28266438816

Names of 28266438816

• Cardinal: 28266438816 can be written as Twenty-eight billion, two hundred sixty-six million, four hundred thirty-eight thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.8266438816 × 10¹⁰

Factors of 28266438816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1152

Divisors of 28266438816

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 32 33 36 42 44 48 56 63 66 72 77 84 88 96 99 112 126 132 144 154 168 176 198 224 231 252 264 288 308 336 352 396 462 504 528 616 672 693 792 924 1008 1056 1129 1232 1386 1584 1848 2016 2258 2464 2772 3168 3387 3696 4516 5544 6774 7392 7903 9032 10161 11088 12419 13548 15806 18064 20322 22176 23709 24838 27096 31612 36128 37257 40644 47418 49676 54192 63224 71127 74514 81288 86933 94836 99352 108384 111771 126448 142254 149028 162576 173866 189672 198704 223542 252896 260799 284508 298056 325152 347732 379344 397408 447084 521598 569016 596112 695464 758688 782397 894168 1043196 1138032 1192224 1274641 1390928 1564794 1788336 2086392 2276064 2549282 2781856 3129588 3576672 3823923 4172784 5098564 6259176 7647846 8345568 8922487 10197128 11471769 12518352 14021051 15295692 17844974 20394256 22943538 25036704 26767461 28042102 30591384 35689948 40788512 42063153 45887076 53534922 56084204 61182768 71379896 80302383 84126306 91774152 98147357 107069844 112168408 122365536 126189459 142759792 160604766 168252612 183548304 196294714 214139688 224336816 252378918 285519584 294442071 321209532 336505224 367096608 392589428 428279376 448673632 504757836 588884142 642419064 673010448 785178856 856558752 883326213 1009515672 1177768284 1284838128 1346020896 1570357712 1766652426 2019031344 2355536568 2569676256 3140715424 3533304852 4038062688 4711073136 7066609704 9422146272 14133219408 28266438816
• Sum of all divisors σ(n): 100306219104
• Sum of proper divisors (its aliquot sum) s(n): 72039780288
• 28266438816 is an abundant number, because the sum of its proper divisors (72039780288) is greater than itself. Its abundance is 43773341472

Bases of 28266438816

• Binary: 11010010100110011111010000010100000₂
• Hexadecimal: 0x694CFA0A0
• Base-36: CZH3VS0

Squares and roots of 28266438816

• 28266438816 squared (28266438816²) is 798991563338671481856
• 28266438816 cubed (28266438816³) is 22584646139612746128606678122496
• The square root of 28266438816 is 168126.2585558841
• The cube root of 28266438816 is 3046.1903097941

Scales and comparisons

• 28,266,438,816 seconds is equal to 898 years, 40 weeks, 5 days, 20 hours, 33 minutes, 36 seconds.
• To count from 1 to 28,266,438,816 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 28266438816 cubic inches would be around 253.8 feet tall.

Recreational maths with 28266438816

• 28266438816 backwards is 61883466282
• The number of decimal digits it has is: 11
• The sum of 28266438816's digits is 54
• More coming soon!