28009742208

Names of 28009742208

• Cardinal: 28009742208 can be written as Twenty-eight billion, nine million, seven hundred forty-two thousand, two hundred eight.

Scientific notation

• Scientific notation: 2.8009742208 × 10¹⁰

Factors of 28009742208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2072

Divisors of 28009742208

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 109 112 128 147 168 192 196 218 224 294 327 336 343 384 392 436 448 588 654 672 686 763 784 872 896 1029 1176 1308 1344 1372 1526 1568 1744 1951 2058 2289 2352 2616 2688 2744 3052 3136 3488 3902 4116 4578 4704 5232 5341 5488 5853 6104 6272 6976 7804 8232 9156 9408 10464 10682 10976 11706 12208 13657 13952 15608 16023 16464 18312 18816 20928 21364 21952 23412 24416 27314 31216 32046 32928 36624 37387 40971 41856 42728 43904 46824 48832 54628 62432 64092 65856 73248 74774 81942 85456 93648 95599 97664 109256 112161 124864 128184 131712 146496 149548 163884 170912 187296 191198 212659 218512 224322 249728 256368 286797 292992 299096 327768 341824 374592 382396 425318 437024 448644 512736 573594 598192 637977 655536 669193 683648 749184 764792 850636 874048 897288 1025472 1147188 1196384 1275954 1311072 1338386 1488613 1529584 1701272 1748096 1794576 2007579 2050944 2294376 2392768 2551908 2622144 2676772 2977226 3059168 3402544 3589152 4015158 4465839 4588752 4785536 5103816 5244288 5353544 5954452 6118336 6805088 7178304 8030316 8931678 9177504 10207632 10420291 10707088 11908904 12236672 13610176 14356608 16060632 17863356 18355008 20415264 20840582 21414176 23817808 27220352 31260873 32121264 35726712 36710016 40830528 41681164 42828352 47635616 62521746 64242528 71453424 72942037 81661056 83362328 85656704 95271232 125043492 128485056 142906848 145884074 166724656 190542464 218826111 250086984 256970112 285813696 291768148 333449312 437652222 500173968 571627392 583536296 666898624 875304444 1000347936 1167072592 1333797248 1750608888 2000695872 2334145184 3501217776 4001391744 4668290368 7002435552 9336580736 14004871104 28009742208
• Sum of all divisors σ(n): 87605760000
• Sum of proper divisors (its aliquot sum) s(n): 59596017792
• 28009742208 is an abundant number, because the sum of its proper divisors (59596017792) is greater than itself. Its abundance is 31586275584

Bases of 28009742208

• Binary: 11010000101100000101011111110000000₂
• Hexadecimal: 0x68582BF80
• Base-36: CV89ZEO

Squares and roots of 28009742208

• 28009742208 squared (28009742208²) is 784545658558616715264
• 28009742208 cubed (28009742208³) is 21974921646632443051624378662912
• The square root of 28009742208 is 167361.1131894145
• The cube root of 28009742208 is 3036.9411105785

Scales and comparisons

• 28,009,742,208 seconds is equal to 890 years, 32 weeks, 2 days, 19 hours, 56 minutes, 48 seconds.
• To count from 1 to 28,009,742,208 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 28009742208 cubic inches would be around 253.1 feet tall.

Recreational maths with 28009742208

• 28009742208 backwards is 80224790082
• 28009742208 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28009742208's digits is 42
• More coming soon!