18198468546540

Names of 18198468546540

• Cardinal: 18198468546540 can be written as Eighteen trillion, one hundred ninety-eight billion, four hundred sixty-eight million, five hundred forty-six thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.819846854654 × 10¹³

Factors of 18198468546540

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1269070580

Divisors of 18198468546540

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 239 478 717 956 1195 1434 2390 2868 3585 4780 7170 14340 1269070331 2538140662 3807210993 5076281324 6345351655 7614421986 12690703310 15228843972 19036054965 25381406620 38072109930 76144219860 303307809109 606615618218 909923427327 1213231236436 1516539045545 1819846854654 3033078091090 3639693709308 4549617136635 6066156182180 9099234273270 18198468546540
• Sum of all divisors σ(n): 51168915786240
• Sum of proper divisors (its aliquot sum) s(n): 32970447239700
• 18198468546540 is an abundant number, because the sum of its proper divisors (32970447239700) is greater than itself. Its abundance is 14771978693160

Bases of 18198468546540

• Binary: 100001000110100101001010000001100111111101100₂
• Hexadecimal: 0x108D2940CFEC
• Base-36: 6G89EAVHO

Squares and roots of 18198468546540

• 18198468546540 squared (18198468546540²) is 331184257439405700145971600
• 18198468546540 cubed (18198468546540³) is 6027046292120230634056850849288118264000
• The square root of 18198468546540 is 4265966.3086503625
• The cube root of 18198468546540 is 26303.3833284371

Scales and comparisons

• 18,198,468,546,540 seconds is equal to 578,655 years, 2 days, 23 hours, 49 minutes.
• To count from 1 to 18,198,468,546,540 would take you about one million, four hundred forty-six thousand, six hundred thirty-seven 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 18198468546540 cubic inches would be around 2191.9 feet tall.

Recreational maths with 18198468546540

• 18198468546540 backwards is 04564586489181
• The number of decimal digits it has is: 14
• The sum of 18198468546540's digits is 69
• More coming soon!