12821132743920

Names of 12821132743920

• Cardinal: 12821132743920 can be written as Twelve trillion, eight hundred twenty-one billion, one hundred thirty-two million, seven hundred forty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.282113274392 × 10¹³

Factors of 12821132743920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 230

Divisors of 12821132743920

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 89 90 120 131 144 178 180 240 262 267 356 360 393 445 524 534 655 712 720 786 801 890 1048 1068 1179 1310 1335 1424 1572 1602 1780 1965 2096 2136 2358 2620 2670 3144 3204 3560 3930 4005 4272 4716 5240 5340 5895 6288 6408 7120 7860 7921 8010 9432 10480 10680 11659 11790 12816 15720 15842 16020 17161 18864 21360 23318 23580 23763 31440 31684 32040 34322 34977 39605 46636 47160 47526 51483 58295 63368 64080 68644 69954 71289 79210 85805 93272 94320 95052 102966 104931 116590 118815 126736 137288 139908 142578 154449 158420 171610 174885 186544 190104 205932 209862 233180 237630 257415 274576 279816 285156 308898 316840 343220 349770 356445 380208 411864 419724 466360 475260 514830 524655 559632 570312 617796 633680 686440 699540 712890 772245 823728 839448 932720 950520 1029660 1037651 1049310 1140624 1235592 1372880 1399080 1425780 1527329 1544490 1678896 1901040 2059320 2075302 2098620 2248091 2471184 2798160 2851560 3054658 3088980 3112953 4118640 4150604 4197240 4496182 4581987 5188255 5703120 6109316 6177960 6225906 6744273 7636645 8301208 8394480 8992364 9163974 9338859 10376510 11240455 12218632 12355920 12451812 13488546 13745961 15273290 15564765 16602416 17984728 18327948 18677718 20232819 20753020 22480910 22909935 24437264 24903624 26977092 27491922 30546580 31129530 33721365 35969456 36655896 37355436 40465638 41506040 44961820 45819870 46694295 49807248 53954184 54983844 61093160 62259060 67442730 68729805 73311792 74710872 80931276 83012080 89923640 91639740 93388590 101164095 107908368 109967688 122186320 124518120 134885460 135932281 137459610 149421744 161862552 179847280 183279480 186777180 200080099 202328190 219935376 249036240 269770920 271864562 274919220 323725104 366558960 373554360 400160198 404656380 407796843 539541840 543729124 549838440 600240297 679661405 747108720 800320396 809312760 815593686 1000400495 1087458248 1099676880 1200480594 1223390529 1359322810 1600640792 1618625520 1631187372 1800720891 2000800990 2038984215 2174916496 2400961188 2446781058 2718645620 3001201485 3201281584 3262374744 3601441782 4001601980 4077968430 4801922376 4893562116 5437291240 6002402970 6116952645 6524749488 7202883564 8003203960 8155936860 9003604455 9603844752 9787124232 10874582480 12004805940 12233905290 14405767128 16006407920 16311873720 17807128811 18007208910 19574248464 24009611880 24467810580 28811534256 32623747440 35614257622 36014417820 48019223760 48935621160 53421386433 71228515244 72028835640 89035644055 97871242320 106842772866 142457030488 144057671280 160264159299 178071288110 213685545732 267106932165 284914060976 320528318598 356142576220 427371091464 534213864330 641056637196 712285152440 801320796495 854742182928 1068427728660 1282113274392 1424570304880 1602641592990 2136855457320 2564226548784 3205283185980 4273710914640 6410566371960 12821132743920
• Sum of all divisors σ(n): 43881842779632
• Sum of proper divisors (its aliquot sum) s(n): 31060710035712
• 12821132743920 is an abundant number, because the sum of its proper divisors (31060710035712) is greater than itself. Its abundance is 18239577291792

Bases of 12821132743920

• Binary: 10111010100100100111000100000001010011110000₂
• Hexadecimal: 0xBA9271014F0
• Base-36: 4JLY3EJG0

Squares and roots of 12821132743920

• 12821132743920 squared (12821132743920²) is 164381444837217588296966400
• 12821132743920 cubed (12821132743920³) is 2107556324895329655579969699844044288000
• The square root of 12821132743920 is 3580660.9367433829
• The cube root of 12821132743920 is 23405.0082687953

Scales and comparisons

• 12,821,132,743,920 seconds is equal to 407,672 years, 18 weeks, 6 days, 2 hours, 12 minutes.
• To count from 1 to 12,821,132,743,920 would take you about one million, nineteen thousand, one hundred eighty 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 12821132743920 cubic inches would be around 1950.4 feet tall.

Recreational maths with 12821132743920

• 12821132743920 backwards is 02934723112821
• 12821132743920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12821132743920's digits is 45
• More coming soon!