21240890722446

Names of 21240890722446

• Cardinal: 21240890722446 can be written as Twenty-one trillion, two hundred forty billion, eight hundred ninety million, seven hundred twenty-two thousand, four hundred forty-six.

Scientific notation

• Scientific notation: 2.1240890722446 × 10¹³

Factors of 21240890722446

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 30945

Divisors of 21240890722446

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 67 134 201 402 1093 1723 2186 3279 3446 5169 6558 10338 28057 56114 73231 84171 115441 146462 168342 219693 230882 346323 439386 692646 1879819 1883239 3759638 3766478 5639457 5649717 11278914 11299434 30666301 48342211 61332602 91998903 96684422 126177013 145026633 183997806 252354026 290053266 378531039 757062078 2054642167 3238928137 4109284334 6163926501 6477856274 9716784411 12327853002 19433568822 52838036623 105676073246 158514109869 317028219738 3540148453741 7080296907482 10620445361223 21240890722446
• Sum of all divisors σ(n): 43181870746368
• Sum of proper divisors (its aliquot sum) s(n): 21940980023922
• 21240890722446 is an abundant number, because the sum of its proper divisors (21940980023922) is greater than itself. Its abundance is 700089301476

Bases of 21240890722446

• Binary: 100110101000110000111101111110000100010001110₂
• Hexadecimal: 0x135187BF088E
• Base-36: 7J1XHWUQ6

Squares and roots of 21240890722446

• 21240890722446 squared (21240890722446²) is 451175438682892555808222916
• 21240890722446 cubed (21240890722446³) is 9583368189714956634442319427662652772536
• The square root of 21240890722446 is 4608784.0828624203
• The cube root of 21240890722446 is 27694.3328918571

Scales and comparisons

• 21,240,890,722,446 seconds is equal to 675,394 years, 32 weeks, 2 days, 14 hours, 54 minutes, 6 seconds.
• To count from 1 to 21,240,890,722,446 would take you about one million, six hundred eighty-eight thousand, four hundred eighty-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 21240890722446 cubic inches would be around 2307.9 feet tall.

Recreational maths with 21240890722446

• 21240890722446 backwards is 64422709804212
• The number of decimal digits it has is: 14
• The sum of 21240890722446's digits is 51
• More coming soon!