21056716800

Names of 21056716800

• Cardinal: 21056716800 can be written as Twenty-one billion, fifty-six million, seven hundred sixteen thousand, eight hundred.

Scientific notation

• Scientific notation: 2.10567168 × 10¹⁰

Factors of 21056716800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 25
• Sum of prime factors: 34

Divisors of 21056716800

• Number of divisors d(n): 912
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 25 27 28 30 32 34 35 36 40 42 45 48 50 51 54 56 60 63 64 68 70 72 75 80 84 85 90 96 100 102 105 108 112 119 120 126 128 135 136 140 144 150 153 160 168 170 175 180 189 192 200 204 210 216 224 225 238 240 252 255 256 270 272 280 288 300 306 315 320 336 340 350 357 360 378 384 400 408 420 425 432 448 450 459 476 480 504 510 512 525 540 544 560 576 595 600 612 630 640 672 675 680 700 714 720 756 765 768 800 816 840 850 864 896 900 918 945 952 960 1008 1020 1024 1050 1071 1080 1088 1120 1152 1190 1200 1224 1260 1275 1280 1344 1350 1360 1400 1428 1440 1512 1530 1536 1575 1600 1632 1680 1700 1728 1785 1792 1800 1836 1890 1904 1920 2016 2040 2048 2100 2142 2160 2176 2240 2295 2304 2380 2400 2448 2520 2550 2560 2688 2700 2720 2800 2856 2880 2975 3024 3060 3072 3150 3200 3213 3264 3360 3400 3456 3570 3584 3600 3672 3780 3808 3825 3840 4032 4080 4096 4200 4284 4320 4352 4480 4590 4608 4725 4760 4800 4896 5040 5100 5120 5355 5376 5400 5440 5600 5712 5760 5950 6048 6120 6144 6300 6400 6426 6528 6720 6800 6912 7140 7168 7200 7344 7560 7616 7650 7680 8064 8160 8192 8400 8568 8640 8704 8925 8960 9180 9216 9450 9520 9600 9792 10080 10200 10240 10710 10752 10800 10880 11200 11424 11475 11520 11900 12096 12240 12288 12600 12800 12852 13056 13440 13600 13824 14280 14336 14400 14688 15120 15232 15300 15360 16065 16128 16320 16384 16800 17136 17280 17408 17850 17920 18360 18432 18900 19040 19200 19584 20160 20400 20480 21420 21504 21600 21760 22400 22848 22950 23040 23800 24192 24480 24576 25200 25600 25704 26112 26775 26880 27200 27648 28560 28672 28800 29376 30240 30464 30600 30720 32130 32256 32640 32768 33600 34272 34560 34816 35700 35840 36720 36864 37800 38080 38400 39168 40320 40800 40960 42840 43008 43200 43520 44800 45696 45900 46080 47600 48384 48960 49152 50400 51200 51408 52224 53550 53760 54400 55296 57120 57344 57600 58752 60480 60928 61200 61440 64260 64512 65280 65536 67200 68544 69120 69632 71400 71680 73440 73728 75600 76160 76800 78336 80325 80640 81600 81920 85680 86016 86400 87040 89600 91392 91800 92160 95200 96768 97920 98304 100800 102400 102816 104448 107100 107520 108800 110592 114240 114688 115200 117504 120960 121856 122400 122880 128520 129024 130560 131072 134400 137088 138240 139264 142800 143360 146880 147456 151200 152320 153600 156672 160650 161280 163200 163840 171360 172032 172800 174080 179200 182784 183600 184320 190400 193536 195840 196608 201600 204800 205632 208896 214200 215040 217600 221184 228480 229376 230400 235008 241920 243712 244800 245760 257040 258048 261120 262144 268800 274176 276480 278528 285600 286720 293760 294912 302400 304640 307200 313344 321300 322560 326400 327680 342720 344064 345600 348160 358400 365568 367200 368640 380800 387072 391680 393216 403200 409600 411264 417792 428400 430080 435200 442368 456960 458752 460800 470016 483840 487424 489600 491520 514080 516096 522240 537600 548352 552960 557056 571200 573440 587520 589824 604800 609280 614400 626688 642600 645120 652800 655360 685440 688128 691200 696320 716800 731136 734400 737280 761600 774144 783360 786432 806400 819200 822528 835584 856800 860160 870400 884736 913920 917504 921600 940032 967680 974848 979200 983040 1028160 1032192 1044480 1075200 1096704 1105920 1114112 1142400 1146880 1175040 1179648 1209600 1218560 1228800 1253376 1285200 1290240 1305600 1310720 1370880 1376256 1382400 1392640 1433600 1462272 1468800 1474560 1523200 1548288 1566720 1612800 1638400 1645056 1671168 1713600 1720320 1740800 1769472 1827840 1835008 1843200 1880064 1935360 1949696 1958400 1966080 2056320 2064384 2088960 2150400 2193408 2211840 2228224 2284800 2293760 2350080 2359296 2419200 2437120 2457600 2506752 2570400 2580480 2611200 2741760 2752512 2764800 2785280 2867200 2924544 2937600 2949120 3046400 3096576 3133440 3225600 3276800 3290112 3342336 3427200 3440640 3481600 3538944 3655680 3686400 3760128 3870720 3899392 3916800 3932160 4112640 4128768 4177920 4300800 4386816 4423680 4456448 4569600 4587520 4700160 4838400 4874240 4915200 5013504 5140800 5160960 5222400 5483520 5505024 5529600 5570560 5734400 5849088 5875200 5898240 6092800 6193152 6266880 6451200 6553600 6580224 6684672 6854400 6881280 6963200 7077888 7311360 7372800 7520256 7741440 7798784 7833600 8225280 8257536 8355840 8601600 8773632 8847360 9139200 9175040 9400320 9676800 9748480 9830400 10027008 10281600 10321920 10444800 10967040 11059200 11141120 11468800 11698176 11750400 11796480 12185600 12386304 12533760 12902400 13160448 13369344 13708800 13762560 13926400 14622720 14745600 15040512 15482880 15597568 15667200 16450560 16515072 16711680 17203200 17547264 17694720 18278400 18800640 19353600 19496960 19660800 20054016 20563200 20643840 20889600 21934080 22118400 22282240 22937600 23396352 23500800 24371200 24772608 25067520 25804800 26320896 27417600 27525120 27852800 29245440 29491200 30081024 30965760 31195136 31334400 32901120 33423360 34406400 35094528 35389440 36556800 37601280 38707200 38993920 40108032 41126400 41287680 41779200 43868160 44236800 45875200 46792704 47001600 48742400 49545216 50135040 51609600 52641792 54835200 55705600 58490880 58982400 60162048 61931520 62668800 65802240 66846720 68812800 70189056 73113600 75202560 77414400 77987840 82252800 82575360 83558400 87736320 88473600 93585408 94003200 97484800 100270080 103219200 105283584 109670400 111411200 116981760 120324096 123863040 125337600 131604480 137625600 140378112 146227200 150405120 154828800 155975680 164505600 167116800 175472640 176947200 188006400 194969600 200540160 206438400 210567168 219340800 233963520 247726080 250675200 263208960 280756224 292454400 300810240 309657600 329011200 334233600 350945280 376012800 389939200 412876800 421134336 438681600 467927040 501350400 526417920 584908800 601620480 619315200 658022400 701890560 752025600 779878400 842268672 877363200 1002700800 1052835840 1169817600 1238630400 1316044800 1403781120 1504051200 1754726400 2105671680 2339635200 2632089600 3008102400 3509452800 4211343360 5264179200 7018905600 10528358400 21056716800
• Sum of all divisors σ(n): 93616686720
• Sum of proper divisors (its aliquot sum) s(n): 72559969920
• 21056716800 is an abundant number, because the sum of its proper divisors (72559969920) is greater than itself. Its abundance is 51503253120

Bases of 21056716800

• Binary: 10011100111000101000000000000000000₂
• Hexadecimal: 0x4E7140000
• Base-36: 9O8MIO0

Squares and roots of 21056716800

• 21056716800 squared (21056716800²) is 443385322395402240000
• 21056716800 cubed (21056716800³) is 9336239166956682589765632000000
• The square root of 21056716800 is 145109.3270606683
• The cube root of 21056716800 is 2761.4057111489

Scales and comparisons

• 21,056,716,800 seconds is equal to 669 years, 28 weeks.
• To count from 1 to 21,056,716,800 would take you about one thousand, three hundred thirty-nine 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 21056716800 cubic inches would be around 230.1 feet tall.

Recreational maths with 21056716800

• 21056716800 backwards is 00861765012
• 21056716800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21056716800's digits is 36
• More coming soon!