18281827729968

Names of 18281827729968

• Cardinal: 18281827729968 can be written as Eighteen trillion, two hundred eighty-one billion, eight hundred twenty-seven million, seven hundred twenty-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8281827729968 × 10¹³

Factors of 18281827729968

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2243

Divisors of 18281827729968

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 19 22 23 24 33 38 44 46 48 57 66 69 71 76 88 92 114 132 138 142 152 176 184 209 213 228 253 264 276 284 304 368 418 426 437 456 506 528 552 568 627 759 781 836 852 874 912 1012 1021 1093 1104 1136 1254 1311 1349 1518 1562 1633 1672 1704 1748 2024 2042 2186 2343 2508 2622 2698 3036 3063 3124 3266 3279 3344 3408 3496 4047 4048 4084 4372 4686 4807 4899 5016 5244 5396 6072 6126 6248 6532 6558 6992 8094 8168 8744 9372 9614 9798 10032 10488 10792 11231 12023 12144 12252 12496 13064 13116 14421 14839 16188 16336 17488 17963 18744 19228 19399 19596 20767 20976 21584 22462 23483 24046 24504 25139 26128 26232 28842 29678 31027 32376 33693 35926 36069 37488 38456 38798 39192 41534 44517 44924 46966 48092 49008 50278 52464 53889 57684 58197 59356 62054 62301 64752 67386 70449 71852 72138 72491 75417 76912 77596 77603 78384 83068 89034 89848 93081 93932 96184 100556 107778 115368 116394 118712 124108 124602 134772 140898 143704 144276 144982 150834 155192 155206 166136 178068 179696 186162 187864 192368 201112 213389 215556 217473 228437 230736 232788 232809 237424 248216 249204 258313 269544 276529 281796 287408 288552 289964 301668 310384 310412 332272 341297 356136 372324 375728 402224 426778 431112 434946 446177 456874 465576 465618 477641 496432 498408 516626 539088 553058 563592 577104 579928 603336 620824 640167 682594 685311 712272 744648 774939 797401 829587 853556 853633 862224 869892 892354 913748 931152 931236 955282 996816 1023891 1033252 1106116 1115953 1127184 1159856 1206672 1241648 1280334 1338531 1365188 1370622 1377329 1432923 1474457 1489296 1549878 1594802 1659174 1667293 1707112 1707266 1739784 1784708 1784869 1827496 1862472 1910564 2047782 2066504 2212232 2231906 2392203 2560668 2560899 2677062 2730376 2741244 2754658 2865846 2948914 3099756 3189604 3318348 3334586 3347859 3414224 3414532 3479568 3569416 3569738 3654992 3724944 3821128 4095564 4131987 4133008 4423371 4424464 4463812 4784406 4907947 5001879 5121336 5121798 5254051 5354124 5354607 5460752 5482488 5509316 5731692 5897828 6199512 6379208 6636696 6669172 6695718 6829064 7138832 7139476 7642256 8191128 8263974 8846742 8927624 9568812 9815894 10003758 10242672 10243596 10508102 10708248 10709214 10964976 11018632 11463384 11795656 12275483 12399024 12758416 13273392 13338344 13391436 13658128 14278952 14723841 15150619 15762153 16219027 16382256 16527948 17693484 17855248 18340223 19137624 19631788 19633559 20007516 20487192 21016204 21203107 21416496 21418428 22037264 22926768 23591312 24550966 25666919 26676688 26782872 28557904 29447682 30301238 31524306 31678567 32438054 33055896 33912511 35386968 36680446 36826449 38275248 39263576 39267118 40015032 40974384 42032408 42406214 42836856 45451857 48657081 49101932 51333838 53565744 55020669 58895364 58900677 60602476 63048612 63357134 63609321 64876108 66111792 67825022 70773936 73360892 73652898 77000757 78527152 78534236 79232663 80030064 84064816 84812428 85673712 90903714 95035701 97314162 98203864 101737533 102667676 110041338 117790728 117801354 121204952 126097224 126714268 127218642 129752216 135650044 146721784 147305796 154001514 157068472 158465326 169624856 181807428 190071402 194628324 196407728 203475066 205335352 220082676 233234177 235581456 235602708 237697989 242409904 252194448 253428536 254437284 259504432 271300088 282336109 293443568 294611592 308003028 314136944 316930652 339249712 348464237 363614856 373037621 380142804 389256648 406950132 410670704 440165352 466468354 471205416 475395978 487671461 506857072 508874568 542600176 564672218 589223184 616006056 633861304 696928474 699702531 727229712 746075242 760285608 778513296 813900264 847008327 871559293 880330704 932936708 942410832 950791956 975342922 1017749136 1045392711 1119112863 1129344436 1232012112 1267722608 1393856948 1399405062 1463014383 1492150484 1505420597 1520571216 1627800528 1694016654 1743118586 1822351249 1865873416 1901583912 1950685844 2090785422 2238225726 2258688872 2614677879 2787713896 2798810124 2926028766 2984300968 3010841194 3388033308 3486237172 3644702498 3731746832 3803167824 3901371688 4181570844 4476451452 4516261791 4517377744 5229355758 5364386071 5467053747 5575427792 5597620248 5852057532 5968601936 6021682388 6776066616 6972474344 7289404996 7802743376 8363141688 8952902904 9032523582 10458711516 10728772142 10934107494 11195240496 11704115064 12043364776 13552133232 13944948688 14578809992 16093158213 16559626567 16726283376 17905805808 18065047164 20045863739 20917423032 21457544284 21868214988 23408230128 24086729552 29157619984 32186316426 33119253134 34624673731 36130094328 40091727478 41834846064 42915088568 43736429976 49678879701 60137591217 64372632852 66238506268 69249347462 72260188656 80183454956 85830177136 87472859952 99357759402 103874021193 120275182434 128745265704 132477012536 138498694924 160366909912 198715518804 207748042386 240550364868 257490531408 264954025072 276997389848 320733819824 380871411041 397431037608 415496084772 481100729736 553994779696 761742822082 794862075216 830992169544 962201459472 1142614233123 1523485644164 1661984339088 2285228466246 3046971288328 4570456932492 6093942576656 9140913864984 18281827729968
• Sum of all divisors σ(n): 57496959959040
• Sum of proper divisors (its aliquot sum) s(n): 39215132229072
• 18281827729968 is an abundant number, because the sum of its proper divisors (39215132229072) is greater than itself. Its abundance is 20933304499104

Bases of 18281827729968

• Binary: 100001010000010010001110110010000001000110000₂
• Hexadecimal: 0x10A091D90230
• Base-36: 6HAK07H2O

Squares and roots of 18281827729968

• 18281827729968 squared (18281827729968²) is 334225225148226915925281024
• 18281827729968 cubed (18281827729968³) is 6110247989169652984690437971296386527232
• The square root of 18281827729968 is 4275725.4039482003
• The cube root of 18281827729968 is 26343.4835749869

Scales and comparisons

• 18,281,827,729,968 seconds is equal to 581,305 years, 29 weeks, 5 days, 8 hours, 32 minutes, 48 seconds.
• To count from 1 to 18,281,827,729,968 would take you about one million, four hundred fifty-three thousand, two hundred sixty-three 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 18281827729968 cubic inches would be around 2195.3 feet tall.

Recreational maths with 18281827729968

• 18281827729968 backwards is 86992772818281
• The number of decimal digits it has is: 14
• The sum of 18281827729968's digits is 78
• More coming soon!