21210449428291073

Names of 21210449428291073

• Cardinal: 21210449428291073 can be written as Twenty-one quadrillion, two hundred ten trillion, four hundred forty-nine billion, four hundred twenty-eight million, two hundred ninety-one thousand and seventy-three.

Scientific notation

• Scientific notation: 2.1210449428291073 × 10¹⁶

Factors of 21210449428291073

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1249

Divisors of 21210449428291073

• Number of divisors d(n): 48
• Complete list of divisors:
  1 19 43 361 817 1187 1849 6859 15523 22553 35131 51041 294937 428507 667489 969779 1408969 2194763 8141633 12682291 18425801 26770411 41700497 60585667 350090219 508637809 792309443 1151127673 1672446203 2605183681 9664118371 15053879417 21871425787 31776477857 49498489939 71915186729 415557089953 603753079283 940471308841 1366388547851 3092353029347 11471308506377 17868954867979 25961382409169 58754707557593 493266265774211 1116339443594267 21210449428291073
• Sum of all divisors σ(n): 22940737047835200
• Sum of proper divisors (its aliquot sum) s(n): 1730287619544127
• 21210449428291073 is a deficient number, because the sum of its proper divisors (1730287619544127) is less than itself. Its deficiency is 19480161808746946

Bases of 21210449428291073

• Binary: 1001011010110101100101010010111101100110001111000000001₂
• Hexadecimal: 0x4B5ACA97B31E01
• Base-36: 5SUH5Y811J5

Squares and roots of 21210449428291073

• 21210449428291073 squared (21210449428291073²) is 449883164950093105476797211491329
• 21210449428291073 cubed (21210449428291073³) is 9542224118813480800078595532238702009750227606017
• The square root of 21210449428291073 is 145638076.8490543925
• The cube root of 21210449428291073 is 276810.9656066175

Scales and comparisons

• 21,210,449,428,291,073 seconds is equal to 674,426,683 years, 30 weeks, 5 days, 10 hours, 37 minutes, 53 seconds.
• To count from 1 to 21,210,449,428,291,073 would take you about two billion, twenty-three million, two hundred eighty thousand and fifty 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 21210449428291073 cubic inches would be around 23067.6 feet tall.

Recreational maths with 21210449428291073

• 21210449428291073 backwards is 37019282494401212
• The number of decimal digits it has is: 17
• The sum of 21210449428291073's digits is 59
• More coming soon!