18078390332973936

Names of 18078390332973936

• Cardinal: 18078390332973936 can be written as Eighteen quadrillion, seventy-eight trillion, three hundred ninety billion, three hundred thirty-two million, nine hundred seventy-three thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 1.8078390332973936 × 10¹⁶

Factors of 18078390332973936

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2434

Divisors of 18078390332973936

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 84 98 108 112 126 144 147 168 189 196 216 252 294 336 378 392 432 441 504 588 756 784 809 882 1008 1176 1323 1512 1613 1618 1764 2352 2427 2646 3024 3226 3236 3528 4839 4854 5292 5663 6452 6472 7056 7281 9678 9708 10584 11291 11326 12904 12944 14517 14562 16989 19356 19416 21168 21843 22582 22652 25808 29034 29124 33873 33978 38712 38832 39641 43551 43686 45164 45304 50967 58068 58248 67746 67956 77424 79037 79282 87102 87372 90328 90608 101619 101934 116136 116496 118923 135492 135912 152901 158074 158564 174204 174744 180656 203238 203868 232272 237111 237846 270984 271824 304857 305802 316148 317128 348408 349488 356769 406476 407736 474222 475692 541968 609714 611604 632296 634256 654481 696816 711333 713538 812952 815472 948444 951384 1070307 1219428 1223208 1264592 1304917 1308962 1422666 1427076 1625904 1896888 1902768 1963443 2133999 2140614 2438856 2446416 2609834 2617924 2845332 2854152 3793776 3914751 3926886 4267998 4281228 4581367 4877712 5219668 5235848 5690664 5708304 5890329 7829502 7853772 8535996 8562456 9134419 9162734 10439336 10471696 11381328 11744253 11780658 13744101 15659004 15707544 17071992 17124912 17670987 18268838 18325468 20878672 23488506 23561316 27403257 27488202 31318008 31415088 32069569 34143984 35232759 35341974 36537676 36650936 41232303 46977012 47122632 54806514 54976404 62636016 63940933 64139138 70465518 70683948 73075352 73301872 82209771 82464606 93954024 94245264 96208707 109613028 109952808 123696909 127881866 128278276 140931036 141367896 146150704 164419542 164929212 187908048 191822799 192417414 219226056 219905616 246629313 247393818 255763732 256556552 281862072 282735792 288626121 328839084 329858424 383645598 384834828 438452112 493258626 494787636 511527464 513113104 529475129 563724144 575468397 577252242 657678168 659716848 767291196 769669656 865878363 986517252 989575272 1023054928 1055677853 1058950258 1150936794 1154504484 1315356336 1534582392 1539339312 1588425387 1726405191 1731756726 1973034504 1979150544 2111355706 2117900516 2301873588 2309008968 3069164784 3167033559 3176850774 3452810382 3463513452 3706325903 3946069008 4222711412 4235801032 4603747176 4618017936 4765276161 6334067118 6353701548 6905620764 6927026904 7389744971 7412651806 8445422824 8471602064 9207494352 9501100677 9530552322 11118977709 12668134236 12707403096 13811241528 13854053808 14295828483 14779489942 14825303612 16890845648 19002201354 19061104644 22169234913 22237955418 25336268472 25414806192 25944281321 27622483056 28503302031 28591656966 29558979884 29650607224 33356933127 38004402708 38122209288 44338469826 44475910836 50672536944 51728214797 51888562642 57006604062 57183313932 59117959768 59301214448 66507704739 66713866254 76008805416 76244418576 77832843963 88676939652 88951821672 100070799381 103456429594 103777125284 114013208124 114366627864 118235919536 133015409478 133427732508 152017610832 155184644391 155665687926 177353879304 177903643344 199523114217 200141598762 206912859188 207554250568 228026416248 228733255728 233498531889 266030818956 266855465016 310369288782 311331375852 354707758608 399046228434 400283197524 413825718376 415108501136 456052832496 465553933173 466997063778 532061637912 533710930032 620738577564 622662751704 700495595667 798092456868 800566395048 827651436752 854043383077 931107866346 933994127556 1064123275824 1241477155128 1245325503408 1396661799519 1400991191334 1596184913736 1601132790096 1708086766154 1862215732692 1867988255112 2482954310256 2562130149231 2793323599038 2801982382668 3192369827472 3416173532308 3724431465384 3735976510224 5124260298462 5586647198076 5603964765336 5978303681539 6832347064616 7448862930768 7686390447693 10248520596924 11173294396152 11207929530672 11956607363078 13664694129232 15372780895386 17934911044617 20497041193848 22346588792304 23059171343079 23913214726156 30745561790772 35869822089234 40994082387696 41848125770773 46118342686158 47826429452312 53804733133851 61491123581544 71739644178468 83696251541546 92236685372316 95652858904624 107609466267702 122982247163088 125544377312319 143479288356936 161414199401553 167392503083092 184473370744632 215218932535404 251088754624638 286958576713872 322828398803106 334785006166184 368946741489264 376633131936957 430437865070808 502177509249276 645656797606212 669570012332368 753266263873914 860875730141616 1004355018498552 1129899395810871 1291313595212424 1506532527747828 2008710036997104 2259798791621742 2582627190424848 3013065055495656 4519597583243484 6026130110991312 9039195166486968 18078390332973936
• Sum of all divisors σ(n): 60475963590158400
• Sum of proper divisors (its aliquot sum) s(n): 42397573257184464
• 18078390332973936 is an abundant number, because the sum of its proper divisors (42397573257184464) is greater than itself. Its abundance is 24319182924210528

Bases of 18078390332973936

• Binary: 1000000001110100011001101000001111010000110001101110000₂
• Hexadecimal: 0x403A3341E86370
• Base-36: 4Y095V61OC0

Squares and roots of 18078390332973936

• 18078390332973936 squared (18078390332973936²) is 326828197031365460557722055332096
• 18078390332973936 cubed (18078390332973936³) is 5908527717755138189809389684252678963377792249856
• The square root of 18078390332973936 is 134455904.7902840747
• The cube root of 18078390332973936 is 262454.0343786467

Scales and comparisons

• 18,078,390,332,973,936 seconds is equal to 574,836,892 years, 23 weeks, 4 days, 20 hours, 45 minutes, 36 seconds.
• To count from 1 to 18,078,390,332,973,936 would take you about one billion, seven hundred twenty-four million, five hundred ten thousand, six hundred seventy-seven 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 18078390332973936 cubic inches would be around 21871.2 feet tall.

Recreational maths with 18078390332973936

• 18078390332973936 backwards is 63937923309387081
• The number of decimal digits it has is: 17
• The sum of 18078390332973936's digits is 81
• More coming soon!