1978683199920

Names of 1978683199920

• Cardinal: 1978683199920 can be written as One trillion, nine hundred seventy-eight billion, six hundred eighty-three million, one hundred ninety-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.97868319992 × 10¹²

Factors of 1978683199920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 38886

Divisors of 1978683199920

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 31 35 36 40 42 45 48 54 56 60 62 63 70 72 80 84 90 93 105 108 109 112 120 124 126 135 140 144 155 168 180 186 189 210 216 217 218 240 248 252 270 279 280 310 315 327 336 360 372 378 420 432 434 436 465 496 504 540 545 558 560 620 630 651 654 720 744 756 763 837 840 868 872 930 945 981 1008 1080 1085 1090 1116 1240 1260 1302 1308 1395 1488 1512 1526 1635 1674 1680 1736 1744 1860 1890 1953 1962 2160 2170 2180 2232 2289 2480 2520 2604 2616 2790 2943 3024 3052 3255 3270 3348 3379 3472 3720 3780 3815 3906 3924 4185 4340 4360 4464 4578 4905 5040 5208 5232 5580 5859 5886 6104 6510 6540 6696 6758 6867 7440 7560 7630 7812 7848 8370 8680 8720 9156 9765 9810 10137 10416 11160 11445 11718 11772 12208 13020 13080 13392 13516 13734 14715 15120 15260 15624 15696 16740 16895 17360 18312 19530 19620 20274 20601 22320 22890 23436 23544 23653 26040 26160 27032 27468 29295 29430 30411 30520 31248 33480 33790 34335 36624 38729 39060 39240 40548 41202 45780 46872 47088 47306 50685 52080 54064 54936 58590 58860 60822 61040 66960 67580 68670 70959 77458 78120 78480 81096 82404 91233 91560 93744 94612 101370 103005 109872 116187 117180 117720 118265 121644 135160 137340 141918 152055 154916 156240 162192 164808 182466 183120 189224 193645 202740 206010 212877 232374 234360 235440 236530 243288 270320 271103 274680 283836 304110 309832 329616 348561 354795 364932 378448 387290 405480 412020 425754 456165 464748 468720 473060 486576 542206 549360 567672 580935 608220 619664 638631 697122 709590 729864 774580 810960 813309 824040 851508 912330 929496 946120 1045683 1064385 1084412 1135344 1161870 1200599 1216440 1277262 1355515 1394244 1419180 1459728 1549160 1626618 1648080 1703016 1742805 1824660 1858992 1892240 2091366 2128770 2168824 2323740 2401198 2432880 2439927 2554524 2711030 2788488 2838360 3098320 3193155 3253236 3406032 3485610 3601797 3649320 4066545 4182732 4221461 4257540 4337648 4647480 4802396 4879854 5109048 5228415 5422060 5576976 5676720 6002995 6386310 6506472 6971220 7203594 7298640 7319781 8133090 8365464 8404193 8442922 8515080 9294960 9604792 9759708 10218096 10456830 10805391 10844120 12005990 12199635 12664383 12772620 13012944 13942440 14407188 14639562 16266180 16730928 16808386 16885844 17030160 18008985 19209584 19519416 20913660 21107305 21610782 21688240 24011980 24399270 25212579 25328766 25545240 27884880 28814376 29279124 29550227 32416173 32532360 33616772 33771688 36017970 36598905 37993149 39038832 41827320 42020965 42214610 43221564 48023960 48798540 50425158 50657532 51090480 54026955 57628752 58558248 59100454 63321915 64832346 65064720 67233544 67543376 72035940 73197810 75637737 75986298 83654640 84041930 84429220 86443128 88650681 96047920 97597080 100850316 101315064 108053910 113979447 117116496 118200908 126062895 126643830 129664692 130865291 134467088 144071880 146395620 147751135 151275474 151972596 162080865 168083860 168858440 172886256 177301362 189965745 195194160 201700632 202630128 216107820 226913211 227958894 236401816 252125790 253287660 259329384 261730582 265952043 288143760 292791240 295502270 302550948 303945192 324161730 336167720 337716880 354602724 378188685 379931490 392595873 403401264 432215640 443253405 453826422 455917788 472803632 504251580 506575320 518658768 523461164 531904086 569897235 585582480 591004540 605101896 607890384 648323460 654326455 672335440 709205448 756377370 759862980 785191746 797856129 864431280 886506810 907652844 911835576 916057037 1008503160 1013150640 1046922328 1063808172 1134566055 1139794470 1177787619 1182009080 1210203792 1296646920 1308652910 1329760215 1418410896 1512754740 1519725960 1570383492 1595712258 1773013620 1815305688 1823671152 1832114074 1962979365 2017006320 2093844656 2127616344 2269132110 2279588940 2355575238 2364018160 2593293840 2617305820 2659520430 2748171111 3025509480 3039451920 3140766984 3191424516 3533362857 3546027240 3630611376 3664228148 3925958730 3989280645 4255232688 4538264220 4559177880 4580285185 4711150476 5234611640 5319040860 5496342222 5888938095 6051018960 6281533968 6382849032 7066725714 7092054480 7328456296 7851917460 7978561290 8244513333 9076528440 9118355760 9160570370 9422300952 10469223280 10638081720 10992684444 11777876190 12765698064 13740855555 14133451428 14656912592 15703834920 15957122580 16489026666 17666814285 18153056880 18321140740 18844601904 21276163440 21985368888 23555752380 24733539999 27481711110 28266902856 31407669840 31914245160 32978053332 35333628570 36642281480 41222566665 43970737776 47111504760 49467079998 54963422220 56533805712 63828490320 65956106664 70667257140 73284562960 82445133330 94223009520 98934159996 109926844440 123667699995 131912213328 141334514280 164890266660 197868319992 219853688880 247335399990 282669028560 329780533320 395736639984 494670799980 659561066640 989341599960 1978683199920
• Sum of all divisors σ(n): 8114337792000
• Sum of proper divisors (its aliquot sum) s(n): 6135654592080
• 1978683199920 is an abundant number, because the sum of its proper divisors (6135654592080) is greater than itself. Its abundance is 4156971392160

Bases of 1978683199920

• Binary: 11100110010110010101101011001000110110000₂
• Hexadecimal: 0x1CCB2B591B0
• Base-36: P8ZSW0C0

Squares and roots of 1978683199920

• 1978683199920 squared (1978683199920²) is 3915187205645650688006400
• 1978683199920 cubed (1978683199920³) is 7746915148352779192975053117439488000
• The square root of 1978683199920 is 1406656.7455921859
• The cube root of 1978683199920 is 12554.2880431715

Scales and comparisons

• 1,978,683,199,920 seconds is equal to 62,916 years, 1 day, 22 hours, 12 minutes.
• To count from 1 to 1,978,683,199,920 would take you about one hundred fifty-seven thousand, two hundred ninety 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 1978683199920 cubic inches would be around 1046.2 feet tall.

Recreational maths with 1978683199920

• 1978683199920 backwards is 0299913868791
• 1978683199920 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1978683199920's digits is 72
• More coming soon!