18213959907738

Names of 18213959907738

• Cardinal: 18213959907738 can be written as Eighteen trillion, two hundred thirteen billion, nine hundred fifty-nine million, nine hundred seven thousand, seven hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8213959907738 × 10¹³

Factors of 18213959907738

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 213

Divisors of 18213959907738

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 31 42 54 62 63 73 93 97 126 146 186 189 194 217 219 279 291 378 434 438 511 558 582 651 657 679 837 873 961 1022 1302 1314 1358 1533 1674 1746 1922 1953 1971 2037 2263 2619 2883 3007 3066 3906 3942 4074 4526 4599 5238 5329 5766 5859 6014 6111 6727 6789 7081 8649 9021 9198 9409 10658 11718 12222 13454 13578 13797 14162 15841 15987 17298 18042 18333 18818 20181 20367 21049 21243 25947 27063 27594 28227 31682 31974 36666 37303 40362 40734 42098 42486 47523 47961 49567 51894 54126 56454 60543 61101 63147 63729 65863 70153 74606 81189 84681 93217 95046 95922 99134 111909 121086 122202 126294 127458 131726 140306 142569 143883 148701 162378 165199 169362 181629 186434 189441 191187 197589 210459 219511 223818 254043 279651 285138 287766 291679 297402 330398 335727 363258 378882 382374 395178 420918 427707 439022 446103 491071 495597 508086 516913 559302 568323 583358 592767 631377 652519 658533 671454 686857 838953 855414 875037 892206 982142 991194 1007181 1033826 1136646 1156393 1185534 1262754 1305038 1317066 1338309 1373714 1473213 1486791 1536577 1550739 1677906 1750074 1778301 1894131 1957557 1975599 2014362 2041753 2060571 2312786 2516859 2625111 2676618 2946426 2973582 3073154 3101478 3469179 3556602 3618391 3788262 3915114 3951198 4083506 4121142 4419639 4460373 4609731 4652217 4807999 5033718 5121169 5250222 5872671 5926797 6125259 6181713 6804841 6938358 7236782 7875333 8839278 8920746 9042049 9219462 9304434 9615998 10242338 10407537 10855173 11745342 11853594 12250518 12363426 13258917 13609682 13829193 13956651 14423997 15363507 15750666 16024303 17618013 18084098 18375777 18545139 20414523 20815074 21292567 21710346 26517834 27126147 27658386 27913302 28847994 30727014 31222611 32048606 32565519 35236026 35848183 36751554 37090278 40829046 41487579 42585134 43271991 46090521 47633887 48072909 50140561 54252294 55127331 61243569 62445222 63294343 63877701 65131038 71696366 81378441 82975158 86543982 92181042 95267774 96145818 97696557 100281122 107544549 110254662 112170121 122487138 126588686 127755402 129815973 138271563 142901661 144218727 149047969 150421683 162756882 183730707 189883029 191633103 195393114 215089098 224340242 244135323 259631946 276543126 285803322 288437454 298095938 300843366 322633647 336510363 350983927 367461414 379766058 383266206 428704983 432656181 447143907 451265049 488270646 496753393 569649087 574899309 645267294 660069577 673020726 701967854 857409966 865312362 894287814 902530098 967900941 993506786 1009531089 1052951781 1139298174 1149798618 1286114949 1320139154 1341431721 1353795147 1490260179 1554357391 1708947261 1935801882 1980208731 2019062178 2105903562 2572229898 2682863442 2707590294 2980520358 3028593267 3108714782 3158855343 3417894522 3477273751 3960417462 4024295163 4470780537 4620487039 4663072173 5940626193 6057186534 6317710686 6954547502 8048590326 8941561074 9240974078 9326144346 9476566029 10431821253 10880501737 11881252386 13412341611 13861461117 13989216519 17821878579 18953132058 20863642506 21761003474 26824683222 27722922234 27978433038 31295463759 32641505211 35643757158 41584383351 41967649557 48185079121 62590927518 65283010422 83168766702 83935299114 93886391277 96370158242 97924515633 124753150053 144555237363 187772782554 195849031266 249506300106 289110474726 293773546899 337295553847 433665712089 587547093798 674591107694 867331424178 1011886661541 1300997136267 2023773323082 2601994272534 3035659984623 6071319969246 9106979953869 18213959907738
• Sum of all divisors σ(n): 48966486482880
• Sum of proper divisors (its aliquot sum) s(n): 30752526575142
• 18213959907738 is an abundant number, because the sum of its proper divisors (30752526575142) is greater than itself. Its abundance is 12538566667404

Bases of 18213959907738

• Binary: 100001001000011000100100111000011100110011010₂
• Hexadecimal: 0x1090C49C399A
• Base-36: 6GFDLGIAI

Squares and roots of 18213959907738

• 18213959907738 squared (18213959907738²) is 331748335520687253472276644
• 18213959907738 cubed (18213959907738³) is 6042450882632611875444260522891052271272
• The square root of 18213959907738 is 4267781.6143446235
• The cube root of 18213959907738 is 26310.8447556633

Scales and comparisons

• 18,213,959,907,738 seconds is equal to 579,147 years, 30 weeks, 3 days, 3 hours, 42 minutes, 18 seconds.
• To count from 1 to 18,213,959,907,738 would take you about one million, four hundred forty-seven thousand, eight hundred sixty-eight 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 18213959907738 cubic inches would be around 2192.6 feet tall.

Recreational maths with 18213959907738

• 18213959907738 backwards is 83770995931281
• The number of decimal digits it has is: 14
• The sum of 18213959907738's digits is 72
• More coming soon!