18406277908144128

Names of 18406277908144128

• Cardinal: 18406277908144128 can be written as Eighteen quadrillion, four hundred six trillion, two hundred seventy-seven billion, nine hundred eight million, one hundred forty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8406277908144128 × 10¹⁶

Factors of 18406277908144128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 8257

Divisors of 18406277908144128

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 61 64 72 96 122 128 144 183 192 244 256 288 366 384 488 512 549 576 732 768 976 1024 1098 1152 1464 1536 1952 2048 2196 2304 2928 3072 3721 3904 4096 4392 4608 5856 6144 7442 7808 8191 8192 8784 9216 11163 11712 12288 14884 15616 16382 17568 18432 22326 23424 24573 24576 29768 31232 32764 33489 35136 36864 44652 46848 49146 59536 62464 65528 66978 70272 73719 73728 89304 93696 98292 119072 124928 131056 133956 140544 147438 178608 187392 196584 238144 249856 262112 267912 281088 294876 357216 374784 393168 476288 499651 499712 524224 535824 562176 589752 714432 749568 786336 952576 999302 1048448 1071648 1124352 1179504 1428864 1498953 1499136 1572672 1905152 1998604 2096896 2143296 2248704 2359008 2857728 2997906 3145344 3810304 3997208 4193792 4286592 4496859 4497408 4718016 5715456 5995812 6290688 7620608 7994416 8387584 8573184 8993718 9436032 11430912 11991624 12581376 15241216 15988832 16775168 17146368 17987436 18872064 22861824 23983248 25162752 30478711 30482432 31977664 33550336 34292736 35974872 37744128 45723648 47966496 50325504 60957422 63955328 67092481 67100672 68585472 71949744 75488256 91436133 91447296 95932992 100651008 121914844 127910656 134184962 137170944 143899488 150976512 182872266 191865984 201277443 201302016 243829688 255821312 268369924 274308399 274341888 287798976 301953024 365744532 383731968 402554886 487659376 511642624 536739848 548616798 575597952 603832329 603906048 731489064 767463936 805109772 975318752 1023285248 1073479696 1097233596 1151195904 1207664658 1462978128 1534927872 1610219544 1950637504 2046570496 2146959392 2194467192 2302391808 2415329316 2925956256 3069855744 3220439088 3901275008 4092641341 4093140992 4293918784 4388934384 4604783616 4830658632 5851912512 6139711488 6440878176 7802550016 8185282682 8587837568 8777868768 9209567232 9661317264 11703825024 12277924023 12279422976 12881756352 15605100032 16370565364 17175675136 17555737536 18419134464 19322634528 23407650048 24555848046 25763512704 31210200064 32741130728 34351350272 35111475072 36833772069 36838268928 38645269056 46815300096 49111696092 51527025408 62420400128 65482261456 68702700544 70222950144 73667544138 77290538112 93630600192 98223392184 103054050816 124840800256 130964522912 137405401088 140445900288 147335088276 154581076224 187261200384 196446784368 206108101632 249651121801 249681600512 261929045824 274810802176 280891800576 294670176552 309162152448 374522400768 392893568736 412216203264 499302243602 523858091648 549621604352 561783601152 589340353104 618324304896 748953365403 749044801536 785787137472 824432406528 998604487204 1047716183296 1123567202304 1178680706208 1236648609792 1497906730806 1571574274944 1648864813056 1997208974408 2095432366592 2246860096209 2247134404608 2357361412416 2473297219584 2995813461612 3143148549888 3994417948816 4190864733184 4493720192418 4714722824832 4946594439168 5991626923224 6286297099776 7988835897632 8381729466368 8987440384836 9429445649664 11983253846448 12572594199552 15977671795264 16763458932736 17974880769672 18858891299328 23966507692896 25145188399104 31955343590528 33526917865472 35949761539344 37717782598656 47933015385792 50290376798208 63910687181056 71899523078688 75435565197312 95866030771584 100580753596416 127821374362112 143799046157376 150871130394624 191732061543168 255642748724224 287598092314752 301742260789248 383464123086336 511285497448448 575196184629504 766928246172672 1022570994896896 1150392369259008 1533856492345344 2045141989793792 2300784738518016 3067712984690688 4601569477036032 6135425969381376 9203138954072064 18406277908144128
• Sum of all divisors σ(n): 54062982510501861
• Sum of proper divisors (its aliquot sum) s(n): 35656704602357733
• 18406277908144128 is an abundant number, because the sum of its proper divisors (35656704602357733) is greater than itself. Its abundance is 17250426694213605

Bases of 18406277908144128

• Binary: 1000001011001000110100110001000010110100010000000000000₂
• Hexadecimal: 0x416469885A2000
• Base-36: 518HBC6HVK0

Squares and roots of 18406277908144128

• 18406277908144128 squared (18406277908144128²) is 338791066431834576508669220880384
• 18406277908144128 cubed (18406277908144128³) is 6235882521540866432324741504613225807223719985152
• The square root of 18406277908144128 is 135669738.3654296283
• The cube root of 18406277908144128 is 264031.2458624163

Scales and comparisons

• 18,406,277,908,144,128 seconds is equal to 585,262,703 years, 6 weeks, 2 days, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,406,277,908,144,128 would take you about one billion, seven hundred fifty-five million, seven hundred eighty-eight thousand, one hundred 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 18406277908144128 cubic inches would be around 22002.6 feet tall.

Recreational maths with 18406277908144128

• 18406277908144128 backwards is 82144180977260481
• 18406277908144128 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18406277908144128's digits is 72
• More coming soon!