19878368684564160

Names of 19878368684564160

• Cardinal: 19878368684564160 can be written as Nineteen quadrillion, eight hundred seventy-eight trillion, three hundred sixty-eight billion, six hundred eighty-four million, five hundred sixty-four thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.987836868456416 × 10¹⁶

Factors of 19878368684564160

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2097509

Divisors of 19878368684564160

• 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 96 108 120 135 144 160 180 192 216 240 270 288 320 360 432 479 480 540 576 720 864 958 960 1080 1437 1440 1728 1916 2160 2293 2395 2874 2880 3832 4311 4320 4586 4790 5748 6879 7185 7664 8622 8640 9172 9580 11465 11496 12933 13758 14370 15328 17244 18344 19160 20637 21555 22930 22992 25866 27516 28740 30656 34395 34488 36688 38320 41274 43110 45860 45984 51732 55032 57480 61911 64665 68790 68976 73376 76640 82548 86220 91720 91968 103185 103464 110064 114960 123822 129330 137580 137952 146752 153280 165096 172440 183440 206370 206928 220128 229920 247644 258660 275160 275904 309555 330192 344880 366880 412740 413856 440256 459840 495288 517320 550320 619110 660384 689760 733760 825480 827712 990576 1034640 1098347 1100640 1238220 1320768 1379520 1650960 1981152 2069280 2094727 2196694 2201280 2476440 3295041 3301920 3962304 4138560 4189454 4393388 4952880 5491735 6284181 6590082 6603840 8378908 8786776 9885123 9905760 10473635 10983470 12568362 13180164 16475205 16757816 17573552 18852543 19770246 19811520 20947270 21966940 25136724 26360328 29655369 31420905 32950410 33515632 35147104 37705086 39540492 41894540 43933880 49425615 50273448 52720656 56557629 59310738 62841810 65900820 67031264 70294208 75410172 79080984 83789080 87867760 94262715 98851230 100546896 105441312 113115258 118621476 125683620 131801640 134062528 148276845 150820344 158161968 167578160 175735520 188525430 197702460 201093792 210882624 226230516 237242952 251367240 263603280 282788145 296553690 301640688 316323936 335156320 351471040 377050860 395404920 402187584 452461032 474485904 502734480 527206560 565576290 593107380 603281376 632647872 670312640 754101720 790809840 904922064 948971808 1003374233 1005468960 1054413120 1131152580 1186214760 1206562752 1508203440 1581619680 1809844128 1897943616 2006748466 2010937920 2262305160 2372429520 3010122699 3016406880 3163239360 3619688256 4013496932 4524610320 4744859040 4803209011 5016871165 6020245398 6032813760 8026993864 9030368097 9049220640 9489718080 9606418022 10033742330 12040490796 14409627033 15050613495 16053987728 18060736194 18098441280 19212836044 20067484660 24016045055 24080981592 27091104291 28819254066 30101226990 32107975456 36121472388 38425672088 40134969320 43228881099 45151840485 48032090110 48161963184 54182208582 57638508132 60202453980 64215950912 72048135165 72242944776 76851344176 80269938640 86457762198 90303680970 96064180220 96323926368 108364417164 115277016264 120404907960 129686643297 135455521455 144096270330 144485889552 153702688352 160539877280 172915524396 180607361940 192128360440 192647852736 216144405495 216728834328 230554032528 240809815920 259373286594 270911042910 288192540660 288971779104 307405376704 321079754560 345831048792 361214723880 384256720880 432288810990 433457668656 461108065056 481619631840 518746573188 541822085820 576385081320 577943558208 648433216485 691662097584 722429447760 768513441760 864577621980 866915337312 922216130112 963239263680 1037493146376 1083644171640 1152770162640 1296866432970 1383324195168 1444858895520 1537026883520 1729155243960 1733830674624 2074986292752 2167288343280 2300737116269 2305540325280 2593732865940 2766648390336 2889717791040 3458310487920 4149972585504 4334576686560 4601474232538 4611080650560 5187465731880 6902211348807 6916620975840 8299945171008 8669153373120 9202948465076 10374931463760 11503685581345 13804422697614 13833241951680 18405896930152 20706634046421 20749862927520 23007371162690 27608845395228 34511056744035 36811793860304 41413268092842 41499725855040 46014742325380 55217690790456 62119902139263 69022113488070 73623587720608 82826536185684 92029484650760 103533170232105 110435381580912 124239804278526 138044226976140 147247175441216 165653072371368 184058969301520 207066340464210 220870763161824 248479608557052 276088453952280 310599510696315 331306144742736 368117938603040 414132680928420 441741526323648 496959217114104 552176907904560 621199021392630 662612289485472 736235877206080 828265361856840 993918434228208 1104353815809120 1242398042785260 1325224578970944 1656530723713680 1987836868456416 2208707631618240 2484796085570520 3313061447427360 3975673736912832 4969592171141040 6626122894854720 9939184342282080 19878368684564160
• Sum of all divisors σ(n): 70303549370572800
• Sum of proper divisors (its aliquot sum) s(n): 50425180686008640
• 19878368684564160 is an abundant number, because the sum of its proper divisors (50425180686008640) is greater than itself. Its abundance is 30546812001444480

Bases of 19878368684564160

• Binary: 1000110100111110100010101100000001010000101111011000000₂
• Hexadecimal: 0x469F4560285EC0
• Base-36: 5FQAKI6IPC0

Squares and roots of 19878368684564160

• 19878368684564160 squared (19878368684564160²) is 395149541559461052809849156505600
• 19878368684564160 cubed (19878368684564160³) is 7854928272655474681459161226997938410764599296000
• The square root of 19878368684564160 is 140990668.7854347331
• The cube root of 19878368684564160 is 270890.3787448753

Scales and comparisons

• 19,878,368,684,564,160 seconds is equal to 632,070,636 years, 17 weeks, 3 days, 21 hours, 36 minutes.
• To count from 1 to 19,878,368,684,564,160 would take you about one billion, eight hundred ninety-six million, two hundred eleven thousand, nine hundred nine 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 19878368684564160 cubic inches would be around 22574.2 feet tall.

Recreational maths with 19878368684564160

• 19878368684564160 backwards is 06146548686387891
• 19878368684564160 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 19878368684564160's digits is 90
• More coming soon!