21270821416

Names of 21270821416

• Cardinal: 21270821416 can be written as Twenty-one billion, two hundred seventy million, eight hundred twenty-one thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 2.1270821416 × 10¹⁰

Factors of 21270821416

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5374

Divisors of 21270821416

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 13 26 52 79 104 158 316 547 632 1027 1094 2054 2188 4108 4376 4733 7111 8216 9466 14222 18932 28444 37864 43213 56888 61529 86426 123058 172852 246116 345704 373907 492232 561769 747814 1123538 1495628 2247076 2588951 2991256 4494152 4860791 5177902 9721582 10355804 19443164 20711608 33656363 38886328 67312726 134625452 204527129 269250904 409054258 818108516 1636217032 2658852677 5317705354 10635410708 21270821416
• Sum of all divisors σ(n): 43583097600
• Sum of proper divisors (its aliquot sum) s(n): 22312276184
• 21270821416 is an abundant number, because the sum of its proper divisors (22312276184) is greater than itself. Its abundance is 1041454768

Bases of 21270821416

• Binary: 10011110011110101101111101000101000₂
• Hexadecimal: 0x4F3D6FA28
• Base-36: 9RS3IUG

Squares and roots of 21270821416

• 21270821416 squared (21270821416²) is 452447843711364245056
• 21270821416 cubed (21270821416³) is 9623937283638707506313836919296
• The square root of 21270821416 is 145845.1967532699
• The cube root of 21270821416 is 2770.7334881979

Scales and comparisons

• 21,270,821,416 seconds is equal to 676 years, 18 weeks, 1 hour, 30 minutes, 16 seconds.
• To count from 1 to 21,270,821,416 would take you about one thousand, three hundred fifty-two 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 21270821416 cubic inches would be around 230.9 feet tall.

Recreational maths with 21270821416

• 21270821416 backwards is 61412807212
• The number of decimal digits it has is: 11
• The sum of 21270821416's digits is 34
• More coming soon!