20421120448

Names of 20421120448

• Cardinal: 20421120448 can be written as Twenty billion, four hundred twenty-one million, one hundred twenty thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 2.0421120448 × 10¹⁰

Factors of 20421120448

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 473

Divisors of 20421120448

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 16 32 64 73 127 146 254 271 292 508 542 584 1016 1084 1168 2032 2168 2336 4064 4336 4672 8128 8672 9271 16129 17344 18542 19783 32258 34417 37084 39566 64516 68834 74168 79132 129032 137668 148336 158264 258064 275336 296672 316528 516128 550672 593344 633056 1032256 1101344 1177417 1266112 2202688 2354834 2512441 4370959 4709668 5024882 8741918 9419336 10049764 17483836 18838672 20099528 34967672 37677344 40199056 69935344 75354688 80398112 139870688 160796224 279741376 319080007 638160014 1276320028 2552640056 5105280112 10210560224 20421120448
• Sum of all divisors σ(n): 41557053792
• Sum of proper divisors (its aliquot sum) s(n): 21135933344
• 20421120448 is an abundant number, because the sum of its proper divisors (21135933344) is greater than itself. Its abundance is 714812896

Bases of 20421120448

• Binary: 10011000001001100011001000111000000₂
• Hexadecimal: 0x4C13191C0
• Base-36: 9DQ7HDS

Squares and roots of 20421120448

• 20421120448 squared (20421120448²) is 417022160351723720704
• 20421120448 cubed (20421120448³) is 8516059766027720144915095355392
• The square root of 20421120448 is 142902.4858006325
• The cube root of 20421120448 is 2733.3370548167

Scales and comparisons

• 20,421,120,448 seconds is equal to 649 years, 17 weeks, 13 hours, 27 minutes, 28 seconds.
• To count from 1 to 20,421,120,448 would take you about one thousand, two hundred ninety-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 20421120448 cubic inches would be around 227.8 feet tall.

Recreational maths with 20421120448

• 20421120448 backwards is 84402112402
• The number of decimal digits it has is: 11
• The sum of 20421120448's digits is 28
• More coming soon!