 121932 129654 142254 151263 165963 201684 213381 221284 235298 259308 284508 302526 331926 352947 387247 426762 453789 470596 497889 605052 663852 705894 774494 853524 907578 995778 1058841 1161741 1274641 1411788 1493667 1548988 1815156 1991556 2117682 2323482 2549282 2710729 2987334 3176523 3485223 3823923 4235364 4646964 5098564 5421458 5974668 6353046 6970446 7647846 8132187 8922487 10455669 10842916 11471769 12706092 13940892 15295692 16264374 17844974 18975103 20911338 22943538 24396561 26767461 32528748 34415307 35689948 37950206 41822676 45887076 48793122 53534922 56925309 62457409 68830614 73189683 75900412 80302383 97586244 107069844 113850618 124914818 132825721 137661228 146379366 160604766 170775927 187372227 227701236 240907149 249829636 265651442 292758732 321209532 341551854 374744454 398477163 437201863 481814298 512327781 531302884 562116681 683103708 749488908 796954326 874403726 963628596 1024655562 1124233362 1195431489 1311605589 1439069689 1593908652 1686350043 1748807452 2049311124 2248466724 2390862978 2623211178 2878139378 3060413041 3372700086 3586294467 3934816767 4317209067 4781725956 5246422356 5756278756 6120826082 6745400172 7172588934 7869633534 8634418134 9181239123 10073487823 11804450301 12241652164 12951627201 14345177868 15739267068 17268836268 18362478246 20146975646 21422891287 23608900602 25903254402 27543717369 30220463469 36724956492 38854881603 40293951292 42845782574 47217801204 51806508804 55087434738 60440926938 64268673861 70514414761 77709763206 82631152107 85691565148 90661390407 110174869476 120881853876 128537347722 141028829522 149960239009 155419526412 165262304214 181322780814 192806021583 211543244283 257074695444 271984171221 282057659044 299920478018 330524608428 362645561628 385612043166 423086488566 449880717027 493600903327 543968342442 578418064749 599840956036 634629732849 771224086332 846172977132 899761434054 987201806654 1087936684884 1156836129498 1269259465698 1349642151081 1480802709981 1799522868108 1903889198547 1974403613308 2313672258996 2538518931396 2699284302162 2961605419962 3455206323289 3807778397094 4048926453243 4442408129943 5398568604324 5923210839924 6910412646578 7615556794188 8097852906486 8884816259886 10365618969867 13327224389829 13820825293156 16195705812972 17769632519772 20731237939734 24186444263023 26654448779658 31096856909601 41462475879468 48372888526046 53308897559316 62193713819202 72559332789069 93290570728803 96745777052092 124387427638404 145118665578138 169305109841161 186581141457606 217677998367207 290237331156276 338610219682322 373162282915212 435355996734414 507915329523483 653033995101621 677220439364644 870711993468828 1015830659046966 1306067990203242 1523745988570449 2031661318093932 2612135980406484 3047491977140898 4571237965711347 6094983954281796 9142475931422694 18284951862845388
• Sum of all divisors σ(n): 55355299104901600
• Sum of proper divisors (its aliquot sum) s(n): 37070347242056212
• 18284951862845388 is an abundant number, because the sum of its proper divisors (37070347242056212) is greater than itself. Its abundance is 18785395379210824

Bases of 18284951862845388

• Binary: 1000000111101100001000100011100100001010001111111001100₂
• Hexadecimal: 0x40F6111C851FCC
• Base-36: 501H2X7O630

Squares and roots of 18284951862845388

• 18284951862845388 squared (18284951862845388²) is 334339464626573024814139592870544
• 18284951862845388 cubed (18284951862845388³) is 6113381016546386136076003268887751279890571451072
• The square root of 18284951862845388 is 135221861.6306009447
• The cube root of 18284951862845388 is 263449.8407877983

Scales and comparisons

• 18,284,951,862,845,388 seconds is equal to 581,404,910 years, 8 weeks, 5 days, 10 hours, 49 minutes, 48 seconds.
• To count from 1 to 18,284,951,862,845,388 would take you about one billion, seven hundred forty-four million, two hundred fourteen thousand, seven hundred thirty 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 18284951862845388 cubic inches would be around 21954.2 feet tall.

Recreational maths with 18284951862845388

• 18284951862845388 backwards is 88354826815948281
• The number of decimal digits it has is: 17
• The sum of 18284951862845388's digits is 90
• More coming soon!