28115720409942

Names of 28115720409942

• Cardinal: 28115720409942 can be written as Twenty-eight trillion, one hundred fifteen billion, seven hundred twenty million, four hundred nine thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 2.8115720409942 × 10¹³

Factors of 28115720409942

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 636

Divisors of 28115720409942

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 6 9 11 18 19 22 27 33 38 54 57 66 81 99 114 121 162 171 198 209 242 297 342 361 363 418 513 594 601 627 722 726 891 1026 1083 1089 1202 1254 1331 1539 1782 1803 1881 2166 2178 2299 2662 3078 3249 3267 3606 3762 3971 3993 4598 5409 5643 6498 6534 6611 6897 7942 7986 9747 9801 10818 11286 11419 11913 11979 13222 13794 16227 16929 19494 19602 19833 20691 22838 23826 23958 25289 29241 32454 33858 34257 35739 35937 39666 41382 43681 48681 50578 58482 59499 62073 68514 71478 71874 72721 75867 87362 97362 102771 107217 107811 118998 124146 125609 131043 145442 151734 178497 186219 205542 214434 215622 216961 218163 227601 251218 262086 308313 321651 356994 361201 372438 376827 393129 433922 436326 455202 480491 535491 616626 643302 650883 654489 682803 722402 753654 786258 799931 924939 960982 1070982 1083603 1130481 1179387 1301766 1308978 1365606 1381699 1441473 1599862 1849878 1952649 1963467 2048409 2167206 2260962 2358774 2386571 2399793 2763398 2882946 3250809 3391443 3538161 3905298 3926934 3973211 4096818 4145097 4324419 4773142 4799586 5857947 5890401 6501618 6782886 6862819 7076322 7159713 7199379 7946422 8290194 8648838 9752427 10174329 11715894 11780802 11919633 12435291 12973257 13725638 14319426 14398758 15198689 17573841 19504854 20348658 20588457 21479139 21598137 23839266 24870582 25946514 26252281 29257281 30397378 35147682 35758899 37305873 38919771 41176914 42958278 43196274 43705321 45596067 52504562 58514562 61765371 64437417 64794411 71517798 74611746 75491009 77839542 78756843 87410642 91192134 107276697 111917619 123530742 128874834 129588822 130393561 131115963 136788201 150982018 157513686 185296113 193312251 214553394 223835238 226473027 236270529 260787122 262231926 273576402 288775091 321830091 370592226 386624502 391180683 393347889 410364603 452946054 472541058 480758531 555888339 577550182 643660182 679419081 708811587 782361366 786695778 820729206 830401099 866325273 961517062 1111776678 1173542049 1180043667 1231093809 1358838162 1417623174 1434329171 1442275593 1660802198 1732650546 2038257243 2126434761 2347084098 2360087334 2462187618 2491203297 2598975819 2868658342 2884551186 3520626147 3540131001 4076514486 4252869522 4302987513 4326826779 4982406594 5197951638 6114771729 7041252294 7080262002 7473609891 7796927457 8605975026 8653653558 9134412089 10561878441 12229543458 12908962539 12980480337 14947219782 15593854914 15777620881 18268824178 21123756882 22420829673 23390782371 25817925078 25960960674 27403236267 31555241762 38726887617 38941441011 44841659346 46781564742 47332862643 54806472534 67262489019 77453775234 77882882022 82209708801 94665725286 116180662851 134524978038 141998587929 164419417602 173553829691 232361325702 246629126403 283997175858 347107659382 425995763787 493258252806 520661489073 739887379209 851991527574 1041322978146 1277987291361 1479774758418 1561984467219 2555974582722 3123968934438 4685953401657 9371906803314 14057860204971 28115720409942
• Sum of all divisors σ(n): 73256276612376
• Sum of proper divisors (its aliquot sum) s(n): 45140556202434
• 28115720409942 is an abundant number, because the sum of its proper divisors (45140556202434) is greater than itself. Its abundance is 17024835792492

Bases of 28115720409942

• Binary: 110011001001000110011100001110001001101010110₂
• Hexadecimal: 0x199233871356
• Base-36: 9YS6M07DI

Squares and roots of 28115720409942

• 28115720409942 squared (28115720409942²) is 790493734170029144532443364
• 28115720409942 cubed (28115720409942³) is 22225300815735554192643796106000977524888
• The square root of 28115720409942 is 5302425.8985809505
• The cube root of 28115720409942 is 30407.6649971479

Scales and comparisons

• 28,115,720,409,942 seconds is equal to 893,992 years, 48 weeks, 6 days, 16 hours, 5 minutes, 42 seconds.
• To count from 1 to 28,115,720,409,942 would take you about two million, two hundred thirty-four thousand, nine hundred eighty-two 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 28115720409942 cubic inches would be around 2534 feet tall.

Recreational maths with 28115720409942

• 28115720409942 backwards is 24990402751182
• 28115720409942 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28115720409942's digits is 54
• More coming soon!