668888384506521040

Names of 668888384506521040

• Cardinal: 668888384506521040 can be written as Six hundred sixty-eight quadrillion, eight hundred eighty-eight trillion, three hundred eighty-four billion, five hundred six million, five hundred twenty-one thousand and forty.

Scientific notation

• Scientific notation: 6.6888838450652104 × 10¹⁷

Factors of 668888384506521040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1188

Divisors of 668888384506521040

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 289 340 353 578 680 706 811 1156 1360 1412 1445 1622 1765 2312 2824 2890 3244 3530 4055 4624 5648 5780 6001 6488 7060 8110 11560 12002 12976 13787 14120 16220 23120 24004 27574 28240 30005 32440 48008 55148 60010 64880 68935 96016 102017 110296 120020 124609 137870 204034 220592 234379 240040 249218 275740 286283 408068 468758 480080 498436 510085 551480 572566 623045 657721 816136 937516 996872 1020170 1102960 1145132 1171895 1246090 1315442 1431415 1632272 1875032 1993744 2040340 2118353 2290264 2343790 2492180 2630884 2862830 3288605 3750064 4080680 4236706 4580528 4687580 4866811 4984360 5261768 5725660 6577210 8161360 8473412 9375160 9733622 9968720 10523536 10591765 11181257 11451320 13154420 16946824 18750320 19467244 21183530 22362514 22902640 24334055 26308840 33893648 36012001 38934488 42367060 43986977 44725028 48668110 52617680 55906285 72024002 77868976 82735787 84734120 87973954 89450056 97336220 101057899 111812570 144048004 165471574 169468240 175947908 178900112 180060005 190081369 194672440 202115798 219934885 223625140 232175513 288096008 330943148 351895816 360120010 380162738 389344880 404231596 413678935 439869770 447250280 464351026 505289495 576192016 661886296 703791632 720240020 747778609 760325476 808463192 827357870 879739540 894500560 928702052 950406845 1010578990 1160877565 1323772592 1440480040 1495557218 1520650952 1616926384 1654715740 1717984283 1759479080 1857404104 1900813690 2021157980 2321755130 2880960080 2991114436 3041301904 3309431480 3435968566 3518958160 3714808208 3738893045 3801627380 3946983721 4042315960 4643510260 5982228872 6618862960 6871937132 7477786090 7603254760 7893967442 8084631920 8589921415 9287020520 11964457744 12712236353 13743874264 14955572180 15206509520 15787934884 17179842830 18574041040 19734918605 25424472706 27487748528 29205732811 29911144360 31575869768 34359685660 35673438347 39469837210 50848945412 58411465622 59822288720 63151739536 63561181765 67098723257 68719371320 71346876694 78939674420 81957956089 101697890824 116822931244 127122363530 134197446514 137438742640 142693753388 146028664055 157879348840 163915912178 178367191735 203395781648 233645862488 254244727060 268394893028 285387506776 292057328110 315758697680 327831824356 335493616285 356734383470 409789780445 467291724976 508489454120 536789786056 570775013552 584114656220 606448451899 655663648712 670987232570 713468766940 819579560890 1016978908240 1073579572112 1168229312440 1212896903798 1311327297424 1341974465140 1393285253513 1426937533880 1639159121780 2336458624880 2425793807596 2683948930280 2786570507026 2853875067760 3032242259495 3278318243560 4851587615192 5367897860560 5573141014052 6064484518990 6556636487120 6966426267565 9703175230384 10309623682283 11146282028104 12128969037980 13932852535130 20619247364566 22292564056208 23685849309721 24257938075960 27865705070260 28931158499417 41238494729132 47371698619442 48515876151920 51548118411415 55731410140520 57862316998834 82476989458264 94743397238884 103096236822830 111462820281040 115724633997668 118429246548605 144655792497085 164953978916528 189486794477768 206192473645660 231449267995336 236858493097210 289311584994170 378973588955536 412384947291320 462898535990672 473716986194420 491829694490089 578623169988340 824769894582640 947433972388840 983659388980178 1157246339976680 1894867944777680 1967318777960356 2314492679953360 2459148472450445 3934637555920712 4918296944900890 7869275111841424 8361104806331513 9836593889801780 16722209612663026 19673187779603560 33444419225326052 39346375559207120 41805524031657565 66888838450652104 83611048063315130 133777676901304208 167222096126630260 334444192253260520 668888384506521040
• Sum of all divisors σ(n): 1658765601643910040
• Sum of proper divisors (its aliquot sum) s(n): 989877217137389000
• 668888384506521040 is an abundant number, because the sum of its proper divisors (989877217137389000) is greater than itself. Its abundance is 320988832630867960

Bases of 668888384506521040

• Binary: 100101001000010111100111000100011000111001010110010111010000₂
• Hexadecimal: 0x9485E7118E565D0
• Base-36: 52Y555R0VNPS

Squares and roots of 668888384506521040

• 668888384506521040 squared (668888384506521040²) is 447411670927743536071762283962681600
• 668888384506521040 cubed (668888384506521040³) is 299268469776221579475945202896293758436087205220864000
• The square root of 668888384506521040 is 817855968.0692689303
• The cube root of 668888384506521040 is 874549.8133743739

Scales and comparisons

• 668,888,384,506,521,040 seconds is equal to 21,268,581,619 years, 35 weeks, 5 days, 5 hours, 10 minutes, 40 seconds.
• To count from 1 to 668,888,384,506,521,040 would take you about sixty-three billion, eight hundred five million, seven hundred forty-four thousand, eight hundred fifty-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 668888384506521040 cubic inches would be around 72879.2 feet tall.

Recreational maths with 668888384506521040

• 668888384506521040 backwards is 040125605483888866
• The number of decimal digits it has is: 18
• The sum of 668888384506521040's digits is 82
• More coming soon!