28871968320

Names of 28871968320

• Cardinal: 28871968320 can be written as Twenty-eight billion, eight hundred seventy-one million, nine hundred sixty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.887196832 × 10¹⁰

Factors of 28871968320

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 288

Divisors of 28871968320

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 19 20 24 26 27 30 32 36 38 39 40 45 48 52 54 57 60 64 65 72 76 78 80 83 90 95 96 104 108 114 117 120 130 135 144 152 156 160 163 166 171 180 190 192 195 208 216 228 234 240 247 249 260 270 285 288 304 312 320 326 332 342 351 360 380 390 415 416 432 456 468 480 489 494 498 513 520 540 570 576 585 608 624 652 664 684 702 720 741 747 760 780 815 830 832 855 864 912 936 960 978 988 996 1026 1040 1079 1080 1140 1170 1216 1235 1245 1248 1304 1328 1368 1404 1440 1467 1482 1494 1520 1560 1577 1630 1660 1710 1728 1755 1824 1872 1956 1976 1992 2052 2080 2119 2158 2160 2223 2241 2280 2340 2445 2470 2490 2496 2565 2608 2656 2736 2808 2880 2934 2964 2988 3040 3097 3120 3154 3237 3260 3320 3420 3510 3648 3705 3735 3744 3912 3952 3984 4104 4160 4238 4316 4320 4401 4446 4482 4560 4680 4731 4890 4940 4980 5130 5216 5312 5395 5472 5616 5868 5928 5976 6080 6194 6240 6308 6357 6474 6520 6640 6669 6840 7020 7335 7410 7470 7488 7824 7885 7904 7968 8208 8476 8632 8640 8802 8892 8964 9120 9291 9360 9462 9711 9780 9880 9960 10260 10432 10595 10790 10944 11115 11205 11232 11736 11856 11952 12388 12480 12616 12714 12948 13040 13280 13338 13529 13680 14040 14193 14670 14820 14940 15485 15648 15770 15808 15936 16185 16416 16952 17264 17604 17784 17928 18240 18582 18720 18924 19071 19422 19560 19760 19920 20501 20520 21190 21580 22005 22230 22410 22464 23472 23655 23712 23904 24776 25232 25428 25896 26080 26560 26676 27058 27360 27873 28080 28386 29133 29340 29640 29880 30970 31296 31540 31785 32370 32832 33345 33904 34528 35208 35568 35856 37164 37440 37848 38142 38844 39120 39520 39840 40261 40587 41002 41040 42380 42579 43160 44010 44460 44820 46455 46944 47310 47424 47808 48555 49552 50464 50856 51792 52160 53352 54116 54720 55746 56160 56772 57213 58266 58680 59280 59760 61503 61940 63080 63570 64740 66690 67645 67808 69056 70416 70965 71136 71712 74328 75696 76284 77688 78240 79040 79680 80522 81174 82004 82080 83619 84760 85158 86320 88020 88920 89640 92910 93888 94620 95355 97110 99104 100928 101712 102505 103584 106704 108232 111492 112320 113544 114426 116532 117360 118560 119520 120783 121761 123006 123880 126160 127140 129480 133380 135290 135616 139365 140832 141930 142272 143424 145665 148656 151392 152568 155376 156480 161044 162348 164008 164160 167238 169520 170316 172640 175877 176040 177840 179280 184509 185820 189240 190710 194220 198208 201305 202935 203424 205010 207168 212895 213408 216464 222984 227088 228852 233064 234720 237120 239040 241566 243522 246012 247760 252320 254280 257051 258960 266760 270580 278730 281664 283860 286065 291330 297312 302784 305136 307515 310752 322088 324696 328016 334476 339040 340632 345280 351754 352080 355680 358560 362349 365283 369018 371640 378480 381420 388440 402610 405870 406848 410020 418095 425790 426816 432928 445968 454176 457704 466128 469440 483132 487044 492024 495520 504640 508560 514102 517920 527631 533520 541160 553527 557460 567720 572130 582660 594624 603915 608805 610272 615030 621504 644176 649392 656032 668952 678080 681264 703508 704160 711360 717120 724698 730566 738036 743280 756960 762840 771153 776880 805220 811740 820040 836190 851580 865856 879385 891936 908352 915408 922545 932256 966264 974088 984048 991040 1017120 1028204 1035840 1055262 1067040 1082320 1087047 1107054 1114920 1135440 1144260 1165320 1207830 1217610 1220544 1230060 1285255 1288352 1298784 1312064 1337904 1362528 1407016 1408320 1449396 1461132 1476072 1486560 1513920 1525680 1542306 1553760 1582893 1610440 1623480 1640080 1672380 1703160 1758770 1783872 1811745 1826415 1830816 1845090 1864512 1932528 1948176 1968096 2034240 2056408 2110524 2134080 2164640 2174094 2214108 2229840 2270880 2288520 2313459 2330640 2415660 2435220 2460120 2570510 2576704 2597568 2638155 2675808 2725056 2767635 2814032 2898792 2922264 2952144 2973120 3051360 3084612 3107520 3165786 3220880 3246960 3280160 3341663 3344760 3406320 3517540 3623490 3652830 3661632 3690180 3855765 3865056 3896352 3936192 4112816 4221048 4329280 4348188 4428216 4459680 4541760 4577040 4626918 4661280 4748679 4831320 4870440 4920240 5141020 5276310 5351616 5435235 5535270 5628064 5797584 5844528 5904288 6102720 6169224 6331572 6441760 6493920 6560320 6683326 6689520 6812640 6940377 7035080 7246980 7305660 7380360 7711530 7730112 7792704 7914465 8225632 8442096 8696376 8856432 8919360 9154080 9253836 9322560 9497358 9662640 9740880 9840480 10024989 10282040 10552620 10870470 11070540 11256128 11567295 11595168 11689056 11808576 12338448 12663144 12883520 12987840 13366652 13379040 13625280 13880754 14070160 14493960 14611320 14760720 15423060 15828930 16451264 16708315 16884192 17392752 17712864 18308160 18507672 18994716 19325280 19481760 19680960 20049978 20564080 21105240 21740940 22141080 23134590 23190336 23378112 23743395 24676896 25326288 26733304 26758080 27761508 28140320 28987920 29222640 29521440 30074967 30846120 31657860 33416630 33768384 34701885 34785504 35425728 37015344 37989432 38650560 38963520 40099956 41128160 42210480 43481880 44282160 46269180 47486790 49353792 50124945 50652576 53466608 55523016 56280640 57975840 58445280 59042880 60149934 61692240 63315720 66833260 69403770 69571008 74030688 75978864 80199912 82256320 84420960 86963760 88564320 90224901 92538360 94973580 100249890 101305152 106933216 111046032 115951680 116890560 120299868 123384480 126631440 133666520 138807540 148061376 150374835 151957728 160399824 168841920 173927520 177128640 180449802 185076720 189947160 200499780 213866432 222092064 240599736 246768960 253262880 267333040 277615080 300749670 303915456 320799648 347855040 360899604 370153440 379894320 400999560 444184128 451124505 481199472 506525760 534666080 555230160 601499340 641599296 721799208 740306880 759788640 801999120 902249010 962398944 1069332160 1110460320 1202998680 1443598416 1519577280 1603998240 1804498020 1924797888 2220920640 2405997360 2887196832 3207996480 3608996040 4811994720 5774393664 7217992080 9623989440 14435984160 28871968320
• Sum of all divisors σ(n): 117569894400
• Sum of proper divisors (its aliquot sum) s(n): 88697926080
• 28871968320 is an abundant number, because the sum of its proper divisors (88697926080) is greater than itself. Its abundance is 59825957760

Bases of 28871968320

• Binary: 11010111000111001110100011001000000₂
• Hexadecimal: 0x6B8E74640
• Base-36: D9HMHC0

Squares and roots of 28871968320

• 28871968320 squared (28871968320²) is 833590554671083622400
• 28871968320 cubed (28871968320³) is 24067400086314754366003642368000
• The square root of 28871968320 is 169917.5338804091
• The cube root of 28871968320 is 3067.7888466115

Scales and comparisons

• 28,871,968,320 seconds is equal to 918 years, 2 weeks, 7 hours, 12 minutes.
• To count from 1 to 28,871,968,320 would take you about one thousand, eight hundred thirty-six 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 28871968320 cubic inches would be around 255.6 feet tall.

Recreational maths with 28871968320

• 28871968320 backwards is 02386917882
• 28871968320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28871968320's digits is 54
• More coming soon!