12191016321

Names of 12191016321

• Cardinal: 12191016321 can be written as Twelve billion, one hundred ninety-one million, sixteen thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.2191016321 × 10¹⁰

Factors of 12191016321

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 398

Divisors of 12191016321

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 11 27 31 33 93 99 121 279 297 341 353 363 837 961 1023 1059 1089 1331 2883 3069 3177 3267 3751 3883 3993 8649 9207 9531 10571 10943 11253 11649 11979 25947 31713 32829 33759 34947 35937 41261 42713 95139 98487 101277 104841 116281 120373 123783 128139 285417 295461 339233 348843 361119 371349 384417 469843 1017699 1046529 1083357 1114047 1153251 1279091 1324103 1409529 3053097 3139587 3250071 3731563 3837273 3972309 4228587 9159291 11194689 11511819 11916927 12685761 14565133 33584067 34535457 35750781 41047193 43695399 100752201 123141579 131086197 369424737 393258591 451519123 1108274211 1354557369 4063672107 12191016321
• Sum of all divisors σ(n): 20585128320
• Sum of proper divisors (its aliquot sum) s(n): 8394111999
• 12191016321 is a deficient number, because the sum of its proper divisors (8394111999) is less than itself. Its deficiency is 3796904322

Bases of 12191016321

• Binary: 1011010110101001000010010110000001₂
• Hexadecimal: 0x2D6A42581
• Base-36: 5LM7SE9

Squares and roots of 12191016321

• 12191016321 squared (12191016321²) is 148620878938888375041
• 12191016321 cubed (12191016321³) is 1811839560785353341722000044161
• The square root of 12191016321 is 110412.9354785933
• The cube root of 12191016321 is 2301.5123211371

Scales and comparisons

• 12,191,016,321 seconds is equal to 387 years, 33 weeks, 17 hours, 25 minutes, 21 seconds.
• To count from 1 to 12,191,016,321 would take you about seven hundred seventy-five 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 12191016321 cubic inches would be around 191.8 feet tall.

Recreational maths with 12191016321

• 12191016321 backwards is 12361019121
• 12191016321 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12191016321's digits is 27
• More coming soon!