21023677017

Names of 21023677017

• Cardinal: 21023677017 can be written as Twenty-one billion, twenty-three million, six hundred seventy-seven thousand and seventeen.

Scientific notation

• Scientific notation: 2.1023677017 × 10¹⁰

Factors of 21023677017

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 274

Divisors of 21023677017

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 7 9 21 49 63 71 147 193 213 343 441 497 579 639 1029 1351 1491 1737 2401 3087 3479 4053 4473 5041 7203 9457 10437 12159 13703 15123 21609 24353 28371 31311 35287 41109 45369 66199 73059 85113 95921 105861 123327 170471 198597 219177 247009 287763 317583 463393 511413 595791 671447 741027 863289 972913 1390179 1534239 1729063 2014341 2223081 2918739 4170537 4700129 5187189 6043023 6810391 8756217 12103441 14100387 15561567 20431173 32900903 36310323 42301161 47672737 61293519 98702709 108930969 143018211 296108127 333709159 429054633 1001127477 2335964113 3003382431 7007892339 21023677017
• Sum of all divisors σ(n): 36118855786
• Sum of proper divisors (its aliquot sum) s(n): 15095178769
• 21023677017 is a deficient number, because the sum of its proper divisors (15095178769) is less than itself. Its deficiency is 5928498248

Bases of 21023677017

• Binary: 10011100101000110111101101001011001₂
• Hexadecimal: 0x4E51BDA59
• Base-36: 9NOYD09

Squares and roots of 21023677017

• 21023677017 squared (21023677017²) is 441994995315134018289
• 21023677017 cubed (21023677017³) is 9292360024635805732577306963913
• The square root of 21023677017 is 144995.4379178877
• The cube root of 21023677017 is 2759.9606614589

Scales and comparisons

• 21,023,677,017 seconds is equal to 668 years, 25 weeks, 2 days, 14 hours, 16 minutes, 57 seconds.
• To count from 1 to 21,023,677,017 would take you about one thousand, three hundred thirty-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 21023677017 cubic inches would be around 230 feet tall.

Recreational maths with 21023677017

• 21023677017 backwards is 71077632012
• The number of decimal digits it has is: 11
• The sum of 21023677017's digits is 36
• More coming soon!