28729326528

Names of 28729326528

• Cardinal: 28729326528 can be written as Twenty-eight billion, seven hundred twenty-nine million, three hundred twenty-six thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8729326528 × 10¹⁰

Factors of 28729326528

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 304

Divisors of 28729326528

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 29 32 34 36 42 48 51 56 58 63 64 68 72 84 87 96 97 102 112 116 119 126 136 144 149 153 168 174 192 194 203 204 224 232 238 252 261 272 288 291 298 306 336 348 357 388 406 408 447 448 464 476 493 504 522 544 576 582 596 609 612 672 679 696 714 776 812 816 873 894 928 952 986 1008 1043 1044 1071 1088 1164 1192 1218 1224 1341 1344 1358 1392 1428 1479 1552 1624 1632 1649 1746 1788 1827 1856 1904 1972 2016 2037 2086 2088 2142 2328 2384 2436 2448 2533 2682 2716 2784 2813 2856 2958 3104 3129 3248 3264 3298 3451 3492 3576 3654 3808 3944 4032 4074 4172 4176 4284 4321 4437 4656 4768 4872 4896 4947 5066 5364 5432 5568 5626 5712 5916 6111 6208 6258 6496 6596 6902 6984 7152 7308 7599 7616 7888 8148 8344 8352 8439 8568 8642 8874 9312 9387 9536 9744 9792 9894 10132 10353 10728 10864 11252 11424 11543 11832 12222 12516 12963 12992 13192 13804 13968 14304 14453 14616 14841 15198 15776 16296 16688 16704 16878 17136 17284 17731 17748 18624 18774 19488 19691 19788 20264 20706 21456 21728 22504 22797 22848 23086 23664 24444 25032 25317 25926 26384 27608 27936 28608 28906 29232 29682 30247 30396 31059 31552 32592 33376 33756 34272 34568 34629 35462 35496 37548 38889 38976 39382 39576 40528 41412 42912 43359 43456 45008 45594 46172 47328 47821 48888 50064 50634 51852 52768 53193 55216 55872 57812 58464 59073 59364 60494 60792 62118 65184 66752 67512 68544 69136 69258 70924 70992 73457 75096 77778 78764 79152 81056 82824 85824 86718 90016 90741 91188 92344 94656 95642 97776 100128 101171 101268 103704 103887 105536 106386 110432 115624 116928 118146 118728 120988 121584 124236 130077 130368 135024 138272 138516 141848 141984 143463 146914 150192 155556 157528 158304 159579 162112 165648 173436 177219 180032 181482 182376 184688 191284 195552 200256 202342 202536 207408 207774 212772 220371 220864 231248 236292 237456 241976 243168 245701 248472 260154 270048 272223 276544 277032 283696 283968 286926 293828 300384 303513 311112 315056 316608 319158 331296 334747 346872 354438 362964 364752 369376 382568 391104 404684 405072 414816 415548 419137 425544 430389 440742 462496 472584 474912 483952 486336 491402 496944 514199 520308 540096 544446 554064 567392 573852 587656 600768 607026 622224 630112 638316 661113 662592 669494 693744 708876 725928 729504 737103 738752 765136 809368 810144 829632 831096 838274 851088 860778 881484 910539 924992 945168 949824 967904 982804 993888 1004241 1028398 1040616 1088892 1108128 1134784 1147704 1175312 1214052 1244448 1257411 1260224 1276632 1322226 1338988 1387488 1417752 1451856 1459008 1474206 1530272 1542597 1618736 1620288 1662192 1676548 1702176 1719907 1721556 1762968 1821078 1890336 1935808 1965608 1987776 2008482 2056796 2081232 2177784 2211309 2216256 2295408 2350624 2428104 2488896 2514822 2553264 2644452 2677976 2774976 2835504 2903712 2933959 2948412 3012723 3060544 3085194 3237472 3324384 3353096 3404352 3439814 3443112 3525936 3642156 3772233 3780672 3931216 4016964 4113592 4162464 4355568 4422618 4590816 4627791 4701248 4856208 5029644 5106528 5159721 5288904 5355952 5671008 5807424 5867918 5896824 6025446 6170388 6474944 6648768 6706192 6879628 6886224 7051872 7125329 7284312 7544466 7862432 8033928 8227184 8324928 8711136 8801877 8845236 9181632 9255582 9712416 10059288 10213056 10319442 10577808 10711904 11342016 11735836 11793648 12050892 12340776 13412384 13759256 13772448 14103744 14250658 14568624 15088932 15479163 15724864 16067856 16454368 17422272 17603754 17690472 18511164 19424832 20118576 20638884 21155616 21375987 21423808 23471672 23587296 24101784 24681552 26405631 26824768 27518512 27544896 28501316 29137248 30177864 30958326 32135712 32908736 35207508 35380944 37022328 40237152 41277768 42311232 42751974 46943344 47174592 48203568 49363104 49877303 52811262 55037024 57002632 58274496 60355728 61916652 64127961 64271424 70415016 70761888 74044656 80474304 82555536 85503948 93886688 96407136 98726208 99754606 105622524 110074048 114005264 120711456 123833304 128255922 140830032 141523776 148089312 149631909 165111072 171007896 187773376 192814272 199509212 211245048 228010528 241422912 247666608 256511844 281660064 296178624 299263818 330222144 342015792 399018424 422490096 448895727 456021056 495333216 513023688 563320128 598527636 684031584 798036848 844980192 897791454 990666432 1026047376 1197055272 1368063168 1596073696 1689960384 1795582908 2052094752 2394110544 3192147392 3591165816 4104189504 4788221088 7182331632 9576442176 14364663264 28729326528
• Sum of all divisors σ(n): 104845104000
• Sum of proper divisors (its aliquot sum) s(n): 76115777472
• 28729326528 is an abundant number, because the sum of its proper divisors (76115777472) is greater than itself. Its abundance is 47386450944

Bases of 28729326528

• Binary: 11010110000011001101011101111000000₂
• Hexadecimal: 0x6B066BBC0
• Base-36: D74P680

Squares and roots of 28729326528

• 28729326528 squared (28729326528²) is 825374202752444534784
• 28729326528 cubed (28729326528³) is 23712444978662655390018589949952
• The square root of 28729326528 is 169497.2758719149
• The cube root of 28729326528 is 3062.7283726917

Scales and comparisons

• 28,729,326,528 seconds is equal to 913 years, 26 weeks, 1 day, 8 hours, 28 minutes, 48 seconds.
• To count from 1 to 28,729,326,528 would take you about one thousand, eight hundred twenty-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 28729326528 cubic inches would be around 255.2 feet tall.

Recreational maths with 28729326528

• 28729326528 backwards is 82562392782
• The number of decimal digits it has is: 11
• The sum of 28729326528's digits is 54
• More coming soon!