21999996949824

Names of 21999996949824

• Cardinal: 21999996949824 can be written as Twenty-one trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, nine hundred forty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1999996949824 × 10¹³

Factors of 21999996949824

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 38194439154

Divisors of 21999996949824

• Number of divisors d(n): 42
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 38194439149 76388878298 114583317447 152777756596 229166634894 305555513192 343749952341 458333269788 611111026384 687499904682 916666539576 1222222052768 1374999809364 1833333079152 2444444105536 2749999618728 3666666158304 5499999237456 7333332316608 10999998474912 21999996949824
• Sum of all divisors σ(n): 63059019036650
• Sum of proper divisors (its aliquot sum) s(n): 41059022086826
• 21999996949824 is an abundant number, because the sum of its proper divisors (41059022086826) is greater than itself. Its abundance is 19059025137002

Bases of 21999996949824

• Binary: 101000000001001000110000000001101010101000000₂
• Hexadecimal: 0x14024600D540
• Base-36: 7SQNQ5SG0

Squares and roots of 21999996949824

• 21999996949824 squared (21999996949824²) is 483999865792265303573630976
• 21999996949824 cubed (21999996949824³) is 10647995571145062035831266878996564148224
• The square root of 21999996949824 is 4690415.4346735641
• The cube root of 21999996949824 is 28020.3920115973

Scales and comparisons

• 21,999,996,949,824 seconds is equal to 699,531 years, 44 weeks, 2 days, 7 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,999,996,949,824 would take you about one million, seven hundred forty-eight thousand, eight hundred twenty-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 21999996949824 cubic inches would be around 2335 feet tall.

Recreational maths with 21999996949824

• 21999996949824 backwards is 42894969999912
• The number of decimal digits it has is: 14
• The sum of 21999996949824's digits is 90
• More coming soon!