21398638268098

Names of 21398638268098

• Cardinal: 21398638268098 can be written as Twenty-one trillion, three hundred ninety-eight billion, six hundred thirty-eight million, two hundred sixty-eight thousand and ninety-eight.

Scientific notation

• Scientific notation: 2.1398638268098 × 10¹³

Factors of 21398638268098

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 38867

Divisors of 21398638268098

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 13 14 26 91 182 967 1934 3541 6769 7082 12571 13538 24787 25142 34337 46033 49574 68674 87997 92066 175994 240359 322231 446381 480718 644462 892762 3124667 3424147 6249334 6848294 23969029 33203879 44513911 47938058 66407758 89027822 121587317 232427153 243174634 311597377 431650427 464854306 623194754 851111219 863300854 1580635121 1702222438 3021552989 3161270242 6043105978 11064445847 22128891694 117574935539 235149871078 823024548773 1528474162007 1646049097546 3056948324014 10699319134049 21398638268098
• Sum of all divisors σ(n): 39558351748608
• Sum of proper divisors (its aliquot sum) s(n): 18159713480510
• 21398638268098 is a deficient number, because the sum of its proper divisors (18159713480510) is less than itself. Its deficiency is 3238924787588

Bases of 21398638268098

• Binary: 100110111011001000010001110111000111011000010₂
• Hexadecimal: 0x1376423B8EC2
• Base-36: 7L2ECQ7YA

Squares and roots of 21398638268098

• 21398638268098 squared (21398638268098²) is 457901719728908172924537604
• 21398638268098 cubed (21398638268098³) is 9798473262818899383534404850106034557192
• The square root of 21398638268098 is 4625866.2181366637
• The cube root of 21398638268098 is 27762.7220915585

Scales and comparisons

• 21,398,638,268,098 seconds is equal to 680,410 years, 26 weeks, 2 days, 9 hours, 34 minutes, 58 seconds.
• To count from 1 to 21,398,638,268,098 would take you about one million, seven hundred one thousand and twenty-six 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 21398638268098 cubic inches would be around 2313.6 feet tall.

Recreational maths with 21398638268098

• 21398638268098 backwards is 89086283689312
• The number of decimal digits it has is: 14
• The sum of 21398638268098's digits is 73
• More coming soon!