398542990779216363016

Names of 398542990779216363016

• Cardinal: 398542990779216363016 can be written as Three hundred ninety-eight quintillion, five hundred forty-two quadrillion, nine hundred ninety trillion, seven hundred seventy-nine billion, two hundred sixteen million, three hundred sixty-three thousand and sixteen.

Scientific notation

• Scientific notation: 3.98542990779216363016 × 10²⁰

Factors of 398542990779216363016

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 85616

Divisors of 398542990779216363016

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 43 86 172 344 1849 3698 7396 14792 79507 85571 159014 171142 318028 342284 636056 684568 3679553 7359106 14718212 29436424 158220779 316441558 632883116 1265766232 6803493497 7322396041 13606986994 14644792082 27213973988 29289584164 54427947976 58579168328 314863029763 629726059526 1259452119052 2518904238104 13539110279809 27078220559618 54156441119236 108312882238472 582181742031787 1164363484063574 2328726968127148 4657453936254296
• Sum of all divisors σ(n): 398547274075329581720
• Sum of proper divisors (its aliquot sum) s(n): 4283296113218704
• 398542990779216363016 is a deficient number, because the sum of its proper divisors (4283296113218704) is less than itself. Its deficiency is 398538707483103144312

Bases of 398542990779216363016

• Binary: 101011001101011100101001000101000101011011100111110001111111000001000₂
• Hexadecimal: 0x159AE5228ADCF8FE08
• Base-36: 2C3XXVDVFVM1VS

Squares and roots of 398542990779216363016

• 398542990779216363016 squared (398542990779216363016²) is 158836515499242538953822256071882692616256
• 398542990779216363016 cubed (398542990779216363016³) is 63303179932017476131302078569904867192581843245676078078788096
• The square root of 398542990779216363016 is 19963541538.9959394603
• 398542990779216363016 is a perfect cube number. Its cube root is 7359106

Scales and comparisons

• 398,542,990,779,216,363,016 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 398,542,990,779,216,363,016 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 398542990779216363016 cubic inches would be around 613258.8 feet tall.

Recreational maths with 398542990779216363016

• 398542990779216363016 backwards is 610363612977099245893
• The number of decimal digits it has is: 21
• The sum of 398542990779216363016's digits is 100
• More coming soon!