18157193790450

Names of 18157193790450

• Cardinal: 18157193790450 can be written as Eighteen trillion, one hundred fifty-seven billion, one hundred ninety-three million, seven hundred ninety thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.815719379045 × 10¹³

Factors of 18157193790450

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 27977

Divisors of 18157193790450

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 10 11 13 15 22 25 26 30 33 39 50 55 65 66 75 78 97 110 130 143 150 165 194 195 275 286 291 317 325 330 390 429 485 550 582 634 650 715 825 858 951 970 975 1067 1261 1430 1455 1585 1650 1902 1950 2134 2145 2425 2522 2910 3170 3201 3487 3575 3783 4121 4290 4755 4850 5335 6305 6402 6974 7150 7275 7566 7925 8242 9510 10461 10670 10725 12363 12610 13871 14550 15850 16005 17435 18915 20605 20922 21450 23775 24726 26675 27529 27742 30749 31525 32010 34870 37830 41210 41613 45331 47550 52305 53350 55058 61498 61815 63050 69355 80025 82587 83226 87175 90662 92247 94575 103025 104610 123630 135993 137645 138710 153745 160050 165174 174350 184494 189150 206050 208065 226655 261525 271986 275290 302819 307490 309075 338239 346775 357877 399737 412935 416130 453310 461235 523050 605638 618150 676478 679965 688225 693550 715754 768725 799474 825870 908457 922470 1014717 1040325 1073631 1133275 1199211 1359930 1376450 1514095 1537450 1691195 1789385 1816914 1998685 2029434 2064675 2080650 2147262 2266550 2306175 2398422 2670313 3028190 3382390 3399825 3578770 3936647 3997370 4129350 4397107 4542285 4612350 5073585 5340626 5368155 5996055 6799650 7570475 7873294 8010939 8455975 8726693 8794214 8946925 9084570 9993425 10147170 10736310 11809941 11992110 13191321 13351565 15140950 16021878 16911950 17453386 17893850 19683235 19986850 21985535 22711425 23619882 25367925 26180079 26382642 26703130 26840775 29373443 29980275 34714069 39366470 40054695 43633465 43971070 45422850 50735850 52360158 53681550 58746886 59049705 59960550 65956605 66757825 69428138 80109390 87266930 88120329 95993623 98416175 104142207 109927675 113447009 118099410 130900395 131913210 133515650 146867215 173570345 176240658 191987246 196832350 200273475 208284414 218167325 219855350 226894018 261800790 287980869 293734430 295248525 329783025 340341027 347140690 381854759 400546950 436334650 440601645 479968115 520711035 567235045 575961738 590497050 654501975 659566050 680682054 734336075 763709518 846489221 867851725 881203290 959936230 1041422070 1134470090 1145564277 1247917099 1309003950 1439904345 1468672150 1692978442 1701705135 1735703450 1909273795 2203008225 2291128554 2399840575 2495834198 2539467663 2603555175 2836175225 2879808690 3403410270 3743751297 3818547590 4232446105 4406016450 4799681150 5078935326 5207110350 5672350450 5727821385 6239585495 7199521725 7487502594 8464892210 8508525675 9311381431 9546368975 11004359873 11455642770 12479170990 12697338315 14399043450 17017051350 18622762862 18718756485 19092737950 21162230525 22008719746 25394676630 27934144293 28639106925 31197927475 33013079619 37437512970 42324461050 46556907155 55021799365 55868288586 57278213850 62395854950 63486691575 66026159238 93113814310 93593782425 110043598730 121047958603 126973383150 139670721465 165065398095 187187564850 232784535775 242095917206 275108996825 279341442930 330130796190 363143875809 465569071550 550217993650 605239793015 698353607325 726287751618 825326990475 1210479586030 1396707214650 1650653980950 1815719379045 3026198965075 3631438758090 6052397930150 9078596895225 18157193790450
• Sum of all divisors σ(n): 53618125720320
• Sum of proper divisors (its aliquot sum) s(n): 35460931929870
• 18157193790450 is an abundant number, because the sum of its proper divisors (35460931929870) is greater than itself. Its abundance is 17303738139420

Bases of 18157193790450

• Binary: 100001000001110001101000101100000001111110010₂
• Hexadecimal: 0x10838D1603F2
• Base-36: 6FPASDLV6

Squares and roots of 18157193790450

• 18157193790450 squared (18157193790450²) is 329683686343956038511202500
• 18157193790450 cubed (18157193790450³) is 5986130582497144045343387095762516125000
• The square root of 18157193790450 is 4261125.8829621545
• The cube root of 18157193790450 is 26283.4826146305

Scales and comparisons

• 18,157,193,790,450 seconds is equal to 577,342 years, 31 weeks, 21 hours, 47 minutes, 30 seconds.
• To count from 1 to 18,157,193,790,450 would take you about one million, four hundred forty-three thousand, three hundred fifty-six 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 18157193790450 cubic inches would be around 2190.3 feet tall.

Recreational maths with 18157193790450

• 18157193790450 backwards is 05409739175181
• The number of decimal digits it has is: 14
• The sum of 18157193790450's digits is 60
• More coming soon!