21338358228

Names of 21338358228

• Cardinal: 21338358228 can be written as Twenty-one billion, three hundred thirty-eight million, three hundred fifty-eight thousand, two hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1338358228 × 10¹⁰

Factors of 21338358228

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1632887

Divisors of 21338358228

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 121 132 198 242 297 363 396 484 594 726 1089 1188 1452 2178 3267 4356 6534 13068 1632871 3265742 4898613 6531484 9797226 14695839 17961581 19594452 29391678 35923162 44087517 53884743 58783356 71846324 88175034 107769486 161654229 176350068 197577391 215538972 323308458 395154782 484962687 592732173 646616916 790309564 969925374 1185464346 1778196519 1939850748 2370928692 3556393038 5334589557 7112786076 10669179114 21338358228
• Sum of all divisors σ(n): 60808153280
• Sum of proper divisors (its aliquot sum) s(n): 39469795052
• 21338358228 is an abundant number, because the sum of its proper divisors (39469795052) is greater than itself. Its abundance is 18131436824

Bases of 21338358228

• Binary: 10011110111110111011000000111010100₂
• Hexadecimal: 0x4F7DD81D4
• Base-36: 9SWB2L0

Squares and roots of 21338358228

• 21338358228 squared (21338358228²) is 455325531866455299984
• 21338358228 cubed (21338358228³) is 9715899309321052647607794668352
• The square root of 21338358228 is 146076.5492062295
• The cube root of 21338358228 is 2773.6628345187

Scales and comparisons

• 21,338,358,228 seconds is equal to 678 years, 25 weeks, 4 days, 17 hours, 43 minutes, 48 seconds.
• To count from 1 to 21,338,358,228 would take you about one thousand, three hundred fifty-six 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 21338358228 cubic inches would be around 231.1 feet tall.

Recreational maths with 21338358228

• 21338358228 backwards is 82285383312
• The number of decimal digits it has is: 11
• The sum of 21338358228's digits is 45
• More coming soon!