21146821920349

Names of 21146821920349

• Cardinal: 21146821920349 can be written as Twenty-one trillion, one hundred forty-six billion, eight hundred twenty-one million, nine hundred twenty thousand, three hundred forty-nine.

Scientific notation

• Scientific notation: 2.1146821920349 × 10¹³

Factors of 21146821920349

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 68030

Divisors of 21146821920349

• Number of divisors d(n): 64
• Complete list of divisors:
  1 17 37 61 79 103 629 1037 1343 1751 2257 2923 3811 4819 6283 8137 38369 49691 64787 67733 81923 106811 138329 178303 232471 301069 496357 1151461 2506121 3031151 3952007 4131713 5118173 5350907 6976499 8438069 18365209 42604057 70239121 90965419 118600483 152873381 197983559 258130463 312208553 326405327 425566439 551143421 2598847477 3365720503 4388217871 5548890559 7234629463 9369438157 12076997099 15745958243 20392306577 33619748681 205308950683 267681290131 346669211809 571535727577 1243930701197 21146821920349
• Sum of all divisors σ(n): 23898896087040
• Sum of proper divisors (its aliquot sum) s(n): 2752074166691
• 21146821920349 is a deficient number, because the sum of its proper divisors (2752074166691) is less than itself. Its deficiency is 18394747753658

Bases of 21146821920349

• Binary: 100110011101110100000110011110000011001011101₂
• Hexadecimal: 0x133BA0CF065D
• Base-36: 7HUPRRYHP

Squares and roots of 21146821920349

• 21146821920349 squared (21146821920349²) is 447188077330952968100281801
• 21146821920349 cubed (21146821920349³) is 9456606636220919959300602533430876268549
• The square root of 21146821920349 is 4598567.3769500215
• The cube root of 21146821920349 is 27653.3894107637

Scales and comparisons

• 21,146,821,920,349 seconds is equal to 672,403 years, 27 weeks, 2 days, 8 hours, 5 minutes, 49 seconds.
• To count from 1 to 21,146,821,920,349 would take you about one million, six hundred eighty-one thousand and 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 21146821920349 cubic inches would be around 2304.4 feet tall.

Recreational maths with 21146821920349

• 21146821920349 backwards is 94302912864112
• The number of decimal digits it has is: 14
• The sum of 21146821920349's digits is 52
• More coming soon!