21103309232

Names of 21103309232

• Cardinal: 21103309232 can be written as Twenty-one billion, one hundred three million, three hundred nine thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 2.1103309232 × 10¹⁰

Factors of 21103309232

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 110615

Divisors of 21103309232

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 23 46 92 184 368 521 1042 2084 4168 8336 11983 23966 47932 95864 110069 191728 220138 440276 880552 1761104 2531587 5063174 10126348 20252696 40505392 57345949 114691898 229383796 458767592 917535184 1318956827 2637913654 5275827308 10551654616 21103309232
• Sum of all divisors σ(n): 42747665760
• Sum of proper divisors (its aliquot sum) s(n): 21644356528
• 21103309232 is an abundant number, because the sum of its proper divisors (21644356528) is greater than itself. Its abundance is 541047296

Bases of 21103309232

• Binary: 10011101001110110101111000110110000₂
• Hexadecimal: 0x4E9DAF1B0
• Base-36: 9P0D5M8

Squares and roots of 21103309232

• 21103309232 squared (21103309232²) is 445349660541416429824
• 21103309232 cubed (21103309232³) is 9398351602771739461861299335168
• The square root of 21103309232 is 145269.7808630549
• The cube root of 21103309232 is 2763.4409418273

Scales and comparisons

• 21,103,309,232 seconds is equal to 671 years, 1 week, 6 hours, 20 minutes, 32 seconds.
• To count from 1 to 21,103,309,232 would take you about one thousand, three hundred forty-two 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 21103309232 cubic inches would be around 230.3 feet tall.

Recreational maths with 21103309232

• 21103309232 backwards is 23290330112
• The number of decimal digits it has is: 11
• The sum of 21103309232's digits is 26
• More coming soon!