18385297444864

Names of 18385297444864

• Cardinal: 18385297444864 can be written as Eighteen trillion, three hundred eighty-five billion, two hundred ninety-seven million, four hundred forty-four thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8385297444864 × 10¹³

Factors of 18385297444864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 589

Divisors of 18385297444864

• Number of divisors d(n): 351
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 49 56 64 68 98 112 119 128 136 196 224 238 256 272 289 392 448 476 512 544 563 578 784 833 896 952 1024 1088 1126 1156 1568 1666 1792 1904 2023 2048 2176 2252 2312 3136 3332 3584 3808 3941 4046 4096 4352 4504 4624 6272 6664 7168 7616 7882 8092 8704 9008 9248 9571 12544 13328 14161 14336 15232 15764 16184 17408 18016 18496 19142 25088 26656 27587 28322 28672 30464 31528 32368 34816 36032 36992 38284 50176 53312 55174 56644 60928 63056 64736 66997 69632 72064 73984 76568 100352 106624 110348 113288 121856 126112 129472 133994 144128 147968 153136 162707 200704 213248 220696 226576 243712 252224 258944 267988 288256 295936 306272 316969 325414 426496 441392 453152 468979 487424 504448 517888 535976 576512 591872 612544 633938 650828 852992 882784 906304 937958 1008896 1035776 1071952 1138949 1153024 1183744 1225088 1267876 1301656 1705984 1765568 1812608 1875916 2017792 2071552 2143904 2218783 2277898 2306048 2450176 2535752 2603312 3411968 3531136 3625216 3751832 4035584 4143104 4287808 4437566 4555796 4900352 5071504 5206624 5388473 7062272 7250432 7503664 7972643 8071168 8286208 8575616 8875132 9111592 9800704 10143008 10413248 10776946 14124544 14500864 15007328 15531481 15945286 16142336 17151232 17750264 18223184 19601408 20286016 20826496 21553892 28249088 29001728 30014656 31062962 31890572 34302464 35500528 36446368 37719311 39202816 40572032 41652992 43107784 56498176 58003456 60029312 62125924 63781144 68604928 71001056 72892736 75438622 81144064 83305984 86215568 91604041 112996352 120058624 124251848 127562288 137209856 142002112 145785472 150877244 162288128 166611968 172431136 183208082 240117248 248503696 255124576 264035177 274419712 284004224 291570944 301754488 324576256 333223936 344862272 366416164 480234496 497007392 510249152 528070354 568008448 583141888 603508976 641228287 649152512 666447872 689724544 732832328 960468992 994014784 1020498304 1056140708 1136016896 1166283776 1207017952 1282456574 1298305024 1379449088 1465664656 1920937984 1988029568 2040996608 2112281416 2272033792 2332567552 2414035904 2564913148 2758898176 2931329312 3976059136 4081993216 4224562832 4488598009 4544067584 4665135104 4828071808 5129826296 5517796352 5862658624 7952118272 8163986432 8449125664 8977196018 9088135168 9656143616 10259652592 11035592704 11725317248 15904236544 16327972864 16898251328 17954392036 19312287232 20519305184 22071185408 23450634496 31808473088 32655945728 33796502656 35908784072 38624574464 41038610368 46901268992 63616946176 67593005312 71817568144 77249148928 82077220736 93802537984 135186010624 143635136288 154498297856 164154441472 187605075968 270372021248 287270272576 328308882944 375210151936 540744042496 574540545152 656617765888 1081488084992 1149081090304 1313235531776 2298162180608 2626471063552 4596324361216 9192648722432 18385297444864
• Sum of all divisors σ(n): 45513373139697
• Sum of proper divisors (its aliquot sum) s(n): 27128075694833
• 18385297444864 is an abundant number, because the sum of its proper divisors (27128075694833) is greater than itself. Its abundance is 8742778249969

Bases of 18385297444864

• Binary: 100001011100010101001000111111001000000000000₂
• Hexadecimal: 0x10B8A91F9000
• Base-36: 6IM37EK1S

Squares and roots of 18385297444864

• 18385297444864 squared (18385297444864²) is 338019162136122727119978496
• 18385297444864 cubed (18385297444864³) is 6214582837936327311074860160075425644544
• 18385297444864 is a perfect square number. Its square root is 4287808
• The cube root of 18385297444864 is 26393.0888727763

Scales and comparisons

• 18,385,297,444,864 seconds is equal to 584,595 years, 30 weeks, 4 days, 12 hours, 1 minute, 4 seconds.
• To count from 1 to 18,385,297,444,864 would take you about one million, four hundred sixty-one thousand, four hundred eighty-eight 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 18385297444864 cubic inches would be around 2199.4 feet tall.

Recreational maths with 18385297444864

• 18385297444864 backwards is 46844479258381
• The number of decimal digits it has is: 14
• The sum of 18385297444864's digits is 73
• More coming soon!