18307872560749728

Names of 18307872560749728

• Cardinal: 18307872560749728 can be written as Eighteen quadrillion, three hundred seven trillion, eight hundred seventy-two billion, five hundred sixty million, seven hundred forty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8307872560749728 × 10¹⁶

Factors of 18307872560749728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 542571

Divisors of 18307872560749728

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 251 264 352 502 528 753 1004 1056 1506 2008 2761 3012 4016 5522 6024 8032 8283 11044 12048 16566 22088 24096 33132 44176 66264 88352 132528 204431 265056 337873 408862 613293 675746 817724 1013619 1226586 1351492 1635448 2027238 2248741 2453172 2702984 3270896 3716603 4054476 4497482 4906344 5405968 6541792 6746223 7433206 8108952 8994964 9812688 10811936 11149809 13492446 14866412 16217904 17989928 19625376 22299618 26984892 29732824 32435808 35979856 44599236 51312181 53969784 59465648 71959712 84806123 89198472 102624362 107939568 118931296 153936543 169612246 178396944 205248724 215879136 254418369 307873086 339224492 356793888 410497448 508836738 564433991 615746172 678448984 820994896 932867353 1017673476 1128867982 1231492344 1356897968 1641989792 1693301973 1865734706 2035346952 2257735964 2462984688 2713795936 2798602059 3386603946 3731469412 4070693904 4515471928 4925969376 5597204118 6773207892 7462938824 8141387808 9030943856 11194408236 13546415784 14925877648 18061887712 22388816472 27092831568 29851755296 44777632944 54185663136 69071715263 89555265888 138143430526 207215145789 276286861052 414430291578 552573722104 759788867893 828860583156 1105147444208 1519577735786 1657721166312 2210294888416 2279366603679 3039155471572 3315442332624 4558733207358 6078310943144 6630884665248 9117466414716 12156621886288 17337000531013 18234932829432 24313243772576 34674001062026 36469865658864 52011001593039 69348002124052 72939731317728 104022003186078 138696004248104 190707005841143 208044006372156 277392008496208 381414011682286 416088012744312 554784016992416 572121017523429 762828023364572 832176025488624 1144242035046858 1525656046729144 1664352050977248 2288484070093716 3051312093458288 4576968140187432 6102624186916576 9153936280374864 18307872560749728
• Sum of all divisors σ(n): 52636375735179264
• Sum of proper divisors (its aliquot sum) s(n): 34328503174429536
• 18307872560749728 is an abundant number, because the sum of its proper divisors (34328503174429536) is greater than itself. Its abundance is 16020630613679808

Bases of 18307872560749728

• Binary: 1000001000010101110100111000000100100111001110010100000₂
• Hexadecimal: 0x410AE9C0939CA0
• Base-36: 509LKJNEPPC

Squares and roots of 18307872560749728

• 18307872560749728 squared (18307872560749728²) is 335178197700652802957889452073984
• 18307872560749728 cubed (18307872560749728³) is 6136399728645329025165546159794739306603563876352
• The square root of 18307872560749728 is 135306587.2777439023
• The cube root of 18307872560749728 is 263559.8754015233

Scales and comparisons

• 18,307,872,560,749,728 seconds is equal to 582,133,717 years, 24 weeks, 19 hours, 48 minutes, 48 seconds.
• To count from 1 to 18,307,872,560,749,728 would take you about one billion, seven hundred forty-six million, four hundred one thousand, one hundred fifty-two 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 18307872560749728 cubic inches would be around 21963.3 feet tall.

Recreational maths with 18307872560749728

• 18307872560749728 backwards is 82794706527870381
• The number of decimal digits it has is: 17
• The sum of 18307872560749728's digits is 84
• More coming soon!