1981684044720

Names of 1981684044720

• Cardinal: 1981684044720 can be written as One trillion, nine hundred eighty-one billion, six hundred eighty-four million, forty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.98168404472 × 10¹²

Factors of 1981684044720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 12071

Divisors of 1981684044720

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 131 135 144 162 180 199 216 240 262 270 324 360 393 398 405 432 524 540 597 648 655 720 786 796 810 995 1048 1080 1179 1194 1296 1310 1572 1592 1620 1791 1965 1990 2096 2160 2358 2388 2620 2985 3144 3184 3240 3537 3582 3930 3980 4716 4776 5240 5373 5895 5970 6288 6480 7074 7164 7860 7960 8955 9432 9552 10480 10611 10746 11731 11790 11940 14148 14328 15720 15920 16119 17685 17910 18864 21222 21492 23462 23580 23880 26069 26865 28296 28656 31440 32238 35193 35370 35820 42444 42984 46924 47160 47760 52138 53055 53730 56592 58655 64476 70386 70740 71640 78207 80595 84888 85968 93848 94320 104276 105579 106110 107460 117310 128952 130345 140772 141480 143280 156414 161190 169776 175965 187696 208552 211158 212220 214920 234620 234621 257904 260690 281544 282960 312828 316737 322380 351930 391035 417104 422316 424440 429840 469240 469242 521380 527895 563088 625656 633474 644760 703860 703863 782070 844632 848880 938480 938484 950211 1042760 1055790 1173105 1251312 1266948 1289520 1407720 1407726 1536761 1564140 1583685 1689264 1876968 1900422 2085520 2111580 2111589 2334469 2346210 2533896 2815440 2815452 3073522 3128280 3167370 3519315 3753936 3800844 4223160 4223178 4610283 4668938 4692420 4751055 5067792 5630904 6147044 6256560 6334740 7003407 7038630 7601688 7683805 8446320 8446356 9220566 9337876 9384840 9502110 10557945 11261808 11672345 12294088 12669480 13830849 14006814 14077260 15203376 15367610 16892712 18441132 18675752 18769680 19004220 21010221 21115890 23051415 23344690 24588176 25338960 27661698 28013628 28154520 30735220 33785424 35017035 36882264 37351504 38008440 41492547 42020442 42231780 46102830 46689380 55323396 56027256 56309040 61470440 63030663 69154245 70034070 73764528 76016880 82985094 84040884 84463560 92205660 93378760 105051105 110646792 112054512 122940880 124477641 126061326 138308490 140068140 165970188 168081768 168927120 184411320 186757520 189091989 207462735 210102210 221293584 248955282 252122652 276616980 280136280 305815439 315153315 331940376 336163536 368822640 378183978 414925470 420204420 497910564 504245304 553233960 560272560 611630878 622388205 630306630 663880752 756367956 829850940 840408840 917446317 945459945 995821128 1008490608 1106467920 1223261756 1244776410 1260613260 1512735912 1529077195 1659701880 1680817680 1834892634 1890919890 1991642256 2446523512 2489552820 2521226520 2752338951 3025471824 3058154390 3319403760 3669785268 3781839780 4587231585 4893047024 4979105640 5042453040 5504677902 6116308780 7339570536 7563679560 8257016853 9174463170 9958211280 11009355804 12232617560 13761694755 14679141072 15127359120 16514033706 18348926340 22018711608 24465235120 24771050559 27523389510 33028067412 36697852680 41285084265 44037423216 49542101118 55046779020 66056134824 73395705360 82570168530 99084202236 110093558040 123855252795 132112269648 165140337060 198168404472 220187116080 247710505590 330280674120 396336808944 495421011180 660561348240 990842022360 1981684044720
• Sum of all divisors σ(n): 6970666348800
• Sum of proper divisors (its aliquot sum) s(n): 4988982304080
• 1981684044720 is an abundant number, because the sum of its proper divisors (4988982304080) is greater than itself. Its abundance is 3007298259360

Bases of 1981684044720

• Binary: 11100110101100101100100101101001110110000₂
• Hexadecimal: 0x1CD6592D3B0
• Base-36: PADFIJ00

Squares and roots of 1981684044720

• 1981684044720 squared (1981684044720²) is 3927071653097818959878400
• 1981684044720 cubed (1981684044720³) is 7782215237416142594222131111362048000
• The square root of 1981684044720 is 1407722.9999968035
• The cube root of 1981684044720 is 12560.6313933001

Scales and comparisons

• 1,981,684,044,720 seconds is equal to 63,011 years, 21 weeks, 6 days, 22 hours, 12 minutes.
• To count from 1 to 1,981,684,044,720 would take you about one hundred fifty-seven thousand, five hundred twenty-eight 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 1981684044720 cubic inches would be around 1046.7 feet tall.

Recreational maths with 1981684044720

• 1981684044720 backwards is 0274404861891
• 1981684044720 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1981684044720's digits is 54
• More coming soon!