20121393681220

Names of 20121393681220

• Cardinal: 20121393681220 can be written as Twenty trillion, one hundred twenty-one billion, three hundred ninety-three million, six hundred eighty-one thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.012139368122 × 10¹³

Factors of 20121393681220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 166467

Divisors of 20121393681220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 13 20 26 52 65 97 130 194 260 388 485 970 1261 1940 2522 4943 5044 6305 9886 12610 19772 24715 25220 49430 64259 98860 128518 161407 257036 321295 322814 479471 642590 645628 807035 958942 1285180 1614070 1917884 2098291 2397355 3228140 4196582 4794710 6233123 8393164 9589420 10491455 12466246 15656479 20982910 24932492 31165615 31312958 41965820 62331230 62625916 78282395 124662460 156564790 203534227 313129580 407068454 797834801 814136908 1017671135 1595669602 2035342270 3191339204 3989174005 4070684540 7978348010 10371852413 15956696020 20743704826 41487409652 51859262065 77389975697 103718524130 154779951394 207437048260 309559902788 386949878485 773899756970 1006069684061 1547799513940 2012139368122 4024278736244 5030348420305 10060696840610 20121393681220
• Sum of all divisors σ(n): 45984018382848
• Sum of proper divisors (its aliquot sum) s(n): 25862624701628
• 20121393681220 is an abundant number, because the sum of its proper divisors (25862624701628) is greater than itself. Its abundance is 5741231020408

Bases of 20121393681220

• Binary: 100100100110011100000100001011101001101000100₂
• Hexadecimal: 0x124CE085D344
• Base-36: 74RN2A1C4

Squares and roots of 20121393681220

• 20121393681220 squared (20121393681220²) is 404870483674640142980688400
• 20121393681220 cubed (20121393681220³) is 8146558391923389339328980908245751848000
• The square root of 20121393681220 is 4485687.6486465261
• The cube root of 20121393681220 is 27198.9842835549

Scales and comparisons

• 20,121,393,681,220 seconds is equal to 639,798 years, 4 weeks, 22 hours, 33 minutes, 40 seconds.
• To count from 1 to 20,121,393,681,220 would take you about one million, five hundred ninety-nine thousand, four hundred ninety-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 20121393681220 cubic inches would be around 2266.6 feet tall.

Recreational maths with 20121393681220

• 20121393681220 backwards is 02218639312102
• The number of decimal digits it has is: 14
• The sum of 20121393681220's digits is 40
• More coming soon!