18558428438931408

Names of 18558428438931408

• Cardinal: 18558428438931408 can be written as Eighteen quadrillion, five hundred fifty-eight trillion, four hundred twenty-eight billion, four hundred thirty-eight million, nine hundred thirty-one thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.8558428438931408 × 10¹⁶

Factors of 18558428438931408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 224917932605

Divisors of 18558428438931408

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 191 216 382 432 573 764 1146 1528 1719 2292 3056 3438 4584 5157 6876 9168 10314 13752 20628 27504 41256 82512 224917932409 449835864818 674753797227 899671729636 1349507594454 1799343459272 2024261391681 2699015188908 3598686918544 4048522783362 5398030377816 6072784175043 8097045566724 10796060755632 12145568350086 16194091133448 24291136700172 32388182266896 42959325090119 48582273400344 85918650180238 97164546800688 128877975270357 171837300360476 257755950540714 343674600720952 386633925811071 515511901081428 687349201441904 773267851622142 1031023802162856 1159901777433213 1546535703244284 2062047604325712 2319803554866426 3093071406488568 4639607109732852 6186142812977136 9279214219465704 18558428438931408
• Sum of all divisors σ(n): 53548461348172800
• Sum of proper divisors (its aliquot sum) s(n): 34990032909241392
• 18558428438931408 is an abundant number, because the sum of its proper divisors (34990032909241392) is greater than itself. Its abundance is 16431604470309984

Bases of 18558428438931408

• Binary: 1000001111011101100101011010110101100010010011111010000₂
• Hexadecimal: 0x41EECAD6B127D0
• Base-36: 52QEWBS47O0

Squares and roots of 18558428438931408

• 18558428438931408 squared (18558428438931408²) is 344415266122938057274028928862464
• 18558428438931408 cubed (18558428438931408³) is 6391806069618062780415844722285319624925161869312
• The square root of 18558428438931408 is 136229322.9775858793
• The cube root of 18558428438931408 is 264756.7647724607

Scales and comparisons

• 18,558,428,438,931,408 seconds is equal to 590,100,619 years, 19 weeks, 1 day, 14 hours, 16 minutes, 48 seconds.
• To count from 1 to 18,558,428,438,931,408 would take you about one billion, seven hundred seventy million, three hundred one thousand, eight hundred fifty-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 18558428438931408 cubic inches would be around 22063.1 feet tall.

Recreational maths with 18558428438931408

• 18558428438931408 backwards is 80413983482485581
• The number of decimal digits it has is: 17
• The sum of 18558428438931408's digits is 81
• More coming soon!