21007745200000

Names of 21007745200000

• Cardinal: 21007745200000 can be written as Twenty-one trillion, seven billion, seven hundred forty-five million, two hundred thousand.

Scientific notation

• Scientific notation: 2.10077452 × 10¹³

Factors of 21007745200000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 70

Divisors of 21007745200000

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 4 5 8 10 13 16 19 20 25 26 31 32 38 40 50 52 62 64 65 76 80 95 100 104 124 125 128 130 152 155 160 190 200 208 247 248 250 260 304 310 320 325 361 380 400 403 416 475 494 496 500 520 589 608 620 625 640 650 722 760 775 800 806 832 950 988 992 1000 1040 1178 1216 1235 1240 1250 1300 1444 1520 1550 1600 1612 1625 1664 1805 1900 1976 1984 2000 2015 2080 2356 2375 2432 2470 2480 2500 2600 2888 2945 3040 3100 3125 3200 3224 3250 3610 3800 3875 3952 3968 4000 4030 4160 4693 4712 4750 4940 4960 5000 5200 5776 5890 6080 6175 6200 6250 6448 6500 6859 7220 7600 7657 7750 7904 8000 8060 8125 8320 9025 9386 9424 9500 9880 9920 10000 10075 10400 11191 11552 11780 11875 12160 12350 12400 12500 12896 13000 13718 14440 14725 15200 15314 15500 15808 16000 16120 16250 18050 18772 18848 19000 19375 19760 19840 20000 20150 20800 22382 23104 23465 23560 23750 24700 24800 25000 25792 26000 27436 28880 29450 30400 30628 30875 31000 31616 32240 32500 34295 36100 37544 37696 38000 38285 38750 39520 40000 40300 40625 41600 44764 45125 46208 46930 47120 47500 49400 49600 50000 50375 51584 52000 54872 55955 57760 58900 59375 60800 61256 61750 62000 64480 65000 68590 72200 73625 75088 75392 76000 76570 77500 79040 80000 80600 81250 89167 89528 90250 93860 94240 95000 96875 98800 99200 100000 100750 104000 109744 111910 115520 117325 117800 118750 122512 123500 124000 128960 130000 130321 137180 144400 145483 147250 150176 152000 153140 154375 155000 158080 161200 162500 171475 178334 179056 180500 187720 188480 190000 191425 193750 197600 200000 201500 208000 212629 219488 223820 225625 231040 234650 235600 237500 245024 247000 248000 251875 257920 260000 260642 274360 279775 288800 290966 294500 300352 304000 306280 308750 310000 322400 325000 342950 356668 358112 361000 368125 375440 376960 380000 382850 387500 395200 400000 403000 425258 438976 445835 447640 451250 469300 471200 475000 490048 494000 496000 503750 520000 521284 548720 559550 577600 581932 586625 589000 600704 612560 617500 620000 644800 650000 651605 685900 713336 716224 722000 727415 736250 750880 760000 765700 771875 775000 790400 806000 850516 857375 877952 891670 895280 902500 938600 942400 950000 957125 980096 988000 1007500 1040000 1042568 1063145 1097440 1119100 1128125 1155200 1163864 1173250 1178000 1225120 1235000 1240000 1259375 1289600 1300000 1303210 1371800 1398875 1426672 1432448 1444000 1454830 1472500 1501760 1520000 1531400 1543750 1550000 1612000 1694173 1701032 1714750 1783340 1790560 1805000 1840625 1877200 1884800 1900000 1914250 1976000 2015000 2085136 2126290 2194880 2229175 2238200 2256250 2327728 2346500 2356000 2450240 2470000 2480000 2518750 2600000 2606420 2743600 2764177 2797750 2853344 2888000 2909660 2933125 2945000 3003520 3062800 3087500 3100000 3224000 3258025 3388346 3402064 3429500 3566680 3581120 3610000 3637075 3681250 3754400 3800000 3828500 3952000 4030000 4039951 4170272 4252580 4286875 4389760 4458350 4476400 4512500 4655456 4693000 4712000 4785625 4900480 4940000 5037500 5200000 5212840 5315725 5487200 5528354 5595500 5706688 5776000 5819320 5866250 5890000 6125600 6175000 6200000 6448000 6516050 6776692 6804128 6859000 6994375 7133360 7162240 7220000 7274150 7362500 7508800 7600000 7657000 8060000 8079902 8340544 8470865 8505160 8573750 8916700 8952800 9025000 9310912 9386000 9424000 9571250 9880000 10075000 10425680 10631450 10974400 11056708 11145875 11191000 11413376 11638640 11732500 11780000 12251200 12350000 12400000 13032100 13553384 13608256 13718000 13820885 13988750 14266720 14440000 14548300 14665625 14725000 15017600 15314000 16120000 16159804 16290125 16681088 16941730 17010320 17147500 17833400 17905600 18050000 18185375 18621824 18772000 19142500 19760000 20150000 20199755 20851360 21262900 21434375 21948800 22113416 22291750 22382000 23277280 23465000 23560000 23928125 24502400 24700000 26064200 26578625 27106768 27216512 27436000 27641770 27977500 28533440 28880000 29096600 29331250 29450000 30628000 32240000 32319608 32580250 33883460 34020640 34295000 34971875 35666800 35811200 36100000 36370750 37544000 38285000 40300000 40399510 41702720 42354325 42525800 42868750 44226832 44583500 44764000 46554560 46930000 47120000 47856250 49400000 52128400 52519363 53157250 54213536 54872000 55283540 55729375 55955000 57066880 58193200 58662500 58900000 61256000 64639216 65160500 67766920 68041280 68590000 69104425 69943750 71333600 72200000 72741500 75088000 76570000 80600000 80799020 81450625 83405440 84708650 85051600 85737500 88453664 89167000 89528000 90926875 93109120 93860000 95712500 98800000 100998775 104256800 105038726 106314500 108427072 109744000 110567080 111458750 111910000 116386400 117325000 117800000 122512000 129278432 130321000 132893125 135533840 136082560 137180000 138208850 139887500 142667200 144400000 145483000 153140000 161200000 161598040 162901250 169417300 170103200 171475000 176907328 178334000 179056000 181853750 187720000 191425000 201997550 208513600 210077452 211771625 212629000 216854144 221134160 222917500 223820000 232772800 234650000 235600000 258556864 260642000 262596815 265786250 271067680 274360000 276417700 278646875 279775000 285334400 290966000 306280000 323196080 325802500 338834600 340206400 342950000 345522125 353814656 356668000 363707500 375440000 382850000 403995100 407253125 417027200 420154904 423543250 425258000 442268320 445835000 447640000 454634375 465545600 469300000 504993875 517113728 521284000 525193630 531572500 542135360 548720000 552835400 557293750 559550000 581932000 612560000 646392160 651605000 664465625 677669200 680412800 685900000 691044250 713336000 727415000 765700000 807990200 814506250 840309808 847086500 850516000 884536640 891670000 895280000 909268750 938600000 1009987750 1042568000 1050387260 1058858125 1063145000 1084270720 1105670800 1114587500 1119100000 1163864000 1292784320 1303210000 1312984075 1328931250 1355338400 1371800000 1382088500 1426672000 1454830000 1531400000 1615980400 1629012500 1680619616 1694173000 1701032000 1727610625 1769073280 1783340000 1818537500 1877200000 2019975500 2085136000 2100774520 2117716250 2126290000 2211341600 2229175000 2238200000 2327728000 2524969375 2585568640 2606420000 2625968150 2657862500 2710676800 2743600000 2764177000 2909660000 3062800000 3231960800 3258025000 3361239232 3388346000 3402064000 3455221250 3566680000 3637075000 4039951000 4201549040 4235432500 4252580000 4422683200 4458350000 4476400000 5049938750 5212840000 5251936300 5294290625 5315725000 5421353600 5528354000 5819320000 6463921600 6516050000 6564920375 6722478464 6776692000 6910442500 7133360000 7274150000 8079902000 8403098080 8470865000 8505160000 8638053125 8845366400 8916700000 10099877500 10425680000 10503872600 10588581250 10631450000 11056708000 11638640000 12624846875 12927843200 13032100000 13129840750 13553384000 13820885000 14548300000 16159804000 16806196160 16941730000 17010320000 17276106250 17833400000 20199755000 21007745200 21177162500 21262900000 22113416000 25249693750 26064200000 26259681500 27106768000 27641770000 29096600000 32319608000 32824601875 33612392320 33883460000 34552212500 35666800000 40399510000 42015490400 42354325000 42525800000 44226832000 50499387500 52128400000 52519363000 55283540000 58193200000 64639216000 65649203750 67766920000 69104425000 80799020000 84030980800 84708650000 85051600000 100998775000 105038726000 110567080000 131298407500 135533840000 138208850000 161598040000 164123009375 168061961600 169417300000 201997550000 210077452000 221134160000 262596815000 276417700000 323196080000 328246018750 338834600000 403995100000 420154904000 525193630000 552835400000 656492037500 677669200000 807990200000 840309808000 1050387260000 1105670800000 1312984075000 1615980400000 2100774520000 2625968150000 4201549040000 5251936300000 10503872600000 21007745200000
• Sum of all divisors σ(n): 61382667507840
• Sum of proper divisors (its aliquot sum) s(n): 40374922307840
• 21007745200000 is an abundant number, because the sum of its proper divisors (40374922307840) is greater than itself. Its abundance is 19367177107840

Bases of 21007745200000

• Binary: 100110001101100111111001100001010111110000000₂
• Hexadecimal: 0x131B3F30AF80
• Base-36: 7G2TP369S

Squares and roots of 21007745200000

• 21007745200000 squared (21007745200000²) is 441325358388123040000000000
• 21007745200000 cubed (21007745200000³) is 9271250679316371530569408000000000000000
• The square root of 21007745200000 is 4583420.6876524001
• The cube root of 21007745200000 is 27592.6331595323

Scales and comparisons

• 21,007,745,200,000 seconds is equal to 667,981 years, 16 weeks, 3 days, 1 hour, 46 minutes, 40 seconds.
• To count from 1 to 21,007,745,200,000 would take you about one million, six hundred sixty-nine thousand, nine hundred fifty-three 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 21007745200000 cubic inches would be around 2299.4 feet tall.

Recreational maths with 21007745200000

• 21007745200000 backwards is 00000254770012
• The number of decimal digits it has is: 14
• The sum of 21007745200000's digits is 28
• More coming soon!