218318470021728

Names of 218318470021728

• Cardinal: 218318470021728 can be written as Two hundred eighteen trillion, three hundred eighteen billion, four hundred seventy million, twenty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.18318470021728 × 10¹⁴

Factors of 218318470021728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4265132

Divisors of 218318470021728

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 193 216 288 307 386 432 579 614 772 864 921 1158 1228 1544 1737 1842 2316 2456 2763 3088 3474 3684 4632 4912 5211 5526 6176 6948 7368 8289 9264 9824 10422 11052 13896 14736 16578 18528 20844 22104 27792 29472 33156 41688 44208 55584 59251 66312 83376 88416 118502 132624 166752 177753 237004 265248 355506 474008 533259 711012 948016 1066518 1422024 1599777 1896032 2133036 2844048 3199554 4264627 4266072 5688096 6399108 8529254 8532144 12793881 12798216 17058508 17064288 25587762 25596432 34117016 38381643 51175524 51192864 68234032 76763286 102351048 115144929 136468064 153526572 204702096 230289858 307053144 409404192 460579716 614106288 823073011 921159432 1228212576 1309240489 1646146022 1842318864 2469219033 2618480978 3292292044 3684637728 3927721467 4938438066 5236961956 6584584088 7407657099 7855442934 9876876132 10473923912 11783164401 13169168176 14815314198 15710885868 19753752264 20947847824 22222971297 23566328802 26338336352 29630628396 31421771736 35349493203 39507504528 41895695648 44445942594 47132657604 59261256792 62843543472 70698986406 79015009056 88891885188 94265315208 118522513584 125687086944 141397972812 177783770376 188530630416 237045027168 252683414377 282795945624 355567540752 377061260832 505366828754 565591891248 711135081504 758050243131 1010733657508 1131183782496 1516100486262 2021467315016 2274150729393 3032200972524 4042934630032 4548301458786 6064401945048 6822452188179 8085869260064 9096602917572 12128803890096 13644904376358 18193205835144 24257607780192 27289808752716 36386411670288 54579617505432 72772823340576 109159235010864 218318470021728
• Sum of all divisors σ(n): 642146531685120
• Sum of proper divisors (its aliquot sum) s(n): 423828061663392
• 218318470021728 is an abundant number, because the sum of its proper divisors (423828061663392) is greater than itself. Its abundance is 205509591641664

Bases of 218318470021728

• Binary: 110001101000111100111010110110101000001001100000₂
• Hexadecimal: 0xC68F3ADA8260
• Base-36: 25DY4C8GO0

Squares and roots of 218318470021728

• 218318470021728 squared (218318470021728²) is 47662954352628147432792105984
• 218318470021728 cubed (218318470021728³) is 10405703270981238298635504793924431358820352
• The square root of 218318470021728 is 14775603.8801034457
• The cube root of 218318470021728 is 60213.9096217653

Scales and comparisons

• 218,318,470,021,728 seconds is equal to 6,941,852 years, 2 weeks, 1 day, 18 hours, 28 minutes, 48 seconds.
• To count from 1 to 218,318,470,021,728 would take you about seventeen million, three hundred fifty-four thousand, six hundred thirty 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 218318470021728 cubic inches would be around 5017.8 feet tall.

Recreational maths with 218318470021728

• 218318470021728 backwards is 827120074813812
• 218318470021728 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 218318470021728's digits is 54
• More coming soon!