21486873218720

Names of 21486873218720

• Cardinal: 21486873218720 can be written as Twenty-one trillion, four hundred eighty-six billion, eight hundred seventy-three million, two hundred eighteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.148687321872 × 10¹³

Factors of 21486873218720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 140200

Divisors of 21486873218720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 53 56 65 70 80 91 104 106 112 130 140 160 182 199 208 212 224 260 265 280 364 371 398 416 424 455 520 530 560 689 728 742 796 848 910 995 1040 1060 1120 1378 1393 1456 1484 1592 1696 1820 1855 1990 2080 2120 2587 2756 2786 2912 2968 3184 3445 3640 3710 3980 4240 4823 5174 5512 5572 5936 6368 6890 6965 7280 7420 7960 8480 9646 10348 10547 11024 11144 11872 12935 13780 13930 14560 14840 15920 18109 19292 20696 21094 22048 22288 24115 25870 27560 27860 29680 31840 36218 38584 41392 42188 44576 48230 51740 52735 55120 55720 59360 72436 73829 77168 82784 84376 90545 96460 103480 105470 110240 111440 137111 139921 144872 147658 154336 168752 181090 192920 206960 210940 222880 274222 279842 289744 295316 337504 362180 369145 385840 413920 421880 548444 559684 579488 590632 685555 699605 724360 738290 771680 843760 959777 979447 1096888 1119368 1181264 1371110 1399210 1448720 1476580 1687520 1818973 1919554 1958894 2193776 2238736 2362528 2742220 2798420 2897440 2953160 3637946 3839108 3917788 4387552 4477472 4798885 4897235 5484440 5596840 5906320 7275892 7415813 7678216 7835576 9094865 9597770 9794470 10968880 11193680 11812640 12732811 14551784 14831626 15356432 15671152 18189730 19195540 19588940 21937760 22387360 25465622 27844279 29103568 29663252 30712864 31342304 36379460 37079065 38391080 39177880 50931244 51910691 55688558 58207136 59326504 63664055 72758920 74158130 76782160 78355760 96405569 101862488 103821382 111377116 118653008 127328110 139221395 145517840 148316260 153564320 156711520 192811138 194909953 203724976 207642764 222754232 237306016 254656220 259553455 278442790 291035680 296632520 361975627 385622276 389819906 407449952 415285528 445508464 482027845 509312440 519106910 556885580 593265040 674838983 723951254 771244552 779639812 830571056 891016928 964055690 974549765 1018624880 1038213820 1113771160 1186530080 1349677966 1447902508 1475746787 1542489104 1559279624 1661142112 1809878135 1928111380 1949099530 2037249760 2076427640 2227542320 2533829389 2699355932 2895805016 2951493574 3084978208 3118559248 3374194915 3619756270 3856222760 3898199060 4152855280 4455084640 5067658778 5398711864 5791610032 5902987148 6237118496 6748389830 7239512540 7378733935 7712445520 7796398120 8305710560 10135317556 10330227509 10797423728 11583220064 11805974296 12669146945 13496779660 14479025080 14757467870 15424891040 15592796240 19184708231 20270635112 20660455018 21594847456 23611948592 25338293890 26993559320 28958050160 29514935740 31185592480 38369416462 40541270224 41320910036 47223897184 50676587780 51651137545 53987118640 57916100320 59029871480 76738832924 81082540448 82641820072 95923541155 101353175560 103302275090 107974237280 118059742960 134292957617 153477665848 165283640144 191847082310 202706351120 206604550180 236119485920 268585915234 306955331696 330567280288 383694164620 405412702240 413209100360 537171830468 613910663392 671464788085 767388329240 826418200720 1074343660936 1342929576170 1534776658480 1652836401440 2148687321872 2685859152340 3069553316960 4297374643744 5371718304680 10743436609360 21486873218720
• Sum of all divisors σ(n): 63976368153600
• Sum of proper divisors (its aliquot sum) s(n): 42489494934880
• 21486873218720 is an abundant number, because the sum of its proper divisors (42489494934880) is greater than itself. Its abundance is 21002621716160

Bases of 21486873218720

• Binary: 100111000101011001101011100100000111010100000₂
• Hexadecimal: 0x138ACD720EA0
• Base-36: 7M6XLJFKW

Squares and roots of 21486873218720

• 21486873218720 squared (21486873218720²) is 461685720717346772958438400
• 21486873218720 cubed (21486873218720³) is 9920182547946999842815886360592846848000
• The square root of 21486873218720 is 4635393.5343959739
• The cube root of 21486873218720 is 27800.8286154343

Scales and comparisons

• 21,486,873,218,720 seconds is equal to 683,216 years, 5 weeks, 3 days, 6 hours, 5 minutes, 20 seconds.
• To count from 1 to 21,486,873,218,720 would take you about one million, seven hundred eight thousand and forty 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 21486873218720 cubic inches would be around 2316.7 feet tall.

Recreational maths with 21486873218720

• 21486873218720 backwards is 02781237868412
• The number of decimal digits it has is: 14
• The sum of 21486873218720's digits is 59
• More coming soon!