21214205824

Names of 21214205824

• Cardinal: 21214205824 can be written as Twenty-one billion, two hundred fourteen million, two hundred five thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1214205824 × 10¹⁰

Factors of 21214205824

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3382376

Divisors of 21214205824

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 392 448 784 896 1568 3136 6272 3382367 6764734 13529468 23676569 27058936 47353138 54117872 94706276 108235744 165735983 189412552 216471488 331471966 378825104 432942976 662943932 757650208 1325887864 1515300416 2651775728 3030600832 5303551456 10607102912 21214205824
• Sum of all divisors σ(n): 49162718880
• Sum of proper divisors (its aliquot sum) s(n): 27948513056
• 21214205824 is an abundant number, because the sum of its proper divisors (27948513056) is greater than itself. Its abundance is 6734307232

Bases of 21214205824

• Binary: 10011110000011101110001011110000000₂
• Hexadecimal: 0x4F0771780
• Base-36: 9QUE1Z4

Squares and roots of 21214205824

• 21214205824 squared (21214205824²) is 450042528743035518976
• 21214205824 cubed (21214205824³) is 9547294834308191506099521716224
• The square root of 21214205824 is 145650.9726160453
• The cube root of 21214205824 is 2768.2730582529

Scales and comparisons

• 21,214,205,824 seconds is equal to 674 years, 28 weeks, 2 days, 18 hours, 57 minutes, 4 seconds.
• To count from 1 to 21,214,205,824 would take you about one thousand, three hundred forty-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 21214205824 cubic inches would be around 230.7 feet tall.

Recreational maths with 21214205824

• 21214205824 backwards is 42850241212
• The number of decimal digits it has is: 11
• The sum of 21214205824's digits is 31
• More coming soon!