2128138516478800

Names of 2128138516478800

• Cardinal: 2128138516478800 can be written as Two quadrillion, one hundred twenty-eight trillion, one hundred thirty-eight billion, five hundred sixteen million, four hundred seventy-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.1281385164788 × 10¹⁵

Factors of 2128138516478800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 883

Divisors of 2128138516478800

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 25 28 34 35 40 50 56 68 70 80 85 100 109 112 119 136 140 170 175 200 218 238 272 280 340 350 400 425 436 476 545 560 595 680 700 743 763 850 872 952 1090 1190 1360 1400 1486 1526 1700 1744 1853 1904 2180 2380 2725 2800 2972 2975 3052 3400 3706 3715 3815 4360 4760 5201 5450 5944 5950 6104 6800 7412 7430 7630 8720 9265 9520 10402 10900 11888 11900 12208 12631 12971 14824 14860 15260 18530 18575 19075 20804 21800 23800 25262 25942 26005 29648 29720 30520 37060 37150 38150 41608 43600 46325 47600 50524 51884 52010 59440 61040 63155 64855 74120 74300 76300 80987 83216 88417 92650 101048 103768 104020 126310 129710 130025 148240 148600 152600 161974 176834 185300 202096 207536 208040 252620 259420 260050 297200 305200 315775 323948 324275 353668 370600 404935 416080 442085 505240 518840 520100 552049 566909 631550 647896 648550 707336 741200 809870 884170 1010480 1037680 1040200 1104098 1133818 1263100 1295792 1297100 1376779 1414672 1619740 1768340 2024675 2080400 2208196 2210425 2267636 2526200 2594200 2753558 2760245 2834545 3239480 3536680 3864343 4049350 4416392 4420850 4535272 5052400 5188400 5507116 5520490 5669090 6478960 6883895 7073360 7728686 8098700 8832784 8841700 9070544 9384833 9637453 11014232 11040980 11338180 13767790 13801225 14172725 15457372 16197400 17683400 18769666 19274906 19321715 22028464 22081960 22676360 27535580 27602450 28345450 30914744 32394800 34419475 35366800 37539332 38549812 38643430 44163920 45352720 46924165 48187265 55071160 55204900 56690900 60173341 61829488 65693831 68838950 75078664 77099624 77286860 93848330 96374530 96608575 110142320 110409800 113381800 120346682 131387662 137677900 150157328 154199248 154573720 187696660 192749060 193217150 220819600 226763600 234620825 240693364 240936325 262775324 275355800 300866705 309147440 328469155 375393320 385498120 386434300 410172407 421213387 469241650 481386728 481872650 525550648 550711600 601733410 656938310 750786640 770996240 772868600 820344814 842426774 938483300 962773456 963745300 1022946797 1051101296 1203466820 1313876620 1504333525 1545737200 1640689628 1642345775 1684853548 1876966600 1927490600 2045893594 2050862035 2106066935 2406933640 2627753240 2871206849 3008667050 3281379256 3284691550 3369707096 3753933200 3854981200 4091787188 4101724070 4212133870 4813867280 5114733985 5255506480 5742413698 6017334100 6562758512 6569383100 6739414192 6972930919 7160627579 8183574376 8203448140 8424267740 10229467970 10254310175 10530334675 11484827396 12034668200 13138766200 13945861838 14321255158 14356034245 16367148752 16406896280 16848535480 20458935940 20508620350 21060669350 22969654792 24069336400 25573669925 26277532400 27891723676 28642510316 28712068490 32813792560 33697070960 34864654595 35803137895 40917871880 41017240700 42121338700 44708792363 45939309584 48810516433 51147339850 55783447352 57285020632 57424136980 69729309190 71606275790 71780171225 81835743760 82034481400 84242677400 89417584726 97621032866 102294679700 111566894704 114570041264 114848273960 139458618380 143212551580 143560342450 164068962800 168485354800 174323272975 178835169452 179015689475 195242065732 204589359400 223543961815 229696547920 244052582165 278917236760 286425103160 287120684900 312961546541 348646545950 357670338904 358031378950 390484131464 409178718800 447087923630 488105164330 557834473520 572850206320 574241369800 625923093082 697293091900 715340677808 716062757900 760049470171 780968262928 894175847260 976210328660 1117719809075 1148482739600 1220262910825 1251846186164 1394586183800 1432125515800 1520098940342 1564807732705 1788351694520 1952420657320 2235439618150 2440525821650 2503692372328 2789172367600 2864251031600 3040197880684 3129615465410 3576703389040 3800247350855 3904841314640 4470879236300 4881051643300 5007384744656 5320346291197 6080395761368 6259230930820 7600494701710 7824038663525 8941758472600 9762103286600 10640692582394 12160791522736 12518461861640 15200989403420 15648077327050 17883516945200 19001236754275 19524206573200 21281385164788 25036923723280 26601731455985 30401978806840 31296154654100 38002473508550 42562770329576 53203462911970 60803957613680 62592309308200 76004947017100 85125540659152 106406925823940 125184618616400 133008657279925 152009894034200 212813851647880 266017314559850 304019788068400 425627703295760 532034629119700 1064069258239400 2128138516478800
• Sum of all divisors σ(n): 6252157568448000
• Sum of proper divisors (its aliquot sum) s(n): 4124019051969200
• 2128138516478800 is an abundant number, because the sum of its proper divisors (4124019051969200) is greater than itself. Its abundance is 1995880535490400

Bases of 2128138516478800

• Binary: 111100011111000011111011100010011101011101101010000₂
• Hexadecimal: 0x78F87DC4EBB50
• Base-36: KYD1C5SX1S

Squares and roots of 2128138516478800

• 2128138516478800 squared (2128138516478800²) is 4528973545320587699150849440000
• 2128138516478800 cubed (2128138516478800³) is 9638283041910286783818240577734457751872000000
• The square root of 2128138516478800 is 46131751.7169985645
• The cube root of 2128138516478800 is 128627.3425909767

Scales and comparisons

• 2,128,138,516,478,800 seconds is equal to 67,668,222 years, 3 weeks, 14 hours, 46 minutes, 40 seconds.
• To count from 1 to 2,128,138,516,478,800 would take you about two hundred three million, four thousand, six hundred sixty-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 2128138516478800 cubic inches would be around 10718.9 feet tall.

Recreational maths with 2128138516478800

• 2128138516478800 backwards is 0088746158318212
• The number of decimal digits it has is: 16
• The sum of 2128138516478800's digits is 64
• More coming soon!