18128735384970

Names of 18128735384970

• Cardinal: 18128735384970 can be written as Eighteen trillion, one hundred twenty-eight billion, seven hundred thirty-five million, three hundred eighty-four thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.812873538497 × 10¹³

Factors of 18128735384970

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 458

Divisors of 18128735384970

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 49 57 70 73 95 98 105 114 133 146 147 190 210 219 245 266 285 294 349 365 399 438 490 511 570 665 698 730 735 798 931 1022 1047 1095 1330 1387 1470 1533 1745 1862 1995 2094 2190 2443 2555 2774 2793 3066 3490 3577 3990 4161 4655 4886 5110 5235 5329 5586 6631 6935 7154 7329 7665 8322 9310 9709 10470 10658 10731 12215 13262 13870 13965 14658 15330 15987 17101 17885 19418 19893 20805 21462 24430 25477 26645 27930 29127 31974 33155 34202 35770 36645 37303 39786 41610 46417 48545 50954 51303 53290 53655 58254 66310 67963 73290 74606 76431 79935 85505 92834 97090 99465 101251 102606 107310 111909 121801 127385 135926 139251 145635 152862 159870 171010 178339 186515 198930 202502 203889 223818 232085 243602 254770 256515 261121 278502 291270 303753 324919 339815 356678 365403 373030 382155 407778 464170 484063 506255 513030 522242 535017 559545 607506 609005 649838 679630 696255 708757 730806 764310 783363 852607 891695 968126 974757 1012510 1019445 1070034 1119090 1218010 1248373 1305605 1392510 1417514 1452189 1518765 1566726 1624595 1705214 1783390 1827015 1859821 1949514 2038890 2126271 2314219 2420315 2496746 2557821 2611210 2675085 2904378 3037530 3249190 3388441 3543785 3654030 3719642 3745119 3916815 4252542 4263035 4628438 4840630 4873785 4961299 5115642 5350170 5579463 5968249 6241865 6776882 6942657 7087570 7260945 7490238 7833630 8526070 8891473 9299105 9747570 9922598 10165323 10631355 11158926 11571095 11936498 12483730 12789105 13018747 13885314 14521890 14883897 16199533 16942205 17782946 17904747 18598210 18725595 20330646 21262710 23142190 23719087 24806495 25578210 26037494 26674419 27897315 29767794 29841245 32399066 33884410 34713285 35336599 35809494 37451190 39056241 44457365 47438174 48598599 49612990 50826615 53348838 55794630 59682490 62240311 65093735 69426570 70673198 71157261 74419485 78112482 80997665 88914730 89523735 91131229 97197198 101653230 106009797 113396731 118595435 124480622 130187470 133372095 142314522 148838970 161995330 168937987 176682995 179047470 182262458 186720933 195281205 212019594 226793462 237190870 242992995 247356193 266744190 273393687 311201555 337875974 340190193 353365990 355786305 373441866 390562410 435682177 455656145 485985990 494712386 506813961 530048985 546787374 566983655 622403110 649077529 680380386 711572610 742068579 844689935 871364354 911312290 933604665 1013627922 1060097970 1133967310 1182565909 1236780965 1298155058 1307046531 1366968435 1484137158 1689379870 1700950965 1731493351 1867209330 1947232587 2178410885 2365131818 2473561930 2534069805 2614093062 2733936870 3245387645 3401901930 3462986702 3547697727 3710342895 3894465174 4356821770 4543542703 5068139610 5194480053 5912829545 6490775290 6535232655 7095395454 7420685790 8277961363 8657466755 9087085406 9736162935 10388960106 11825659090 12332473051 13070465310 13630628109 16555922726 17314933510 17738488635 19472325870 22717713515 24664946102 24833884089 25972400265 27261256218 31804798921 35476977270 36997419153 41389806815 45435427030 49667768178 51944800530 61662365255 63609597842 68153140545 73994838306 82779613630 86327311357 95414396763 123324730510 124169420445 136306281090 159023994605 172654622714 184987095765 190828793526 248338840890 258981934071 318047989210 369974191530 431636556785 477071983815 517963868142 604291179499 863273113570 954143967630 1208582358998 1294909670355 1812873538497 2589819340710 3021455897495 3625747076994 6042911794990 9064367692485 18128735384970
• Sum of all divisors σ(n): 54171310494240
• Sum of proper divisors (its aliquot sum) s(n): 36042575109270
• 18128735384970 is an abundant number, because the sum of its proper divisors (36042575109270) is greater than itself. Its abundance is 17913839724300

Bases of 18128735384970

• Binary: 100000111110011101100110101010011010110001010₂
• Hexadecimal: 0x107CECD5358A
• Base-36: 6FC84Z7NU

Squares and roots of 18128735384970

• 18128735384970 squared (18128735384970²) is 328651046658263374101900900
• 18128735384970 cubed (18128735384970³) is 5958027858861085701330875540370289473000
• The square root of 18128735384970 is 4257785.2675974631
• The cube root of 18128735384970 is 26269.7437601855

Scales and comparisons

• 18,128,735,384,970 seconds is equal to 576,437 years, 36 weeks, 6 days, 5 hours, 9 minutes, 30 seconds.
• To count from 1 to 18,128,735,384,970 would take you about one million, four hundred forty-one thousand and ninety-four 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 18128735384970 cubic inches would be around 2189.1 feet tall.

Recreational maths with 18128735384970

• 18128735384970 backwards is 07948353782181
• The number of decimal digits it has is: 14
• The sum of 18128735384970's digits is 66
• More coming soon!