28209248839912464

Names of 28209248839912464

• Cardinal: 28209248839912464 can be written as Twenty-eight quadrillion, two hundred nine trillion, two hundred forty-eight billion, eight hundred thirty-nine million, nine hundred twelve thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.8209248839912464 × 10¹⁶

Factors of 28209248839912464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 3589

Divisors of 28209248839912464

• Number of divisors d(n): 405
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 151 162 216 243 302 324 432 453 486 604 648 729 906 972 1208 1296 1359 1458 1812 1944 2187 2416 2718 2916 3433 3624 3888 4077 4374 5436 5832 6561 6866 7248 8154 8748 10299 10872 11664 12231 13122 13732 16308 17496 20598 21744 22801 24462 26244 27464 30897 32616 34992 36693 41196 45602 48924 52488 54928 61794 65232 68403 73386 82392 91204 92691 97848 104976 110079 123588 136806 146772 164784 182408 185382 195696 205209 220158 247176 273612 278073 293544 330237 364816 370764 410418 440316 494352 518383 547224 556146 587088 615627 660474 741528 820836 834219 880632 990711 1036766 1094448 1112292 1231254 1320948 1483056 1555149 1641672 1668438 1761264 1846881 1981422 2073532 2224584 2462508 2502657 2641896 3110298 3283344 3336876 3693762 3962844 4147064 4449168 4665447 4925016 5005314 5283792 5540643 6220596 6673752 7387524 7507971 7925688 8294128 9330894 9850032 10010628 11081286 11785489 12441192 13347504 13996341 14775048 15015942 15851376 16621929 18661788 20021256 22162572 22523913 23570978 24882384 27992682 29550096 30031884 33243858 35356467 37323576 40042512 41989023 44325144 45047826 47141956 49865787 55985364 60063768 66487716 70712934 74647152 78275833 83978046 88650288 90095652 94283912 99731574 106069401 111970728 120127536 125967069 132975432 141425868 149597361 156551666 167956092 180191304 188567824 199463148 212138802 223941456 234827499 251934138 265950864 282851736 299194722 313103332 318208203 335912184 360382608 377901207 398926296 424277604 469654998 503868276 565703472 598389444 626206664 636416406 671824368 704482497 755802414 797852592 848555208 939309996 954624609 1007736552 1133703621 1196778888 1252413328 1272832812 1408964994 1511604828 1697110416 1779608839 1878619992 1909249218 2015473104 2113447491 2267407242 2393557776 2545665624 2817929988 2863873827 3023209656 3401110863 3559217678 3757239984 3818498436 4226894982 4534814484 5091331248 5338826517 5635859976 5727747654 6046419312 6340342473 6802221726 7118435356 7636996872 8453789964 8591621481 9069628968 10677653034 11271719952 11455495308 12680684946 13604443452 14236870712 15273993744 16016479551 16907579928 17183242962 18139257936 19021027419 21355306068 22910990616 25361369892 25774864443 27208886904 28473741424 32032959102 33815159856 34366485924 38042054838 42710612136 45821981232 48049438653 50722739784 51549728886 54417773808 57063082257 64065918204 68732971848 76084109676 77324593329 85421224272 96098877306 101445479568 103099457772 114126164514 128131836408 137465943696 144148315959 152168219352 154649186658 171189246771 192197754612 206198915544 228252329028 256263672816 268720934689 288296631918 304336438704 309298373316 342378493542 384395509224 412397831088 432444947877 456504658056 513567740313 537441869378 576593263836 618596746632 684756987084 768791018448 806162804067 864889895754 913009316112 1027135480626 1074883738756 1153186527672 1237193493264 1297334843631 1369513974168 1612325608134 1729779791508 2054270961252 2149767477512 2306373055344 2418488412201 2594669687262 2739027948336 3224651216268 3459559583016 3892004530893 4108541922504 4299534955024 4836976824402 5189339374524 6449302432536 6919119166032 7255465236603 7784009061786 8217083845008 9673953648804 10378678749048 11676013592679 12898604865072 14510930473206 15568018123572 19347907297608 20757357498096 21766395709809 23352027185358 29021860946412 31136036247144 38695814595216 43532791419618 46704054370716 58043721892824 62272072494288 65299187129427 87065582839236 93408108741432 116087443785648 130598374258854 174131165678472 186816217482864 195897561388281 261196748517708 348262331356944 391795122776562 522393497035416 587692684164843 783590245553124 1044786994070832 1175385368329686 1567180491106248 1763078052494529 2350770736659372 3134360982212496 3526156104989058 4701541473318744 7052312209978116 9403082946637488 14104624419956232 28209248839912464
• Sum of all divisors σ(n): 82549512605417949
• Sum of proper divisors (its aliquot sum) s(n): 54340263765505485
• 28209248839912464 is an abundant number, because the sum of its proper divisors (54340263765505485) is greater than itself. Its abundance is 26131014925593021

Bases of 28209248839912464

• Binary: 1100100001110000010100110010000011110111100110000010000₂
• Hexadecimal: 0x643829907BCC10
• Base-36: 7PRCE0I2900

Squares and roots of 28209248839912464

• 28209248839912464 squared (28209248839912464²) is 795761720112102695987091182551296
• 28209248839912464 cubed (28209248839912464³) is 22447840379919079848802991574763448914740829753344
• 28209248839912464 is a perfect square number. Its square root is 167956092
• The cube root of 28209248839912464 is 304413.4524659257

Scales and comparisons

• 28,209,248,839,912,464 seconds is equal to 896,966,856 years, 9 weeks, 3 hours, 14 minutes, 24 seconds.
• To count from 1 to 28,209,248,839,912,464 would take you about two billion, six hundred ninety million, nine hundred thousand, five hundred sixty-eight 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 28209248839912464 cubic inches would be around 25367.8 feet tall.

Recreational maths with 28209248839912464

• 28209248839912464 backwards is 46421993884290282
• 28209248839912464 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 28209248839912464's digits is 81
• More coming soon!