20549744721

Names of 20549744721

• Cardinal: 20549744721 can be written as Twenty billion, five hundred forty-nine million, seven hundred forty-four thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 2.0549744721 × 10¹⁰

Factors of 20549744721

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 710

Divisors of 20549744721

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 17 31 33 51 61 93 99 121 153 183 187 279 341 363 527 549 561 587 671 1023 1037 1089 1581 1683 1761 1891 2013 2057 3069 3111 3751 4743 5283 5673 5797 6039 6171 6457 7381 9333 9979 11253 11407 17019 17391 18197 18513 19371 20801 22143 29937 32147 33759 34221 35807 52173 54591 58113 62403 63767 66429 71027 89811 96441 102663 107421 109769 125477 163773 187209 191301 200167 213081 228811 289323 309349 322263 329307 353617 376431 393877 573903 600501 608719 639243 686433 928047 987921 1060851 1110017 1129293 1181631 1207459 1801503 1826157 2059299 2201837 2784141 3182553 3330051 3402839 3544893 3622377 3889787 4332647 5478471 6605511 6695909 9990153 10208517 10867131 11669361 12210187 12997941 18870289 19816533 20087727 30625551 35008083 36630561 37431229 38993823 56610867 60263181 73654999 109891683 112293687 134312057 169832601 207573179 220964997 336881061 402936171 622719537 662894991 1208808513 1868158611 2283304969 6849914907 20549744721
• Sum of all divisors σ(n): 36306676224
• Sum of proper divisors (its aliquot sum) s(n): 15756931503
• 20549744721 is a deficient number, because the sum of its proper divisors (15756931503) is less than itself. Its deficiency is 4792813218

Bases of 20549744721

• Binary: 10011001000110111000011100001010001₂
• Hexadecimal: 0x4C8DC3851
• Base-36: 9FUSCI9

Squares and roots of 20549744721

• 20549744721 squared (20549744721²) is 422292008098267367841
• 20549744721 cubed (20549744721³) is 8677992964137859091537154917361
• The square root of 20549744721 is 143351.8214777893
• The cube root of 20549744721 is 2739.0637716803

Scales and comparisons

• 20,549,744,721 seconds is equal to 653 years, 21 weeks, 5 days, 6 hours, 25 minutes, 21 seconds.
• To count from 1 to 20,549,744,721 would take you about one thousand, three hundred 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 20549744721 cubic inches would be around 228.3 feet tall.

Recreational maths with 20549744721

• 20549744721 backwards is 12744794502
• The number of decimal digits it has is: 11
• The sum of 20549744721's digits is 45
• More coming soon!