28020002816

Names of 28020002816

• Cardinal: 28020002816 can be written as Twenty-eight billion, twenty million, two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.8020002816 × 10¹⁰

Factors of 28020002816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 342

Divisors of 28020002816

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 4 8 13 16 23 26 32 46 52 64 92 104 128 137 167 184 208 256 274 299 334 368 416 512 548 598 668 736 832 1024 1096 1196 1336 1472 1664 1781 2048 2171 2192 2392 2672 2944 3151 3328 3562 3841 4096 4342 4384 4784 5344 5888 6302 6656 7124 7682 8684 8768 9568 10688 11776 12604 13312 14248 15364 17368 17536 19136 21376 22879 23552 25208 26624 28496 30728 34736 35072 38272 40963 42752 45758 47104 49933 50416 53248 56992 61456 69472 70144 76544 81926 85504 91516 94208 99866 100832 113984 122912 138944 140288 153088 163852 171008 183032 199732 201664 227968 245824 277888 280576 297427 306176 327704 342016 366064 399464 403328 455936 491648 526217 555776 561152 594854 612352 655408 684032 732128 798928 806656 911872 983296 1052434 1111552 1189708 1224704 1310816 1464256 1597856 1613312 1823744 1966592 2104868 2223104 2379416 2621632 2928512 3195712 3226624 3647488 3933184 4209736 4446208 4758832 5243264 5857024 6391424 6453248 6840821 7294976 7866368 8419472 8892416 9517664 10486528 11714048 12782848 12906496 13681642 15732736 16838944 19035328 20973056 23428096 25565696 27363284 33677888 38070656 41946112 46856192 51131392 54726568 67355776 76141312 83892224 93712384 102262784 109453136 134711552 152282624 167784448 204525568 218906272 269423104 304565248 437812544 538846208 609130496 875625088 1077692416 1218260992 1751250176 2155384832 3502500352 7005000704 14010001408 28020002816
• Sum of all divisors σ(n): 63806448384
• Sum of proper divisors (its aliquot sum) s(n): 35786445568
• 28020002816 is an abundant number, because the sum of its proper divisors (35786445568) is greater than itself. Its abundance is 7766442752

Bases of 28020002816

• Binary: 11010000110000111110101000000000000₂
• Hexadecimal: 0x6861F5000
• Base-36: CVEDWJK

Squares and roots of 28020002816

• 28020002816 squared (28020002816²) is 785120557808647929856
• 28020002816 cubed (28020002816³) is 21999080240697805783717690474496
• The square root of 28020002816 is 167391.7644808131
• The cube root of 28020002816 is 3037.3118989255

Scales and comparisons

• 28,020,002,816 seconds is equal to 890 years, 49 weeks, 2 days, 14 hours, 6 minutes, 56 seconds.
• To count from 1 to 28,020,002,816 would take you about one thousand, seven hundred eighty-one 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 28020002816 cubic inches would be around 253.1 feet tall.

Recreational maths with 28020002816

• 28020002816 backwards is 61820002082
• The number of decimal digits it has is: 11
• The sum of 28020002816's digits is 29
• More coming soon!