21679122231

Names of 21679122231

• Cardinal: 21679122231 can be written as Twenty-one billion, six hundred seventy-nine million, one hundred twenty-two thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 2.1679122231 × 10¹⁰

Factors of 21679122231

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 316

Divisors of 21679122231

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 27 29 39 87 117 261 271 351 377 783 813 841 1131 2439 2523 3393 3523 7317 7569 7859 10179 10569 10933 22707 23577 31707 32799 70731 73441 95121 98397 102167 212193 220323 227911 295191 306501 660969 683733 919503 954733 1982907 2051199 2129789 2758509 2864199 2962843 6153597 6389367 8592597 8888529 19168101 25777791 26665587 27687257 57504303 61763881 79996761 83061771 185291643 249185313 555874929 747555939 802930453 1667624787 2408791359 7226374077 21679122231
• Sum of all divisors σ(n): 35954252880
• Sum of proper divisors (its aliquot sum) s(n): 14275130649
• 21679122231 is a deficient number, because the sum of its proper divisors (14275130649) is less than itself. Its deficiency is 7403991582

Bases of 21679122231

• Binary: 10100001100001011010010011100110111₂
• Hexadecimal: 0x50C2D2737
• Base-36: 9YJ6TRR

Squares and roots of 21679122231

• 21679122231 squared (21679122231²) is 469984340706638417361
• 21679122231 cubed (21679122231³) is 10188847968835163163089511452391
• The square root of 21679122231 is 147238.3178082391
• The cube root of 21679122231 is 2788.3496460045

Scales and comparisons

• 21,679,122,231 seconds is equal to 689 years, 17 weeks, 18 hours, 23 minutes, 51 seconds.
• To count from 1 to 21,679,122,231 would take you about one thousand, three hundred seventy-eight 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 21679122231 cubic inches would be around 232.4 feet tall.

Recreational maths with 21679122231

• 21679122231 backwards is 13222197612
• The number of decimal digits it has is: 11
• The sum of 21679122231's digits is 36
• More coming soon!