21678009048

Names of 21678009048

• Cardinal: 21678009048 can be written as Twenty-one billion, six hundred seventy-eight million, nine thousand and forty-eight.

Scientific notation

• Scientific notation: 2.1678009048 × 10¹⁰

Factors of 21678009048

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2447879

Divisors of 21678009048

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 41 54 72 82 108 123 164 216 246 328 369 492 738 984 1107 1476 2214 2952 4428 8856 2447833 4895666 7343499 9791332 14686998 19582664 22030497 29373996 44060994 58747992 66091491 88121988 100361153 132182982 176243976 200722306 264365964 301083459 401444612 528731928 602166918 802889224 903250377 1204333836 1806500754 2408667672 2709751131 3613001508 5419502262 7226003016 10839004524 21678009048
• Sum of all divisors σ(n): 61685416800
• Sum of proper divisors (its aliquot sum) s(n): 40007407752
• 21678009048 is an abundant number, because the sum of its proper divisors (40007407752) is greater than itself. Its abundance is 18329398704

Bases of 21678009048

• Binary: 10100001100000111000010101011011000₂
• Hexadecimal: 0x50C1C2AD8
• Base-36: 9YIIYU0

Squares and roots of 21678009048

• 21678009048 squared (21678009048²) is 469936076285169866304
• 21678009048 cubed (21678009048³) is 10187278513691530589955062318592
• The square root of 21678009048 is 147234.5375514863
• The cube root of 21678009048 is 2788.3019196479

Scales and comparisons

• 21,678,009,048 seconds is equal to 689 years, 15 weeks, 1 day, 21 hours, 10 minutes, 48 seconds.
• To count from 1 to 21,678,009,048 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 21678009048 cubic inches would be around 232.4 feet tall.

Recreational maths with 21678009048

• 21678009048 backwards is 84090087612
• The number of decimal digits it has is: 11
• The sum of 21678009048's digits is 45
• More coming soon!