28648621728
28,648,621,728 is an even composite number composed of five prime numbers multiplied together.
28648621728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 28648621728:
25 × 34 × 31 × 109 × 3271
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 31 × 109 × 3271)See below for interesting mathematical facts about the number 28648621728 from the Numbermatics database.
Names of 28648621728
- Cardinal: 28648621728 can be written as Twenty-eight billion, six hundred forty-eight million, six hundred twenty-one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.8648621728 × 1010
Factors of 28648621728
Divisors of 28648621728
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 72 81 93 96 108 109 124 144 162 186 216 218 248 279 288 324 327 372 432 436 496 558 648 654 744 837 864 872 981 992 1116 1296 1308 1488 1674 1744 1962 2232 2511 2592 2616 2943 2976 3271 3348 3379 3488 3924 4464 5022 5232 5886 6542 6696 6758 7848 8829 8928 9813 10044 10137 10464 11772 13084 13392 13516 15696 17658 19626 20088 20274 23544 26168 26784 27032 29439 30411 31392 35316 39252 40176 40548 47088 52336 54064 58878 60822 70632 78504 80352 81096 88317 91233 94176 101401 104672 108128 117756 121644 141264 157008 162192 176634 182466 202802 235512 243288 264951 273699 282528 304203 314016 324384 353268 356539 364932 405604 471024 486576 529902 547398 608406 706536 713078 729864 811208 912609 942048 973152 1059804 1069617 1094796 1216812 1413072 1426156 1459728 1622416 1825218 2119608 2139234 2189592 2433624 2737827 2826144 2852312 2919456 3208851 3244832 3650436 4239216 4278468 4379184 4867248 5475654 5704624 6417702 7300872 8213481 8478432 8556936 8758368 9626553 9734496 10951308 11052709 11409248 12835404 14601744 16426962 17113872 19253106 21902616 22105418 25670808 28879659 29203488 32853924 33158127 34227744 38506212 43805232 44210836 51341616 57759318 65707848 66316254 77012424 87610464 88421672 99474381 102683232 115518636 131415696 132632508 154024848 176843344 198948762 231037272 262831392 265265016 298423143 308049696 353686688 397897524 462074544 530530032 596846286 795795048 895269429 924149088 1061060064 1193692572 1591590096 1790538858 2387385144 3183180192 3581077716 4774770288 7162155432 9549540576 14324310864 28648621728
- Sum of all divisors σ(n): 87797445120
- Sum of proper divisors (its aliquot sum) s(n): 59148823392
- 28648621728 is an abundant number, because the sum of its proper divisors (59148823392) is greater than itself. Its abundance is 30500201664
Bases of 28648621728
- Binary: 110101010111001011101000110101000002
- Hexadecimal: 0x6AB9746A0
- Base-36: D5SNE00
Squares and roots of 28648621728
- 28648621728 squared (286486217282) is 820743526914033705984
- 28648621728 cubed (286486217283) is 23513170838264738817377586020352
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The
square root of 28648621728 is 169259.0373598999 -
The
cube root of 28648621728 is 3059.8578019275
Scales and comparisons
How big is 28648621728?- 28,648,621,728 seconds is equal to 910 years, 48 weeks, 5 days, 6 hours, 28 minutes, 48 seconds.
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To count from 1 to 28,648,621,728 would take you about one thousand, eight hundred twenty-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 28648621728 cubic inches would be around 255 feet tall.
Recreational maths with 28648621728
- 28648621728 backwards is 82712684682
- 28648621728 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28648621728's digits is 54
- More coming soon!
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