12821211424

Names of 12821211424

• Cardinal: 12821211424 can be written as Twelve billion, eight hundred twenty-one million, two hundred eleven thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.2821211424 × 10¹⁰

Factors of 12821211424

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 391

Divisors of 12821211424

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 98 112 113 196 224 226 269 392 452 538 784 791 904 1076 1568 1582 1808 1883 2152 3164 3616 3766 4304 5537 6328 7532 8608 11074 12656 13181 15064 22148 25312 26362 30128 30397 44296 52724 60256 60794 72361 88592 105448 121588 144722 177184 210896 212779 243176 289444 421792 425558 486352 506527 578888 851116 972704 1013054 1157776 1489453 1702232 2026108 2315552 2978906 3404464 3545689 4052216 5957812 6808928 7091378 8104432 8176793 11915624 14182756 16208864 16353586 23831248 28365512 32707172 47662496 56731024 57237551 65414344 113462048 114475102 130828688 228950204 261657376 400662857 457900408 801325714 915800816 1602651428 1831601632 3205302856 6410605712 12821211424
• Sum of all divisors σ(n): 29733242994
• Sum of proper divisors (its aliquot sum) s(n): 16912031570
• 12821211424 is an abundant number, because the sum of its proper divisors (16912031570) is greater than itself. Its abundance is 4090820146

Bases of 12821211424

• Binary: 1011111100001101000010100100100000₂
• Hexadecimal: 0x2FC342920
• Base-36: 5W1F21S

Squares and roots of 12821211424

• 12821211424 squared (12821211424²) is 164383462378908107776
• 12821211424 cubed (12821211424³) is 2107595125769130848063874433024
• The square root of 12821211424 is 113230.7883219047
• The cube root of 12821211424 is 2340.5056145589

Scales and comparisons

• 12,821,211,424 seconds is equal to 407 years, 35 weeks, 15 hours, 37 minutes, 4 seconds.
• To count from 1 to 12,821,211,424 would take you about eight hundred fifteen 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 12821211424 cubic inches would be around 195 feet tall.

Recreational maths with 12821211424

• 12821211424 backwards is 42411212821
• 12821211424 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12821211424's digits is 28
• More coming soon!