28115648800

Names of 28115648800

• Cardinal: 28115648800 can be written as Twenty-eight billion, one hundred fifteen million, six hundred forty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.81156488 × 10¹⁰

Factors of 28115648800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 949897

Divisors of 28115648800

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 37 40 50 74 80 100 148 160 185 200 296 370 400 592 740 800 925 1184 1480 1850 2960 3700 5920 7400 14800 29600 949853 1899706 3799412 4749265 7598824 9498530 15197648 18997060 23746325 30395296 35144561 37994120 47492650 70289122 75988240 94985300 140578244 151976480 175722805 189970600 281156488 351445610 379941200 562312976 702891220 759882400 878614025 1124625952 1405782440 1757228050 2811564880 3514456100 5623129760 7028912200 14057824400 28115648800
• Sum of all divisors σ(n): 70492464756
• Sum of proper divisors (its aliquot sum) s(n): 42376815956
• 28115648800 is an abundant number, because the sum of its proper divisors (42376815956) is greater than itself. Its abundance is 14261167156

Bases of 28115648800

• Binary: 11010001011110100101100000100100000₂
• Hexadecimal: 0x68BD2C120
• Base-36: CWZBXGG

Squares and roots of 28115648800

• 28115648800 squared (28115648800²) is 790489707444941440000
• 28115648800 cubed (28115648800³) is 22225130994536718863606272000000
• The square root of 28115648800 is 167677.2161028445
• The cube root of 28115648800 is 3040.7639181307

Scales and comparisons

• 28,115,648,800 seconds is equal to 893 years, 51 weeks, 3 days, 14 hours, 26 minutes, 40 seconds.
• To count from 1 to 28,115,648,800 would take you about one thousand, seven hundred eighty-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 28115648800 cubic inches would be around 253.4 feet tall.

Recreational maths with 28115648800

• 28115648800 backwards is 00884651182
• The number of decimal digits it has is: 11
• The sum of 28115648800's digits is 43
• More coming soon!