21280221076401

Names of 21280221076401

• Cardinal: 21280221076401 can be written as Twenty-one trillion, two hundred eighty billion, two hundred twenty-one million, seventy-six thousand, four hundred one.

Scientific notation

• Scientific notation: 2.1280221076401 × 10¹³

Factors of 21280221076401

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2026

Divisors of 21280221076401

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 7 9 21 27 37 49 63 81 111 147 189 259 333 441 567 777 999 1323 1369 1813 1979 2331 2997 3969 4107 5439 5937 6993 9583 12321 13853 16317 17811 20979 28749 36963 41559 48951 53433 67081 73223 86247 96971 110889 124677 146853 160299 201243 219669 258741 290913 374031 512561 603729 659007 776223 872739 1122093 1537683 1811187 1977021 2618217 2709251 3587927 3916441 4613049 5433561 5931063 7854651 8127753 10763781 11749323 13839147 18964757 24383259 27415087 32291343 35247969 41517441 56894271 73149777 82245261 96874029 105743907 132753299 144908317 170682813 191905609 219449331 246735783 290622087 317231721 398259897 434724951 512048439 575716827 740207349 1014358219 1194779691 1304174853 1536145317 1727150481 2220622047 3043074657 3584339073 3912524559 5181451443 5361607729 7100507533 9129223971 10753017219 11737573677 15544354329 16084823187 21301522599 27387671913 37531254103 48254469561 63904567797 82163015739 112593762309 144763408683 191713703391 262718778721 337781286927 434290226049 575141110173 788156336163 1013343860781 2364469008489 3040031582343 7093407025467 21280221076401
• Sum of all divisors σ(n): 38024666939259
• Sum of proper divisors (its aliquot sum) s(n): 16744445862858
• 21280221076401 is a deficient number, because the sum of its proper divisors (16744445862858) is less than itself. Its deficiency is 4535775213543

Bases of 21280221076401

• Binary: 100110101101010110000000001001001101110110001₂
• Hexadecimal: 0x135AB0049BB1
• Base-36: 7JJZY6U29

Squares and roots of 21280221076401

• 21280221076401 squared (21280221076401²) is 452847809060501335079112801
• 21280221076401 cubed (21280221076401³) is 9636701490771296241309935390588318109201
• 21280221076401 is a perfect square number. Its square root is 4613049
• The cube root of 21280221076401 is 27711.4156080251

Scales and comparisons

• 21,280,221,076,401 seconds is equal to 676,645 years, 10 weeks, 5 days, 1 hour, 13 minutes, 21 seconds.
• To count from 1 to 21,280,221,076,401 would take you about one million, six hundred ninety-one thousand, six hundred thirteen 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 21280221076401 cubic inches would be around 2309.3 feet tall.

Recreational maths with 21280221076401

• 21280221076401 backwards is 10467012208212
• The number of decimal digits it has is: 14
• The sum of 21280221076401's digits is 36
• More coming soon!