18813532978054320

Names of 18813532978054320

• Cardinal: 18813532978054320 can be written as Eighteen quadrillion, eight hundred thirteen trillion, five hundred thirty-two billion, nine hundred seventy-eight million, fifty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.881353297805432 × 10¹⁶

Factors of 18813532978054320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7126338249284

Divisors of 18813532978054320

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 7126338249263 14252676498526 21379014747789 28505352997052 35631691246315 42758029495578 57010705994104 71263382492630 78389720741893 85516058991156 106895073738945 114021411988208 142526764985260 156779441483786 171032117982312 213790147477890 235169162225679 285053529970520 313558882967572 342064235964624 391948603709465 427580294955780 470338324451358 570107059941040 627117765935144 783897207418930 855160589911560 940676648902716 1175845811128395 1254235531870288 1567794414837860 1710321179823120 1881353297805432 2351691622256790 3135588829675720 3762706595610864 4703383244513580 6271177659351440 9406766489027160 18813532978054320
• Sum of all divisors σ(n): 63623947889428992
• Sum of proper divisors (its aliquot sum) s(n): 44810414911374672
• 18813532978054320 is an abundant number, because the sum of its proper divisors (44810414911374672) is greater than itself. Its abundance is 25996881933320352

Bases of 18813532978054320

• Binary: 1000010110101101100111011111110001000001000010010110000₂
• Hexadecimal: 0x42D6CEFE2084B0
• Base-36: 558U9QG3UEO

Squares and roots of 18813532978054320

• 18813532978054320 squared (18813532978054320²) is 353949023116337450706732870662400
• 18813532978054320 cubed (18813532978054320³) is 6659031618949325470383247719166060834161581568000
• The square root of 18813532978054320 is 137162432.8234751017
• The cube root of 18813532978054320 is 265964.3656358607

Scales and comparisons

• 18,813,532,978,054,320 seconds is equal to 598,212,154 years, 32 weeks, 3 days, 52 minutes.
• To count from 1 to 18,813,532,978,054,320 would take you about one billion, seven hundred ninety-four million, six hundred thirty-six thousand, four hundred sixty-three 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 18813532978054320 cubic inches would be around 22163.7 feet tall.

Recreational maths with 18813532978054320

• 18813532978054320 backwards is 02345087923531881
• The number of decimal digits it has is: 17
• The sum of 18813532978054320's digits is 69
• More coming soon!