20491459708740

Names of 20491459708740

• Cardinal: 20491459708740 can be written as Twenty trillion, four hundred ninety-one billion, four hundred fifty-nine million, seven hundred eight thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.049145970874 × 10¹³

Factors of 20491459708740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5097378114

Divisors of 20491459708740

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 67 134 201 268 335 402 670 804 1005 1340 2010 4020 5097378037 10194756074 15292134111 20389512148 25486890185 30584268222 50973780370 61168536444 76460670555 101947560740 152921341110 305842682220 341524328479 683048656958 1024572985437 1366097313916 1707621642395 2049145970874 3415243284790 4098291941748 5122864927185 6830486569580 10245729854370 20491459708740
• Sum of all divisors σ(n): 58232446706112
• Sum of proper divisors (its aliquot sum) s(n): 37740986997372
• 20491459708740 is an abundant number, because the sum of its proper divisors (37740986997372) is greater than itself. Its abundance is 17249527288632

Bases of 20491459708740

• Binary: 100101010001100001010001011010100011101000100₂
• Hexadecimal: 0x12A30A2D4744
• Base-36: 79HNA1BNO

Squares and roots of 20491459708740

• 20491459708740 squared (20491459708740²) is 419899920994914805632387600
• 20491459708740 cubed (20491459708740³) is 8604362312770405954044958921406787624000
• The square root of 20491459708740 is 4526749.3534257007
• The cube root of 20491459708740 is 27364.7172750691

Scales and comparisons

• 20,491,459,708,740 seconds is equal to 651,565 years, 1 week, 5 days, 13 hours, 19 minutes.
• To count from 1 to 20,491,459,708,740 would take you about one million, six hundred twenty-eight thousand, nine hundred twelve 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 20491459708740 cubic inches would be around 2280.4 feet tall.

Recreational maths with 20491459708740

• 20491459708740 backwards is 04780795419402
• 20491459708740 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20491459708740's digits is 60
• More coming soon!