28688398620480

Names of 28688398620480

• Cardinal: 28688398620480 can be written as Twenty-eight trillion, six hundred eighty-eight billion, three hundred ninety-eight million, six hundred twenty thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.868839862048 × 10¹³

Factors of 28688398620480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 18927

Divisors of 28688398620480

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 160 173 180 192 216 240 270 288 320 346 360 432 480 519 540 576 692 720 864 865 960 1038 1080 1087 1384 1440 1557 1728 1730 2076 2160 2174 2595 2768 2880 3114 3261 3460 4152 4320 4348 4671 5190 5435 5536 6228 6522 6920 7785 8304 8640 8696 9342 9783 10380 10870 11072 12456 13044 13840 15570 16305 16608 17392 17657 18684 19566 20760 21740 23355 24912 26088 27680 29349 31140 32610 33216 34784 35314 37368 39132 41520 43480 46710 48915 49824 52176 52971 55360 58698 62280 65220 69568 70628 74736 78264 83040 86960 88285 93420 97830 99648 104352 105942 117396 124560 130440 141256 146745 149472 156528 158913 166080 173920 176570 186840 188051 195660 208704 211884 234792 249120 260880 264855 282512 293490 298944 313056 317826 347840 353140 373680 376102 391320 423768 469584 476739 498240 521760 529710 564153 565024 586980 626112 635652 706280 747360 752204 782640 794565 847536 939168 940255 953478 1043520 1059420 1128306 1130048 1173960 1271304 1412560 1494720 1504408 1565280 1589130 1692459 1695072 1878336 1880510 1906956 2118840 2256612 2347920 2383695 2542608 2820765 2825120 3008816 3054661 3130560 3178260 3384918 3390144 3761020 3813912 4237680 4513224 4695840 4767390 5077377 5085216 5641530 5650240 6017632 6109322 6356520 6769836 7522040 7627824 8462295 8475360 9026448 9163983 9391680 9534780 10154754 10170432 11283060 12035264 12218644 12713040 13539672 15044080 15255648 15273305 16924590 16950720 18052896 18327966 19069560 19193159 20309508 22566120 24437288 25386885 25426080 27079344 27491949 30088160 30511296 30546610 33849180 36105792 36655932 38139120 38386318 40619016 45132240 45819915 48874576 50773770 50852160 54158688 54983898 57579477 60176320 61093220 67698360 73311864 76278240 76772636 81238032 82475847 90264480 91639830 95965795 97749152 101547540 108317376 109967796 115158954 122186440 135396720 137459745 146623728 152556480 153545272 162476064 164951694 172738431 180528960 183279660 191931590 195498304 203095080 219935592 230317908 244372880 270793440 274919490 287897385 293247456 307090544 324952128 329903388 345476862 366559320 383863180 406190160 412379235 439871184 460635816 488745760 518215293 541586880 549838980 575794770 586494912 614181088 659806776 690953724 733118640 767726360 812380320 824758470 863692155 879742368 921271632 977491520 1036430586 1099677960 1151589540 1228362176 1319613552 1381907448 1466237280 1535452720 1624760640 1649516940 1727384310 1759484736 1842543264 2072861172 2199355920 2303179080 2591076465 2639227104 2763814896 2932474560 3070905440 3299033880 3320416507 3454768620 3685086528 4145722344 4398711840 4606358160 5182152930 5278454208 5527629792 6141810880 6598067760 6640833014 6909537240 8291444688 8797423680 9212716320 9961249521 10364305860 11055259584 13196135520 13281666028 13819074480 16582889376 16602082535 18425432640 19922499042 20728611720 26392271040 26563332056 27638148960 29883748563 33165778752 33204165070 39844998084 41457223440 49806247605 53126664112 55276297920 59767497126 66408330140 79689996168 82914446880 89651245689 99612495210 106253328224 119534994252 132816660280 149418742815 159379992336 165828893760 179302491378 199224990420 212506656448 239069988504 265633320560 298837485630 318759984672 358604982756 398449980840 448256228445 478139977008 531266641120 597674971260 637519969344 717209965512 796899961680 896512456890 956279954016 1062533282240 1195349942520 1434419931024 1593799923360 1793024913780 1912559908032 2390699885040 2868839862048 3187599846720 3586049827560 4781399770080 5737679724096 7172099655120 9562799540160 14344199310240 28688398620480
• Sum of all divisors σ(n): 101890717102080
• Sum of proper divisors (its aliquot sum) s(n): 73202318481600
• 28688398620480 is an abundant number, because the sum of its proper divisors (73202318481600) is greater than itself. Its abundance is 44513919861120

Bases of 28688398620480

• Binary: 110100001011110001001110011110001011101000000₂
• Hexadecimal: 0x1A1789CF1740
• Base-36: A639NTQO0

Squares and roots of 28688398620480

• 28688398620480 squared (28688398620480²) is 823024215407558767075430400
• 28688398620480 cubed (28688398620480³) is 23611246765919843294331307131462254592000
• The square root of 28688398620480 is 5356155.2087742939
• The cube root of 28688398620480 is 30612.7329001597

Scales and comparisons

• 28,688,398,620,480 seconds is equal to 912,202 years, 17 weeks, 3 days, 16 hours, 48 minutes.
• To count from 1 to 28,688,398,620,480 would take you about two million, two hundred eighty thousand, five hundred five 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 28688398620480 cubic inches would be around 2551.1 feet tall.

Recreational maths with 28688398620480

• 28688398620480 backwards is 08402689388682
• 28688398620480 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28688398620480's digits is 72
• More coming soon!