28228142977920

Names of 28228142977920

• Cardinal: 28228142977920 can be written as Twenty-eight trillion, two hundred twenty-eight billion, one hundred forty-two million, nine hundred seventy-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.822814297792 × 10¹³

Factors of 28228142977920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 39342

Divisors of 28228142977920

• Number of divisors d(n): 704
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 32 36 38 40 45 48 54 57 60 64 72 76 80 81 90 95 96 108 114 120 128 135 144 152 160 162 171 180 190 192 216 228 240 243 270 285 288 304 320 324 342 360 380 384 405 432 456 480 486 513 540 570 576 608 640 648 684 720 729 760 810 855 864 912 960 972 1026 1080 1140 1152 1215 1216 1296 1368 1440 1458 1520 1539 1620 1710 1728 1824 1920 1944 2052 2160 2187 2280 2430 2432 2565 2592 2736 2880 2916 3040 3078 3240 3420 3456 3645 3648 3888 4104 4320 4374 4560 4617 4860 5130 5184 5472 5760 5832 6080 6156 6480 6561 6840 7290 7296 7695 7776 8208 8640 8748 9120 9234 9720 10260 10368 10935 10944 11664 12160 12312 12960 13122 13680 13851 14580 15390 15552 16416 17280 17496 18240 18468 19440 19683 20520 21870 21888 23085 23328 24624 25920 26244 27360 27702 29160 30780 31104 32805 32832 34992 36480 36936 38880 39313 39366 41040 41553 43740 46170 46656 49248 51840 52488 54720 55404 58320 59049 61560 65610 65664 69255 69984 73872 77760 78626 78732 82080 83106 87480 92340 93312 98415 98496 104976 109440 110808 116640 117939 118098 123120 124659 131220 138510 139968 147744 155520 157252 157464 164160 166212 174960 184680 196565 196830 196992 207765 209952 221616 233280 235878 236196 246240 249318 262440 277020 279936 295245 295488 314504 314928 328320 332424 349920 353817 369360 373977 393130 393660 415530 419904 443232 466560 471756 472392 492480 498636 524880 554040 589695 590490 590976 623295 629008 629856 664848 699840 707634 738720 746947 747954 786260 787320 831060 839808 886464 943512 944784 984960 997272 1049760 1061451 1108080 1121931 1179390 1180980 1246590 1258016 1259712 1329696 1399680 1415268 1477440 1493894 1495908 1572520 1574640 1662120 1769085 1772928 1869885 1887024 1889568 1994544 2099520 2122902 2216160 2240841 2243862 2358780 2361960 2493180 2516032 2519424 2659392 2830536 2954880 2987788 2991816 3145040 3149280 3184353 3324240 3538170 3734735 3739770 3774048 3779136 3989088 4199040 4245804 4432320 4481682 4487724 4717560 4723920 4986360 5032064 5307255 5318784 5609655 5661072 5975576 5983632 6290080 6298560 6368706 6648480 6722523 7076340 7469470 7479540 7548096 7558272 7978176 8491608 8864640 8963364 8975448 9435120 9447840 9553059 9972720 10614510 11204205 11219310 11322144 11951152 11967264 12580160 12597120 12737412 13296960 13445046 14152680 14938940 14959080 15096192 15921765 15956352 16983216 17926728 17950896 18870240 18895680 19106118 19945440 20167569 21229020 22408410 22438620 22644288 23902304 23934528 25160320 25474824 26593920 26890092 28305360 28659177 29877880 29918160 31843530 33612615 33966432 35853456 35901792 37740480 37791360 38212236 39890880 40335138 42458040 44816820 44877240 45288576 47765295 47804608 47869056 50949648 53780184 56610720 57318354 59755760 59836320 60502707 63687060 67225230 67932864 71706912 71803584 75480960 76424472 79781760 80670276 84916080 85977531 89633640 89754480 95530590 95609216 100837845 101899296 107560368 113221440 114636708 119511520 119672640 121005414 127374120 134450460 135865728 143295885 143413824 143607168 152848944 161340552 169832160 171955062 179267280 179508960 181508121 191061180 201675690 203798592 215120736 226442880 229273416 239023040 239345280 242010828 254748240 257932593 268900920 286591770 286827648 302513535 305697888 322681104 339664320 343910124 358534560 359017920 363016242 382122360 403351380 407597184 429887655 430241472 458546832 478046080 484021656 509496480 515865186 537801840 544524363 573183540 605027070 611395776 645362208 679328640 687820248 717069120 718035840 726032484 764244720 773797779 806702760 859775310 860482944 907540605 917093664 968043312 1018992960 1031730372 1075603680 1089048726 1146367080 1210054140 1222791552 1289662965 1290724416 1375640496 1434138240 1452064968 1528489440 1547595558 1613405520 1633573089 1719550620 1815081210 1834187328 1936086624 2037985920 2063460744 2151207360 2178097452 2292734160 2321393337 2420108280 2579325930 2581448832 2722621815 2751280992 2904129936 3056978880 3095191116 3226811040 3267146178 3439101240 3630162420 3668374656 3868988895 3872173248 4126921488 4302414720 4356194904 4585468320 4642786674 4840216560 4900719267 5158651860 5445243630 5502561984 5808259872 6113957760 6190382232 6453622080 6534292356 6878202480 7260324840 7737977790 7744346496 8167865445 8253842976 8712389808 9170936640 9285573348 9680433120 9801438534 10317303720 10890487260 11005123968 11606966685 11616519744 12380764464 12907244160 13068584712 13756404960 14520649680 14702157801 15475955580 16335730890 16507685952 17424779616 18341873280 18571146696 19360866240 19602877068 20634607440 21780974520 23213933370 23233039488 24503596335 24761528928 26137169424 27512809920 29041299360 29404315602 30951911160 32671461780 33015371904 34849559232 37142293392 38721732480 39205754136 41269214880 43561949040 44106473403 46427866740 49007192670 49523057856 52274338848 55025619840 58082598720 58808631204 61903822320 65342923560 69699118464 73510789005 74284586784 78411508272 82538429760 87123898080 88212946806 92855733480 98014385340 99046115712 104548677696 116165197440 117617262408 123807644640 130685847120 147021578010 148569173568 156823016544 165076859520 174247796160 176425893612 185711466960 196028770680 209097355392 220532367015 235234524816 247615289280 261371694240 294043156020 297138347136 313646033088 348495592320 352851787224 371422933920 392057541360 441064734030 470469049632 495230578560 522743388480 588086312040 627292066176 705703574448 742845867840 784115082720 882129468060 940938099264 1045486776960 1176172624080 1411407148896 1485691735680 1568230165440 1764258936120 1881876198528 2352345248160 2822814297792 3136460330880 3528517872240 4704690496320 5645628595584 7057035744480 9409380992640 14114071488960 28228142977920
• Sum of all divisors σ(n): 106554063013200
• Sum of proper divisors (its aliquot sum) s(n): 78325920035280
• 28228142977920 is an abundant number, because the sum of its proper divisors (78325920035280) is greater than itself. Its abundance is 50097777057360

Bases of 28228142977920

• Binary: 110011010110001100000011011110101001110000000₂
• Hexadecimal: 0x19AC606F5380
• Base-36: A07TVI000

Squares and roots of 28228142977920

• 28228142977920 squared (28228142977920²) is 796828055981894205607526400
• 28228142977920 cubed (28228142977920³) is 22492976293074951570680433035661017088000
• The square root of 28228142977920 is 5313016.3728262687
• The cube root of 28228142977920 is 30448.1401175155

Scales and comparisons

• 28,228,142,977,920 seconds is equal to 897,567 years, 32 weeks, 5 days, 19 hours, 12 minutes.
• To count from 1 to 28,228,142,977,920 would take you about two million, two hundred forty-three thousand, nine hundred nineteen 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 28228142977920 cubic inches would be around 2537.3 feet tall.

Recreational maths with 28228142977920

• 28228142977920 backwards is 02977924182282
• The number of decimal digits it has is: 14
• The sum of 28228142977920's digits is 63
• More coming soon!