1218001819744458

Names of 1218001819744458

• Cardinal: 1218001819744458 can be written as One quadrillion, two hundred eighteen trillion, one billion, eight hundred nineteen million, seven hundred forty-four thousand, four hundred fifty-eight.

Scientific notation

• Scientific notation: 1.218001819744458 × 10¹⁵

Factors of 1218001819744458

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 38057

Divisors of 1218001819744458

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 3989 7978 11967 12479 21577 23934 24958 27923 35901 37437 43154 55846 64731 71802 74874 83769 87353 107703 112311 129462 151039 167538 174706 194193 215406 224622 251307 262059 302078 323109 336933 388386 453117 502614 524118 582579 646218 673866 753921 786177 906234 1010799 1165158 1359351 1507842 1572354 1747737 2021598 2261763 2358531 2718702 3495474 4078053 4523526 4717062 7075593 8156106 12234159 14151186 24468318 49778731 86070653 99557462 149336193 172141306 258211959 269259383 298672386 348451117 448008579 516423918 538518766 602494571 696902234 774635877 807778149 896017158 1045353351 1204989142 1344025737 1549271754 1615556298 1807483713 1884815681 2090706702 2323907631 2423334447 2688051474 3136060053 3614967426 3769631362 4032077211 4647815262 4846668894 5422451139 5654447043 6272120106 6971722893 7270003341 8064154422 9408180159 10844902278 11308894086 13943445786 14540006682 16267353417 16963341129 18816360318 21810010023 28224540477 32534706834 33926682258 43620020046 48802060251 50890023387 56449080954 97604120502 101780046774 152670070161 305340140322 1074075678787 2148151357574 3222227036361 6444454072722 7518529751509 9666681109083 15037059503018 19333362218166 22555589254527 29000043327249 45111178509054 58000086654498 67666767763581 87000129981747 135333535527162 174000259963494 203000303290743 406000606581486 609000909872229 1218001819744458
• Sum of all divisors σ(n): 3120292317542400
• Sum of proper divisors (its aliquot sum) s(n): 1902290497797942
• 1218001819744458 is an abundant number, because the sum of its proper divisors (1902290497797942) is greater than itself. Its abundance is 684288678053484

Bases of 1218001819744458

• Binary: 100010100111100010000100101110011010011100011001010₂
• Hexadecimal: 0x453C425CD38CA
• Base-36: BZQUB7LMMI

Squares and roots of 1218001819744458

• 1218001819744458 squared (1218001819744458²) is 1483528432900811157892421713764
• 1218001819744458 cubed (1218001819744458³) is 1806940330915832046988937926661925820901319912
• The square root of 1218001819744458 is 34899882.8041650879
• The cube root of 1218001819744458 is 106794.6046613629

Scales and comparisons

• 1,218,001,819,744,458 seconds is equal to 38,728,690 years, 17 weeks, 5 days, 1 hour, 54 minutes, 18 seconds.
• To count from 1 to 1,218,001,819,744,458 would take you about one hundred sixteen million, one hundred eighty-six thousand and seventy-one 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 1218001819744458 cubic inches would be around 8899.6 feet tall.

Recreational maths with 1218001819744458

• 1218001819744458 backwards is 8544479181008121
• 1218001819744458 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1218001819744458's digits is 63
• More coming soon!