28227421008

Names of 28227421008

• Cardinal: 28227421008 can be written as Twenty-eight billion, two hundred twenty-seven million, four hundred twenty-one thousand and eight.

Scientific notation

• Scientific notation: 2.8227421008 × 10¹⁰

Factors of 28227421008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6323383

Divisors of 28227421008

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 93 124 144 186 248 279 372 496 558 744 1116 1488 2232 4464 6323347 12646694 18970041 25293388 37940082 50586776 56910123 75880164 101173552 113820246 151760328 196023757 227640492 303520656 392047514 455280984 588071271 784095028 910561968 1176142542 1568190056 1764213813 2352285084 3136380112 3528427626 4704570168 7056855252 9409140336 14113710504 28227421008
• Sum of all divisors σ(n): 81545895808
• Sum of proper divisors (its aliquot sum) s(n): 53318474800
• 28227421008 is an abundant number, because the sum of its proper divisors (53318474800) is greater than itself. Its abundance is 25091053792

Bases of 28227421008

• Binary: 11010010010011111000100001101010000₂
• Hexadecimal: 0x6927C4350
• Base-36: CYTVLG0

Squares and roots of 28227421008

• 28227421008 squared (28227421008²) is 796787296762879736064
• 28227421008 cubed (28227421008³) is 22491250479552041856350448832512
• The square root of 28227421008 is 168010.1812629223
• The cube root of 28227421008 is 3044.7880532265

Scales and comparisons

• 28,227,421,008 seconds is equal to 897 years, 28 weeks, 2 days, 6 hours, 16 minutes, 48 seconds.
• To count from 1 to 28,227,421,008 would take you about one thousand, seven 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 28227421008 cubic inches would be around 253.7 feet tall.

Recreational maths with 28227421008

• 28227421008 backwards is 80012472282
• 28227421008 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28227421008's digits is 36
• More coming soon!