168121792800

Names of 168121792800

• Cardinal: 168121792800 can be written as One hundred sixty-eight billion, one hundred twenty-one million, seven hundred ninety-two thousand, eight hundred.

Scientific notation

• Scientific notation: 1.681217928 × 10¹¹

Factors of 168121792800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 550

Divisors of 168121792800

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 29 30 32 36 39 40 45 48 50 52 58 60 65 72 75 78 80 87 90 96 100 104 116 117 120 130 144 145 150 156 160 174 180 195 200 208 225 232 234 240 241 257 260 261 288 290 300 312 325 348 360 377 390 400 416 435 450 464 468 480 482 514 520 522 580 585 600 624 650 696 720 723 725 754 771 780 800 870 900 928 936 964 975 1028 1040 1044 1131 1160 1170 1200 1205 1248 1285 1300 1305 1392 1440 1446 1450 1508 1542 1560 1740 1800 1872 1885 1928 1950 2056 2080 2088 2169 2175 2262 2313 2320 2340 2400 2410 2570 2600 2610 2784 2892 2900 2925 3016 3084 3120 3133 3341 3393 3480 3600 3615 3744 3770 3855 3856 3900 4112 4176 4338 4350 4524 4626 4640 4680 4820 5140 5200 5220 5655 5784 5800 5850 6025 6032 6168 6240 6266 6425 6525 6682 6786 6960 6989 7200 7230 7453 7540 7710 7712 7800 8224 8352 8676 8700 9048 9252 9360 9399 9425 9640 10023 10280 10400 10440 10845 11310 11565 11568 11600 11700 12050 12064 12336 12532 12850 13050 13364 13572 13920 13978 14460 14906 15080 15420 15600 15665 16705 16965 17352 17400 18075 18096 18504 18720 18798 18850 19275 19280 20046 20560 20880 20967 21690 22359 22620 23130 23136 23200 23400 24100 24672 25064 25700 26100 26728 27144 27956 28197 28275 28920 29812 30069 30160 30840 31200 31330 33410 33930 34704 34800 34945 36150 36192 37008 37265 37596 37700 38550 38560 40092 41120 41760 41934 43380 44718 45240 46260 46800 46995 48200 50115 50128 51400 52200 53456 54225 54288 55912 56394 56550 57825 57840 59624 60138 60320 61680 61937 62660 62901 66820 67077 67860 69408 69600 69890 72300 74016 74530 75192 75400 77100 78325 80184 83525 83868 84825 86760 89436 90480 90857 92520 93600 93990 96400 96889 100230 100256 102800 104400 104835 106912 108450 108576 111795 111824 112788 113100 115650 115680 119248 120276 123360 123874 125320 125802 133640 134154 135720 139780 140985 144600 149060 150345 150384 150800 154200 156650 160368 167050 167736 169650 173520 174725 178872 180960 181714 185040 185811 186325 187980 192800 193778 200460 205600 208800 209670 216900 223590 223648 225576 226200 231300 234975 238496 240552 247748 250575 250640 251604 267280 268308 271440 272571 279560 281970 289200 290667 298120 300690 300768 301600 308400 309685 313300 314505 320736 334100 335385 335472 339300 347040 349450 357744 363428 370080 371622 372650 375960 387556 400920 419340 433800 447180 451152 452400 454285 462600 469950 481104 484445 495496 501150 501280 503208 524175 534560 536616 542880 545142 557433 558975 559120 563940 578400 581334 596240 601380 616800 619370 626600 629010 668200 670770 670944 678600 698900 704925 715488 726856 743244 745300 751725 751920 775112 801840 805181 817713 838680 867600 872001 894360 902304 904800 908570 925200 929055 939900 962208 968890 990992 1002300 1006416 1048350 1073232 1090284 1114866 1117950 1118240 1127880 1162668 1192480 1202760 1238740 1253200 1258020 1336400 1341540 1357200 1362855 1397800 1409850 1453335 1453712 1486488 1490600 1503450 1503840 1548425 1550224 1572525 1603680 1610362 1635426 1676925 1677360 1735200 1744002 1788720 1796173 1817140 1850400 1858110 1879800 1937780 1981984 2004600 2012832 2096700 2146464 2180568 2229732 2235900 2255760 2271425 2325336 2405520 2415543 2422225 2477480 2506400 2516040 2672800 2683080 2714400 2725710 2787165 2795600 2819700 2906670 2907424 2972976 2981200 3006900 3096850 3100448 3145050 3220724 3270852 3353850 3354720 3488004 3577440 3592346 3634280 3716220 3759600 3875560 4009200 4025905 4088565 4193400 4360005 4361136 4459464 4471800 4511520 4542850 4645275 4650672 4811040 4831086 4844450 4954960 5032080 5366160 5388519 5451420 5574330 5591200 5639400 5813340 5945952 5962400 6013800 6193700 6290100 6441448 6541704 6707700 6814275 6976008 7184692 7246629 7266675 7268560 7432440 7519200 7751120 8018400 8051810 8177130 8386800 8720010 8722272 8918928 8943600 8980865 9085700 9290550 9301344 9662172 9688900 9909920 10064160 10732320 10777038 10902840 11148660 11278800 11626680 12027600 12077715 12387400 12580200 12882896 13083408 13415400 13628550 13935825 13952016 14369384 14493258 14533350 14537120 14864880 15502240 16103620 16165557 16354260 16773600 17440020 17837856 17887200 17961730 18171400 18581100 19324344 19377800 20129525 20442825 21554076 21800025 21805680 22297320 22557600 23253360 23350249 24055200 24155430 24774800 25160400 25765792 26166816 26830800 26942595 27257100 27871650 27904032 28738768 28986516 29066700 29729760 32207240 32331114 32708520 34880040 35923460 36233145 36342800 37162200 38648688 38755600 40259050 40885650 43108152 43600050 43611360 44594640 44904325 46506720 46700498 48310860 49549600 50320800 53661600 53885190 54514200 55743300 57477536 57973032 58133400 60388575 64414480 64662228 65417040 69760080 70050747 71846920 72466290 72685600 74324400 77297376 77511200 80518100 80827785 81771300 86216304 87200100 89189280 89808650 93400996 96621720 107770380 109028400 111486600 115946064 116266800 116751245 120777150 128828960 129324456 130834080 134712975 139520160 140101494 143693840 144932580 148648800 161036200 161655570 163542600 172432608 174400200 179617300 181165725 186801992 193243440 210152241 215540760 218056800 222973200 231892128 232533600 233502490 241554300 258648912 269425950 280202988 287387680 289865160 322072400 323311140 327085200 348800400 350253735 359234600 362331450 373603984 386486880 404138925 420304482 431081520 445946400 467004980 483108600 517297824 538851900 560405976 579730320 583756225 644144800 646622280 654170400 697600800 700507470 718469200 724662900 747207968 808277850 840608964 862163040 934009960 966217200 1050761205 1077703800 1120811952 1159460640 1167512450 1293244560 1401014940 1436938400 1449325800 1616555700 1681217928 1751268675 1868019920 1932434400 2101522410 2155407600 2241623904 2335024900 2586489120 2802029880 2898651600 3233111400 3362435856 3502537350 3736039840 4203044820 4310815200 4670049800 5253806025 5604059760 5797303200 6466222800 6724871712 7005074700 8406089640 9340099600 10507612050 11208119520 12932445600 14010149400 16812179280 18680199200 21015224100 28020298800 33624358560 42030448200 56040597600 84060896400 168121792800
• Sum of all divisors σ(n): 665778793680
• Sum of proper divisors (its aliquot sum) s(n): 497657000880
• 168121792800 is an abundant number, because the sum of its proper divisors (497657000880) is greater than itself. Its abundance is 329535208080

Bases of 168121792800

• Binary: 10011100100100110101101111100100100000₂
• Hexadecimal: 0x2724D6F920
• Base-36: 258FDHK0

Squares and roots of 168121792800

• 168121792800 squared (168121792800²) is 28264937214286131840000
• 168121792800 cubed (168121792800³) is 4751951917845222257117962752000000
• The square root of 168121792800 is 410026.5757240621
• The cube root of 168121792800 is 5519.1814318645

Scales and comparisons

• 168,121,792,800 seconds is equal to 5,345 years, 39 weeks, 1 day, 2 hours.
• To count from 1 to 168,121,792,800 would take you about ten thousand, six hundred ninety-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 168121792800 cubic inches would be around 459.9 feet tall.

Recreational maths with 168121792800

• 168121792800 backwards is 008297121861
• 168121792800 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 168121792800's digits is 45
• More coming soon!