28272938772

Names of 28272938772

• Cardinal: 28272938772 can be written as Twenty-eight billion, two hundred seventy-two million, nine hundred thirty-eight thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 2.8272938772 × 10¹⁰

Factors of 28272938772

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2114

Divisors of 28272938772

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 12 13 26 39 43 52 78 86 129 156 172 258 516 559 1118 1677 2053 2236 3354 4106 6159 6708 8212 12318 24636 26689 53378 80067 88279 106756 160134 176558 264837 320268 353116 529674 1059348 1147627 2295254 3442881 4214809 4590508 6885762 8429618 12644427 13771524 16859236 25288854 50577708 54792517 109585034 164377551 181236787 219170068 328755102 362473574 543710361 657510204 724947148 1087420722 2174841444 2356078231 4712156462 7068234693 9424312924 14136469386 28272938772
• Sum of all divisors σ(n): 72732453024
• Sum of proper divisors (its aliquot sum) s(n): 44459514252
• 28272938772 is an abundant number, because the sum of its proper divisors (44459514252) is greater than itself. Its abundance is 16186575480

Bases of 28272938772

• Binary: 11010010101001100101100111100010100₂
• Hexadecimal: 0x69532CF14
• Base-36: CZKZ76C

Squares and roots of 28272938772

• 28272938772 squared (28272938772²) is 799359066805260867984
• 28272938772 cubed (28272938772³) is 22600229952628198167999207075648
• The square root of 28272938772 is 168145.5880241883
• The cube root of 28272938772 is 3046.4237855613

Scales and comparisons

• 28,272,938,772 seconds is equal to 898 years, 51 weeks, 4 days, 2 hours, 6 minutes, 12 seconds.
• To count from 1 to 28,272,938,772 would take you about one thousand, seven hundred ninety-seven 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 28272938772 cubic inches would be around 253.9 feet tall.

Recreational maths with 28272938772

• 28272938772 backwards is 27783927282
• The number of decimal digits it has is: 11
• The sum of 28272938772's digits is 57
• More coming soon!