21312199138320

Names of 21312199138320

• Cardinal: 21312199138320 can be written as Twenty-one trillion, three hundred twelve billion, one hundred ninety-nine million, one hundred thirty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.131219913832 × 10¹³

Factors of 21312199138320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 381

Divisors of 21312199138320

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 36 40 45 46 48 60 69 72 80 90 92 115 120 137 138 144 180 184 207 211 230 240 274 276 345 360 368 411 414 422 460 548 552 633 685 690 720 822 828 844 920 1035 1055 1096 1104 1233 1266 1370 1380 1644 1656 1688 1840 1899 2055 2070 2110 2192 2466 2532 2740 2760 3151 3165 3288 3312 3376 3798 4110 4140 4220 4853 4932 5064 5480 5520 6165 6302 6330 6576 7596 8220 8280 8440 9453 9495 9706 9864 10128 10960 12330 12604 12660 14559 15192 15755 16440 16560 16880 18906 18990 19412 19728 24265 24660 25208 25320 28359 28907 29118 30384 31510 32880 37812 37980 38824 43677 44521 47265 48530 49320 50416 50640 56718 57814 58236 63020 72795 75624 75960 77648 86721 87354 89042 94530 97060 98640 113436 115628 116472 126040 133563 141795 144535 145590 151248 151920 173442 174708 178084 189060 194120 218385 222605 226872 231256 232944 252080 260163 267126 283590 289070 291180 346884 349416 356168 378120 388240 400689 433605 436770 445210 453744 462512 520326 534252 567180 578140 582360 664861 667815 693768 698832 712336 756240 801378 867210 873540 890420 1023983 1040652 1068504 1134360 1156280 1164720 1300815 1329722 1335630 1387536 1602756 1734420 1747080 1780840 1994583 2003445 2047966 2081304 2137008 2268720 2312560 2601630 2659444 2671260 3071949 3205512 3324305 3468840 3494160 3561680 3989166 4006890 4095932 4162608 5119915 5203260 5318888 5342520 5983749 6099377 6143898 6411024 6648610 6937680 7978332 8013780 8191864 9215847 9393931 9972915 10239830 10406520 10637776 10685040 11967498 12198754 12287796 13297220 15359745 15956664 16027560 16383728 18298131 18431694 18787862 19945830 20479660 20813040 23934996 24397508 24575592 26594440 28181793 29918745 30496885 30719490 31913328 32055120 36596262 36863388 37575724 39891660 40959320 46079235 46969655 47869992 48795016 49151184 53188880 54894393 56363586 59837490 60993770 61438980 73192524 73726776 75151448 79783320 81918640 84545379 91490655 92158470 93939310 95739984 97590032 109788786 112727172 119674980 121987540 122877960 140285671 140908965 146385048 147453552 150302896 159566640 169090758 182981310 184316940 187878620 216060413 219577572 225454344 239349960 243975080 245755920 274471965 280571342 281817930 292770096 338181516 365962620 368633880 375757240 420857013 422726895 432120826 439155144 450908688 478699920 487950160 548943930 561142684 563635860 648181239 676363032 701428355 731925240 737267760 751514480 841714026 845453790 864241652 878310288 1080302065 1097887860 1122285368 1127271720 1262571039 1286968547 1296362478 1352726064 1402856710 1463850480 1683428052 1690907580 1728483304 1944543717 2104285065 2160604130 2195775720 2244570736 2254543440 2525142078 2573937094 2592724956 2805713420 3240906195 3366856104 3381815160 3456966608 3860905641 3889087434 4208570130 4321208260 4391551440 5050284156 5147874188 5185449912 5611426840 6312855195 6434842735 6481812390 6733712208 6763630320 7721811282 7778174868 8417140260 8642416520 9722718585 10100568312 10295748376 10370899824 11222853680 11582716923 12625710390 12869685470 12963624780 15443622564 15556349736 16834280520 17284833040 19304528205 19445437170 20201136624 20591496752 23165433846 25251420780 25739370940 25927249560 29600276581 30887245128 31112699472 33668561040 38609056410 38890874340 46330867692 50502841560 51478741880 51854499120 57913584615 59200553162 61774490256 77218112820 77781748680 88800829743 92661735384 101005683120 102957483760 115827169230 118401106324 148001382905 154436225640 155563497360 177601659486 185323470768 231654338460 236802212648 266402489229 296002765810 308872451280 355203318972 444004148715 463308676920 473604425296 532804978458 592005531620 710406637944 888008297430 926617353840 1065609956916 1184011063240 1332012446145 1420813275888 1776016594860 2131219913832 2368022126480 2664024892290 3552033189720 4262439827664 5328049784580 7104066379440 10656099569160 21312199138320
• Sum of all divisors σ(n): 75588747796224
• Sum of proper divisors (its aliquot sum) s(n): 54276548657904
• 21312199138320 is an abundant number, because the sum of its proper divisors (54276548657904) is greater than itself. Its abundance is 32964349519584

Bases of 21312199138320

• Binary: 100110110001000100010000011110001110000010000₂
• Hexadecimal: 0x1362220F1C10
• Base-36: 7JYOT3OK0

Squares and roots of 21312199138320

• 21312199138320 squared (21312199138320²) is 454209832111407750492422400
• 21312199138320 cubed (21312199138320³) is 9680210392541216126286774228969466368000
• The square root of 21312199138320 is 4616513.7428930069
• The cube root of 21312199138320 is 27725.2894277751

Scales and comparisons

• 21,312,199,138,320 seconds is equal to 677,662 years, 3 days, 12 hours, 12 minutes.
• To count from 1 to 21,312,199,138,320 would take you about one million, six hundred ninety-four thousand, one hundred fifty-five 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 21312199138320 cubic inches would be around 2310.4 feet tall.

Recreational maths with 21312199138320

• 21312199138320 backwards is 02383199121312
• 21312199138320 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21312199138320's digits is 45
• More coming soon!