1978189943400

Names of 1978189943400

• Cardinal: 1978189943400 can be written as One trillion, nine hundred seventy-eight billion, one hundred eighty-nine million, nine hundred forty-three thousand, four hundred.

Scientific notation

• Scientific notation: 1.9781899434 × 10¹²

Factors of 1978189943400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 12483

Divisors of 1978189943400

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 25 27 30 33 36 40 44 45 50 54 55 60 66 72 75 88 90 99 100 108 110 120 132 135 150 165 180 198 200 216 220 225 264 270 275 297 300 330 360 396 440 450 495 540 550 594 600 660 675 792 825 900 990 1080 1100 1188 1320 1350 1485 1650 1800 1980 2200 2376 2475 2700 2970 3300 3881 3960 4950 5400 5940 6600 7425 7762 8581 9900 11643 11880 14850 15524 17162 19405 19800 23286 25743 29700 31048 34324 34929 38810 42691 42905 46572 51486 58215 59400 68648 69858 77229 77620 85382 85810 93144 94391 97025 102972 104787 116430 128073 128715 139716 154458 155240 170764 171620 174645 188782 194050 205944 209574 213455 214525 231687 232860 256146 257430 279432 283173 291075 308916 341528 343240 349290 377564 384219 386145 388100 419148 426910 429050 463374 465720 471955 512292 514860 523935 566346 582150 617832 640365 643575 698580 755128 768438 772290 776200 838296 849519 853820 858100 873225 926748 943910 1024584 1029720 1047870 1067275 1132692 1152657 1158435 1164300 1280730 1287150 1397160 1415865 1536876 1544580 1699038 1707640 1716200 1746450 1853496 1887820 1921095 1930725 2095740 2134550 2265384 2305314 2316870 2328600 2359775 2548557 2561460 2574300 2619675 2831730 3073752 3089160 3201825 3398076 3492900 3775640 3842190 3861450 4191480 4247595 4269100 4610628 4633740 4719550 5097114 5122920 5148600 5239350 5663460 5763285 5792175 6403650 6796152 6985800 7079325 7684380 7722900 8495190 8538200 9221256 9267480 9439100 9605475 10194228 10478700 11326920 11526570 11584350 12742785 12807300 14158650 15368760 15445800 16990380 18878200 19210950 20388456 20957400 21237975 23053140 23168700 25485570 25614600 28317300 28816425 33302861 33980760 38421900 42475950 46106280 46337400 50971140 56634600 57632850 63713925 66605722 76843800 84951900 99908583 101942280 115265700 127427850 133211444 166514305 169903800 199817166 230531400 254855700 266422888 299725749 333028610 366331471 399634332 499542915 509711400 599451498 666057220 732662942 799268664 832571525 899177247 999085830 1098994413 1198902996 1332114440 1465325884 1498628745 1665143050 1798354494 1831657355 1998171660 2197988826 2397805992 2497714575 2930651768 2997257490 3296983239 3330286100 3596708988 3663314710 3996343320 4395977652 4495886235 4995429150 5494972065 5994514980 6593966478 6660572200 7193417976 7326629420 7493143725 8791955304 8991772470 9158286775 9890949717 9990858300 10989944130 11989029960 13187932956 14653258840 14986287450 16484916195 17983544940 18316573550 19781899434 19981716600 21979888260 22479431175 26375865912 27474860325 29972574900 32969832390 35967089880 36633147100 39563798868 43959776520 44958862350 49454748585 54949720650 59945149800 65939664780 73266294200 79127597736 82424580975 89917724700 98909497170 109899441300 131879329560 164849161950 179835449400 197818994340 219798882600 247273742925 329698323900 395637988680 494547485850 659396647800 989094971700 1978189943400
• Sum of all divisors σ(n): 7435980316800
• Sum of proper divisors (its aliquot sum) s(n): 5457790373400
• 1978189943400 is an abundant number, because the sum of its proper divisors (5457790373400) is greater than itself. Its abundance is 3479600430000

Bases of 1978189943400

• Binary: 11100110010010101010011110001001001101000₂
• Hexadecimal: 0x1CC954F1268
• Base-36: P8RN7T60

Squares and roots of 1978189943400

• 1978189943400 squared (1978189943400²) is 3913235452168895203560000
• 1978189943400 cubed (1978189943400³) is 7741123017636860209970887878504000000
• The square root of 1978189943400 is 1406481.4052805675
• The cube root of 1978189943400 is 12553.2447568977

Scales and comparisons

• 1,978,189,943,400 seconds is equal to 62,900 years, 16 weeks, 4 days, 22 hours, 30 minutes.
• To count from 1 to 1,978,189,943,400 would take you about one hundred fifty-seven thousand, two hundred fifty 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 1978189943400 cubic inches would be around 1046.1 feet tall.

Recreational maths with 1978189943400

• 1978189943400 backwards is 0043499818791
• The number of decimal digits it has is: 13
• The sum of 1978189943400's digits is 63
• More coming soon!