20721198324148

Names of 20721198324148

• Cardinal: 20721198324148 can be written as Twenty trillion, seven hundred twenty-one billion, one hundred ninety-eight million, three hundred twenty-four thousand, one hundred forty-eight.

Scientific notation

• Scientific notation: 2.0721198324148 × 10¹³

Factors of 20721198324148

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14560232

Divisors of 20721198324148

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 14 28 49 53 98 106 137 196 212 274 371 548 742 959 1484 1918 2597 3836 5194 6713 7261 10388 13426 14522 26852 29044 50827 101654 203308 355789 711578 1423156 14560033 29120066 58240132 101920231 203840462 407680924 713441617 771681749 1426883234 1543363498 1994724521 2853766468 3086726996 3989449042 5401772243 7978898084 10803544486 13963071647 21607088972 27926143294 37812405701 55852286588 75624811402 97741501529 105720399613 151249622804 195483003058 211440799226 390966006116 422881598452 740042797291 1480085594582 2960171189164 5180299581037 10360599162074 20721198324148
• Sum of all divisors σ(n): 43292047973832
• Sum of proper divisors (its aliquot sum) s(n): 22570849649684
• 20721198324148 is an abundant number, because the sum of its proper divisors (22570849649684) is greater than itself. Its abundance is 1849651325536

Bases of 20721198324148

• Binary: 100101101100010000111101010100101100110110100₂
• Hexadecimal: 0x12D887AA59B4
• Base-36: 7CF6QH5TG

Squares and roots of 20721198324148

• 20721198324148 squared (20721198324148²) is 429368059988673883679925904
• 20721198324148 cubed (20721198324148³) is 8897020725079987210369375329193613929792
• The square root of 20721198324148 is 4552054.2971440925
• The cube root of 20721198324148 is 27466.6033481641

Scales and comparisons

• 20,721,198,324,148 seconds is equal to 658,870 years, 4 days, 7 hours, 22 minutes, 28 seconds.
• To count from 1 to 20,721,198,324,148 would take you about one million, six hundred forty-seven thousand, one 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 20721198324148 cubic inches would be around 2288.9 feet tall.

Recreational maths with 20721198324148

• 20721198324148 backwards is 84142389112702
• The number of decimal digits it has is: 14
• The sum of 20721198324148's digits is 52
• More coming soon!