21311309854332

Names of 21311309854332

• Cardinal: 21311309854332 can be written as Twenty-one trillion, three hundred eleven billion, three hundred nine million, eight hundred fifty-four thousand, three hundred thirty-two.

Scientific notation

• Scientific notation: 2.1311309854332 × 10¹³

Factors of 21311309854332

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 13631462

Divisors of 21311309854332

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 137 274 317 411 548 634 822 951 1233 1268 1644 1902 2466 2853 3804 4932 5706 11412 43429 86858 130287 173716 260574 390861 521148 781722 1563444 13631003 27262006 40893009 54524012 81786018 122679027 163572036 245358054 490716108 1867447411 3734894822 4321027951 5602342233 7469789644 8642055902 11204684466 12963083853 16807026699 17284111804 22409368932 25926167706 33614053398 38889251559 51852335412 67228106796 77778503118 155557006236 591980829287 1183961658574 1775942487861 2367923317148 3551884975722 5327827463583 7103769951444 10655654927166 21311309854332
• Sum of all divisors σ(n): 54434651137776
• Sum of proper divisors (its aliquot sum) s(n): 33123341283444
• 21311309854332 is an abundant number, because the sum of its proper divisors (33123341283444) is greater than itself. Its abundance is 11812031429112

Bases of 21311309854332

• Binary: 100110110000111101101000011011011011001111100₂
• Hexadecimal: 0x1361ED0DB67C
• Base-36: 7JYA3N8N0

Squares and roots of 21311309854332

• 21311309854332 squared (21311309854332²) is 454171927707348211059166224
• 21311309854332 cubed (21311309854332³) is 9678998678510570638553320532626814482368
• The square root of 21311309854332 is 4616417.4263526041
• The cube root of 21311309854332 is 27724.9037957601

Scales and comparisons

• 21,311,309,854,332 seconds is equal to 677,633 years, 38 weeks, 20 hours, 52 minutes, 12 seconds.
• To count from 1 to 21,311,309,854,332 would take you about one million, six hundred ninety-four thousand and eighty-four 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 21311309854332 cubic inches would be around 2310.4 feet tall.

Recreational maths with 21311309854332

• 21311309854332 backwards is 23345890311312
• The number of decimal digits it has is: 14
• The sum of 21311309854332's digits is 45
• More coming soon!