13021781403680

Names of 13021781403680

• Cardinal: 13021781403680 can be written as Thirteen trillion, twenty-one billion, seven hundred eighty-one million, four hundred three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.302178140368 × 10¹³

Factors of 13021781403680

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5604

Divisors of 13021781403680

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 41 56 70 80 82 112 127 140 160 164 205 224 254 280 287 328 410 449 508 560 574 635 656 820 889 898 1016 1120 1148 1270 1312 1435 1640 1778 1796 2032 2245 2296 2540 2870 3143 3280 3556 3592 4064 4445 4490 4592 4973 5080 5207 5740 6286 6560 7112 7184 8890 8980 9184 9946 10160 10414 11480 12572 14224 14368 15715 17780 17960 18409 19892 20320 20828 22960 24865 25144 26035 28448 31430 34811 35560 35920 36449 36818 39784 41656 45920 49730 50288 52070 57023 62860 69622 71120 71840 72898 73636 79568 83312 92045 99460 100576 104140 114046 125720 128863 139244 142240 145796 147272 159136 166624 174055 182245 184090 198920 203893 208280 228092 251440 257726 278488 285115 291592 294544 348110 364490 368180 397840 399161 407786 416560 456184 502880 515452 556976 570230 583184 589088 631571 644315 696220 728980 736360 795680 798322 815572 833120 912368 1019465 1030904 1113952 1140460 1166368 1263142 1288630 1392440 1427251 1457960 1472720 1596644 1631144 1824736 1995805 2038930 2061808 2232877 2280920 2337943 2526284 2577260 2784880 2854502 2915920 2945440 3157855 3193288 3262288 3991610 4077860 4123616 4420997 4465754 4561840 4675886 5052568 5154520 5569760 5709004 5831840 6315710 6386576 6524576 7136255 7983220 8155720 8841994 8931508 9123680 9351772 10105136 10309040 11164385 11418008 11689715 12631420 12773152 14272510 15630139 15966440 16311440 16365601 17683988 17863016 18703544 20210272 20618080 22104985 22328770 22836016 23379430 25262840 25894411 28545020 31260278 31932880 32622880 32731202 35367976 35726032 37407088 44209970 44657540 45672032 46758860 50525680 51788822 57090040 62520556 63865760 65462404 70735952 71452064 74814176 78150695 81828005 88419940 89315080 91547957 93517720 101051360 103577644 114180080 125041112 129472055 130924808 141471904 156301390 163656010 176839880 178630160 181260877 183095914 187035440 207155288 228360160 250082224 258944110 261849616 283575379 312602780 327312020 353679760 357260320 362521754 366191828 374070880 414310576 457739785 500164448 517888220 523699232 567150758 625205560 640835699 654624040 707359520 725043508 732383656 828621152 906304385 915479570 1035776440 1134301516 1250411120 1281671398 1309248080 1417876895 1450087016 1464767312 1812608770 1830959140 1985027653 2071552880 2268603032 2500822240 2563342796 2618496160 2835753790 2900174032 2929534624 3204178495 3625217540 3661918280 3970055306 4143105760 4537206064 5126685592 5671507580 5800348064 6408356990 7250435080 7323836560 7940110612 9074412128 9925138265 10253371184 11343015160 11626590539 12816713980 14500870160 14647673120 15880221224 19850276530 20506742368 22686030320 23253181078 25633427960 29001740320 31760442448 39700553060 45372060640 46506362156 51266855920 58132952695 63520884896 79401106120 81386133773 93012724312 102533711840 116265905390 158802212240 162772267546 186025448624 232531810780 317604424480 325544535092 372050897248 406930668865 465063621560 651089070184 813861337730 930127243120 1302178140368 1627722675460 1860254486240 2604356280736 3255445350920 6510890701840 13021781403680
• Sum of all divisors σ(n): 36388096819200
• Sum of proper divisors (its aliquot sum) s(n): 23366315415520
• 13021781403680 is an abundant number, because the sum of its proper divisors (23366315415520) is greater than itself. Its abundance is 10344534011840

Bases of 13021781403680

• Binary: 10111101011111011110101001111010100000100000₂
• Hexadecimal: 0xBD7DEA7A820
• Base-36: 4M64GFO68

Squares and roots of 13021781403680

• 13021781403680 squared (13021781403680²) is 169566790925226271117542400
• 13021781403680 cubed (13021781403680³) is 2208061684751806038634603515743916032000
• The square root of 13021781403680 is 3608570.5485247201
• The cube root of 13021781403680 is 23526.4716959147

Scales and comparisons

• 13,021,781,403,680 seconds is equal to 414,052 years, 19 weeks, 1 day, 13 hours, 1 minute, 20 seconds.
• To count from 1 to 13,021,781,403,680 would take you about one million, thirty-five thousand, one hundred thirty 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 13021781403680 cubic inches would be around 1960.5 feet tall.

Recreational maths with 13021781403680

• 13021781403680 backwards is 08630418712031
• The number of decimal digits it has is: 14
• The sum of 13021781403680's digits is 44
• More coming soon!