18129938935955392

Names of 18129938935955392

• Cardinal: 18129938935955392 can be written as Eighteen quadrillion, one hundred twenty-nine trillion, nine hundred thirty-eight billion, nine hundred thirty-five million, nine hundred fifty-five thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.8129938935955392 × 10¹⁶

Factors of 18129938935955392

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 164239

Divisors of 18129938935955392

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 37 49 52 56 64 74 91 98 104 112 148 169 182 196 208 224 259 296 338 364 392 416 448 481 518 592 637 676 728 784 832 962 1036 1183 1184 1274 1352 1456 1568 1813 1924 2072 2366 2368 2548 2704 2912 3136 3367 3626 3848 4144 4732 5096 5408 5824 5839 6253 6734 7252 7696 8281 8288 9464 10192 10816 11678 12506 13468 14504 15392 16562 16576 18928 20384 23356 23569 25012 26936 29008 30784 33124 37856 40768 40873 43771 46712 47138 50024 53872 58016 66248 75712 75907 81746 87542 93424 94276 100048 107744 116032 132496 151814 158341 163492 175084 186848 188552 200096 215488 216043 264992 286111 303628 306397 316682 326984 350168 373696 377104 400192 432086 529984 531349 572222 607256 612794 633364 653968 700336 754208 864172 986791 1062698 1108387 1144444 1214512 1225588 1266728 1307936 1400672 1508416 1512301 1728344 1973582 2058433 2125396 2216774 2288888 2429024 2451176 2533456 2615872 2801344 2808559 3024602 3456688 3719443 3947164 4116866 4250792 4433548 4577776 4858048 4902352 5066912 5617118 5858617 6049204 6907537 6913376 7438886 7758709 7894328 8233732 8501584 8867096 9155552 9804704 10133824 10586107 11234236 11717234 12098408 13815074 13826752 14409031 14877772 15517418 15788656 16467464 17003168 17734192 18311104 19609408 19659913 21172214 22468472 23434468 24196816 26759629 27630148 28818062 29755544 31034836 31577312 32934928 34006336 35468384 36511267 39319826 41010319 42344428 44936944 46868936 48352759 48393632 53519258 55260296 57636124 59511088 62069672 63154624 65869856 70936768 73022534 76162021 78639652 82020638 84688856 89873888 93737872 96705518 96787264 100863217 107038516 110520592 115272248 119022176 124139344 131739712 137619391 146045068 152324042 157279304 164041276 169377712 179747776 187317403 187475744 193411036 201726434 214077032 221041184 230544496 238044352 248278688 255578869 275238782 287072233 292090136 304648084 314558608 328082552 338755424 374634806 374951488 386822072 403452868 428154064 442082368 461088992 496557376 511157738 533134147 550477564 574144466 584180272 609296168 629117216 656165104 677510848 749269612 773644144 806905736 856308128 922177984 924553099 990106273 1022315476 1066268294 1100955128 1148288932 1168360544 1218592336 1258234432 1311221821 1312330208 1498539224 1547288288 1613811472 1712616256 1789052083 1849106198 1980212546 2044630952 2132536588 2201910256 2296577864 2336721088 2437184672 2622443642 2624660416 2997078448 3094576576 3227622944 3578104166 3698212396 3731939029 3960425092 4089261904 4265073176 4403820512 4593155728 4874369344 5244887284 5994156896 6455245888 6471871693 6930743911 7156208332 7396424792 7463878058 7920850184 8178523808 8530146352 8807641024 9186311456 10489774568 11988313792 12019190287 12943743386 13861487822 14312416664 14792849584 14927756116 15841700368 16357047616 17060292704 18372622912 20979549136 24038380574 25887486772 27722975644 28624833328 29585699168 29855512232 31683400736 34120585408 34208464663 41959098272 45303101851 48076761148 48515207377 51774973544 55445951288 57249666656 59171398336 59711024464 63366801472 68416929326 83918196544 84134332009 90606203702 96153522296 97030414754 103549947088 110891902576 114499333312 119422048928 136833858652 156249473731 168268664018 181212407404 192307044592 194060829508 207099894176 221783805152 238844097856 239459252641 273667717304 312498947462 336537328036 362424814808 384614089184 388121659016 414199788352 443567610304 444710040619 478918505282 547335434608 588940324063 624997894924 673074656072 724849629616 769228178368 776243318032 889420081238 957837010564 1093746316117 1094670869216 1177880648126 1249995789848 1346149312144 1449699259232 1552486636064 1676214768487 1778840162476 1915674021128 2187492632234 2189341738432 2355761296252 2499991579696 2692298624288 2899398518464 3104973272128 3112970284333 3352429536974 3557680324952 3831348042256 4374985264468 4711522592504 4999983159392 5384597248576 5781230528047 6225940568666 6704859073948 7115360649904 7656224212819 7662696084512 8749970528936 9423045185008 9999966318784 11562461056094 12451881137332 13409718147896 14230721299808 15312448425638 15325392169024 17499941057872 18846090370016 21790791990331 23124922112188 24903762274664 26819436295792 28461442599616 30624896851276 34999882115744 37692180740032 40468613696329 43581583980662 46249844224376 49807524549328 53638872591584 61249793702552 69999764231488 80937227392658 87163167961324 92499688448752 99615049098656 107277745183168 122499587405104 161874454785316 174326335922648 184999376897504 199230098197312 244999174810208 283280295874303 323748909570632 348652671845296 369998753795008 489998349620416 566560591748606 647497819141264 697305343690592 1133121183497212 1294995638282528 1394610687381184 2266242366994424 2589991276565056 4532484733988848 9064969467977696 18129938935955392
• Sum of all divisors σ(n): 46550273423503680
• Sum of proper divisors (its aliquot sum) s(n): 28420334487548288
• 18129938935955392 is an abundant number, because the sum of its proper divisors (28420334487548288) is greater than itself. Its abundance is 10290395551592896

Bases of 18129938935955392

• Binary: 1000000011010010001010101011010000100111011111111000000₂
• Hexadecimal: 0x4069155A13BFC0
• Base-36: 4YIIYYTBDTS

Squares and roots of 18129938935955392

• 18129938935955392 squared (18129938935955392²) is 328694685821471331463887813873664
• 18129938935955392 cubed (18129938935955392³) is 5959214582516317824569777361530120830980227596288
• The square root of 18129938935955392 is 134647461.6766145799
• The cube root of 18129938935955392 is 262703.2508913953

Scales and comparisons

• 18,129,938,935,955,392 seconds is equal to 576,475,978 years, 30 weeks, 1 day, 4 hours, 29 minutes, 52 seconds.
• To count from 1 to 18,129,938,935,955,392 would take you about one billion, seven hundred twenty-nine million, four hundred twenty-seven thousand, nine hundred thirty-five 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 18129938935955392 cubic inches would be around 21891.9 feet tall.

Recreational maths with 18129938935955392

• 18129938935955392 backwards is 29355953983992181
• 18129938935955392 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18129938935955392's digits is 91
• More coming soon!