20488385649920

Names of 20488385649920

• Cardinal: 20488385649920 can be written as Twenty trillion, four hundred eighty-eight billion, three hundred eighty-five million, six hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.048838564992 × 10¹³

Factors of 20488385649920

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 126524

Divisors of 20488385649920

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 126517 253034 506068 632585 1012136 1265170 2024272 2530340 4048544 5060680 8097088 10121360 16194176 20242720 32388352 40485440 80970880 161941760 16006551289 32013102578 64026205156 80032756445 128052410312 160065512890 256104820624 320131025780 512209641248 640262051560 1024419282496 1280524103120 2048838564992 2561048206240 4097677129984 5122096412480 10244192824960 20488385649920
• Sum of all divisors σ(n): 49076474156262
• Sum of proper divisors (its aliquot sum) s(n): 28588088506342
• 20488385649920 is an abundant number, because the sum of its proper divisors (28588088506342) is greater than itself. Its abundance is 8099702856422

Bases of 20488385649920

• Binary: 100101010001001010010111100101101110100000000₂
• Hexadecimal: 0x12A252F2DD00
• Base-36: 79G8FTKOW

Squares and roots of 20488385649920

• 20488385649920 squared (20488385649920²) is 419773946539847780796006400
• 20488385649920 cubed (20488385649920³) is 8600490502497302509522055280604479488000
• The square root of 20488385649920 is 4526409.7969494543
• The cube root of 20488385649920 is 27363.3488194857

Scales and comparisons

• 20,488,385,649,920 seconds is equal to 651,467 years, 15 weeks, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 20,488,385,649,920 would take you about one million, six hundred twenty-eight thousand, six hundred sixty-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 20488385649920 cubic inches would be around 2280.3 feet tall.

Recreational maths with 20488385649920

• 20488385649920 backwards is 02994658388402
• The number of decimal digits it has is: 14
• The sum of 20488385649920's digits is 68
• More coming soon!