15978680403840

Names of 15978680403840

• Cardinal: 15978680403840 can be written as Fifteen trillion, nine hundred seventy-eight billion, six hundred eighty million, four hundred three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.597868040384 × 10¹³

Factors of 15978680403840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 257

Divisors of 15978680403840

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 27 28 30 32 33 35 36 40 42 44 45 48 54 55 56 60 63 64 66 70 72 77 80 84 88 90 96 99 105 108 110 112 120 126 128 132 135 140 144 154 160 165 168 176 180 189 192 198 210 216 220 224 229 231 240 252 264 270 280 288 297 308 315 320 330 336 352 360 378 384 385 396 420 432 440 448 458 462 480 495 504 528 540 560 576 594 616 630 640 660 672 687 693 704 720 756 770 792 840 864 880 896 916 924 945 960 990 1008 1056 1080 1120 1145 1152 1155 1188 1232 1260 1320 1344 1374 1386 1408 1440 1485 1512 1540 1584 1603 1680 1728 1760 1832 1848 1890 1920 1980 2016 2061 2079 2112 2160 2240 2290 2310 2376 2464 2519 2520 2640 2688 2748 2772 2880 2970 3024 3080 3168 3206 3360 3435 3456 3465 3520 3664 3696 3780 3960 4032 4122 4158 4224 4320 4480 4580 4620 4752 4809 4928 5038 5040 5280 5496 5544 5760 5940 6048 6160 6183 6336 6412 6720 6870 6930 7040 7328 7392 7557 7560 7920 8015 8064 8244 8316 8640 9160 9240 9504 9618 9856 10076 10080 10305 10395 10560 10992 11088 11880 12096 12320 12366 12595 12672 12824 13440 13740 13860 14427 14656 14784 15114 15120 15840 16030 16488 16632 17280 17633 18320 18480 19008 19236 20152 20160 20610 20790 21120 21984 22176 22671 23760 24045 24192 24640 24732 25190 25648 27480 27720 28854 29312 29568 30228 30240 30915 31680 32060 32976 33264 35266 36640 36960 37785 38016 38472 40304 40320 41220 41580 43281 43968 44352 45342 47520 48090 49280 49464 50380 51296 52441 52899 54960 55440 57708 60456 60480 61830 63360 64120 65952 66528 68013 70532 72135 73280 73920 75570 76944 80608 82440 83160 86562 87936 88165 88704 90684 95040 96180 98928 100760 102592 104882 105798 109920 110880 113355 115416 120912 120960 123660 128240 131904 133056 136026 141064 144270 146560 147840 151140 153888 157323 158697 161216 164880 166320 173124 176330 181368 190080 192360 197856 201520 205184 209764 211596 216405 219840 221760 226710 230832 241824 247320 256480 262205 263808 264495 266112 272052 282128 288540 302280 307776 314646 317394 322432 329760 332640 340065 346248 352660 362736 367087 384720 395712 403040 419528 423192 432810 439680 443520 453420 461664 471969 476091 483648 494640 512960 524410 528990 544104 564256 576851 577080 604560 615552 629292 634788 659520 665280 680130 692496 705320 725472 734174 769440 786615 791424 793485 806080 839056 846384 865620 906840 923328 943938 952182 967296 989280 1025920 1048820 1057980 1088208 1101261 1128512 1153702 1154160 1209120 1258584 1269576 1319040 1330560 1360260 1384992 1410640 1415907 1450944 1468348 1538880 1573230 1586970 1612160 1678112 1692768 1730553 1731240 1813680 1835435 1846656 1887876 1904364 1978560 2097640 2115960 2176416 2202522 2257024 2307404 2308320 2359845 2380455 2418240 2517168 2539152 2720520 2769984 2821280 2831814 2884255 2901888 2936696 3077760 3146460 3173940 3303783 3356224 3385536 3461106 3462480 3627360 3670870 3775752 3808728 3957120 4037957 4195280 4231920 4352832 4405044 4614808 4616640 4719690 4760910 4836480 5034336 5078304 5191659 5441040 5506305 5539968 5642560 5663628 5768510 5873392 6292920 6347880 6607566 6712448 6771072 6922212 6924960 7079535 7254720 7341740 7551504 7617456 8075914 8390560 8463840 8652765 8705664 8810088 9229616 9233280 9439380 9521820 9911349 10068672 10156608 10383318 10882080 11012610 11285120 11327256 11537020 11746784 12008989 12113871 12585840 12695760 13215132 13844424 13849920 14159070 14509440 14683480 15103008 15234912 15574977 16151828 16518915 16781120 16927680 17305530 17620176 18459232 18878760 19043640 19822698 20137344 20189785 20313216 20766636 21764160 22025220 22654512 23074040 23493568 24017978 24227742 25171680 25391520 25958295 26430264 27688848 27699840 28318140 29366960 30206016 30469824 31149954 32303656 33037830 33562240 33855360 34611060 35240352 36026967 36341613 36918464 37757520 38087280 39645396 40379570 41533272 43528320 44050440 45309024 46148080 46987136 48035956 48455484 49556745 50343360 50783040 51916590 52860528 55377696 56636280 58733920 60044945 60412032 60569355 60939648 62299908 64607312 66075660 69222120 70480704 72053934 72683226 73836928 75515040 76174560 77874885 79290792 80759140 83066544 84062923 88100880 90618048 92296160 96071912 96910968 99113490 100686720 101566080 103833180 105721056 108080901 109024839 110755392 113272560 117467840 120089890 121138710 124599816 129214624 132098879 132151320 138444240 140961408 144107868 145366452 151030080 152349120 155749770 158581584 161518280 166133088 168125846 176201760 180134835 181236096 181708065 184592320 192143824 193821936 198226980 207666360 211442112 216161802 218049678 221510784 226545120 234935680 240179780 242277420 249199632 252188769 258429248 264197758 264302640 276888480 288215736 290732904 302060160 304698240 311499540 317163168 323036560 324242703 332266176 336251692 352403520 360269670 363416130 369184640 384287648 387643872 396296637 396453960 415332720 420314615 422884224 432323604 436099356 453090240 480359560 484554840 498399264 504377538 516858496 528395516 528605280 540404505 545124195 553776960 576431472 581465808 622999080 634326336 646073120 648485406 660494395 664532352 672503384 704807040 720539340 726832260 756566307 768575296 775287744 792593274 792907920 830665440 840629230 864647208 872198712 906180480 924692153 960719120 969109680 996798528 1008755076 1056791032 1057210560 1080809010 1090248390 1107553920 1152862944 1162931616 1188889911 1245998160 1260943845 1268652672 1292146240 1296970812 1320988790 1345006768 1441078680 1453664520 1513132614 1537150592 1550575488 1585186548 1585815840 1621213515 1661330880 1681258460 1729294416 1744397424 1849384306 1921438240 1938219360 1981483185 1993597056 2017510152 2113582064 2114421120 2161618020 2180496780 2269698921 2305725888 2325863232 2377779822 2491996320 2521887690 2584292480 2593941624 2641977580 2690013536 2774076459 2882157360 2907329040 3026265228 3170373096 3171631680 3242427030 3322661760 3362516920 3458588832 3488794848 3566669733 3698768612 3782831535 3842876480 3876438720 3962966370 4035020304 4227164128 4323236040 4360993560 4539397842 4611451776 4623460765 4651726464 4755559644 4983992640 5043775380 5187883248 5283955160 5380027072 5548152918 5764314720 5814658080 5944449555 6052530456 6340746192 6343263360 6484854060 6725033840 6917177664 6977589696 7133339466 7397537224 7565663070 7685752960 7752877440 7925932740 8070040608 8322229377 8454328256 8646472080 8721987120 9078795684 9246921530 9511119288 9967985280 10087550760 10375766496 10567910320 10760054144 11096305836 11348494605 11528629440 11629316160 11888899110 12105060912 12681492384 12969708120 13450067680 13834355328 13870382295 13955179392 14266678932 14795074448 15131326140 15851865480 16140081216 16644458754 16908656512 17292944160 17443974240 17833348665 18157591368 18493843060 19022238576 20175101520 20751532992 21135820640 22192611672 22696989210 23057258880 23258632320 23777798220 24210121824 24966688131 25362984768 25939416240 26900135360 27740764590 28533357864 29590148896 30262652280 31703730960 32280162432 33288917508 34585888320 34887948480 35666697330 36315182736 36987686120 38044477152 40350203040 41503065984 41611146885 42271641280 44385223344 45393978420 47555596440 48420243648 49933376262 50725969536 51878832480 53800270720 55481529180 57066715728 59180297792 60525304560 63407461920 66577835016 69171776640 69775896960 71333394660 72630365472 73975372240 76088954304 80700406080 83222293770 84543282560 88770446688 90787956840 95111192880 96840487296 99866752524 103757664960 110963058360 114133431456 118360595584 121050609120 124833440655 126814923840 133155670032 142666789320 145260730944 147950744480 152177908608 161400812160 166444587540 177540893376 181575913680 190222385760 199733505048 207515329920 221926116720 228266862912 242101218240 249666881310 253629847680 266311340064 285333578640 290521461888 295901488960 332889175080 355081786752 363151827360 380444771520 399467010096 443852233440 456533725824 484202436480 499333762620 532622680128 570667157280 591802977920 665778350160 726303654720 760889543040 798934020192 887704466880 998667525240 1065245360256 1141334314560 1331556700320 1452607309440 1597868040384 1775408933760 1997335050480 2282668629120 2663113400640 3195736080768 3994670100960 5326226801280 7989340201920 15978680403840
• Sum of all divisors σ(n): 70864664832000
• Sum of proper divisors (its aliquot sum) s(n): 54885984428160
• 15978680403840 is an abundant number, because the sum of its proper divisors (54885984428160) is greater than itself. Its abundance is 38907304024320

Bases of 15978680403840

• Binary: 11101000100001010011100100011100011110000000₂
• Hexadecimal: 0xE885391C780
• Base-36: 5NWI5R6O0

Squares and roots of 15978680403840

• 15978680403840 squared (15978680403840²) is 255318227448060425486745600
• 15978680403840 cubed (15978680403840³) is 4079648357667487132141274412375343104000
• The square root of 15978680403840 is 3997334.1621435655
• The cube root of 15978680403840 is 25187.2239364995

Scales and comparisons

• 15,978,680,403,840 seconds is equal to 508,072 years, 31 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 15,978,680,403,840 would take you about one million, two hundred seventy thousand, one hundred eighty-one 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 15978680403840 cubic inches would be around 2098.9 feet tall.

Recreational maths with 15978680403840

• 15978680403840 backwards is 04830408687951
• 15978680403840 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 15978680403840's digits is 63
• More coming soon!