21293798400

Names of 21293798400

• Cardinal: 21293798400 can be written as Twenty-one billion, two hundred ninety-three million, seven hundred ninety-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.12937984 × 10¹⁰

Factors of 21293798400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 180

Divisors of 21293798400

• Number of divisors d(n): 924
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 32 35 36 40 42 45 48 50 54 56 60 63 64 70 72 75 80 81 84 90 96 100 105 108 112 120 126 128 135 140 144 150 160 162 163 168 175 180 189 192 200 210 216 224 225 240 243 252 256 270 280 288 300 315 320 324 326 336 350 360 378 384 400 405 420 432 448 450 480 486 489 504 512 525 540 560 567 576 600 630 640 648 652 672 675 700 720 729 756 768 800 810 815 840 864 896 900 945 960 972 978 1008 1024 1050 1080 1120 1134 1141 1152 1200 1215 1260 1280 1296 1304 1344 1350 1400 1440 1458 1467 1512 1536 1575 1600 1620 1630 1680 1701 1728 1792 1800 1890 1920 1944 1956 2016 2025 2100 2160 2240 2268 2282 2304 2400 2430 2445 2520 2560 2592 2608 2688 2700 2800 2835 2880 2916 2934 3024 3072 3150 3200 3240 3260 3360 3402 3423 3456 3584 3600 3645 3780 3840 3888 3912 4032 4050 4075 4200 4320 4401 4480 4536 4564 4608 4725 4800 4860 4890 5040 5103 5120 5184 5216 5376 5400 5600 5670 5705 5760 5832 5868 6048 6075 6300 6400 6480 6520 6720 6804 6846 6912 7168 7200 7290 7335 7560 7680 7776 7824 8064 8100 8150 8400 8505 8640 8802 8960 9072 9128 9216 9450 9600 9720 9780 10080 10206 10269 10368 10432 10752 10800 11200 11340 11410 11520 11664 11736 12096 12150 12225 12600 12800 12960 13040 13203 13440 13608 13692 13824 14175 14400 14580 14670 15120 15360 15552 15648 16128 16200 16300 16800 17010 17115 17280 17604 17920 18144 18225 18256 18900 19200 19440 19560 20160 20412 20538 20736 20864 21504 21600 22005 22400 22680 22820 23040 23328 23472 24192 24300 24450 25200 25515 25600 25920 26080 26406 26880 27216 27384 27648 28350 28525 28800 29160 29340 30240 30807 31104 31296 32256 32400 32600 33600 34020 34230 34560 35208 35840 36288 36450 36512 36675 37800 38400 38880 39120 39609 40320 40824 41076 41472 41728 42525 43200 44010 44800 45360 45640 46080 46656 46944 48384 48600 48900 50400 51030 51345 51840 52160 52812 53760 54432 54768 56700 57050 57600 58320 58680 60480 61614 62208 62592 64512 64800 65200 66015 67200 68040 68460 69120 70416 72576 72900 73024 73350 75600 76800 77760 78240 79218 80640 81648 82152 82944 83456 85050 85575 86400 88020 89600 90720 91280 92421 93312 93888 96768 97200 97800 100800 102060 102690 103680 104320 105624 107520 108864 109536 110025 113400 114100 115200 116640 117360 118827 120960 123228 124416 125184 127575 129600 130400 132030 134400 136080 136920 138240 140832 145152 145800 146048 146700 151200 154035 155520 156480 158436 161280 163296 164304 166912 170100 171150 172800 176040 179200 181440 182560 184842 186624 187776 193536 194400 195600 198045 201600 204120 205380 207360 208640 211248 217728 219072 220050 226800 228200 230400 233280 234720 237654 241920 246456 248832 250368 255150 256725 259200 260800 264060 268800 272160 273840 277263 281664 290304 291600 292096 293400 302400 308070 311040 312960 316872 322560 326592 328608 330075 340200 342300 345600 352080 362880 365120 369684 373248 375552 388800 391200 396090 403200 408240 410760 414720 417280 422496 435456 438144 440100 453600 456400 462105 466560 469440 475308 483840 492912 500736 510300 513450 518400 521600 528120 537600 544320 547680 554526 563328 580608 583200 584192 586800 594135 604800 616140 622080 625920 633744 653184 657216 660150 680400 684600 691200 704160 725760 730240 739368 746496 751104 770175 777600 782400 792180 806400 816480 821520 831789 834560 844992 870912 876288 880200 907200 912800 924210 933120 938880 950616 967680 985824 990225 1020600 1026900 1036800 1043200 1056240 1088640 1095360 1109052 1126656 1166400 1168384 1173600 1188270 1209600 1232280 1244160 1251840 1267488 1306368 1314432 1320300 1360800 1369200 1386315 1408320 1451520 1460480 1478736 1502208 1540350 1555200 1564800 1584360 1612800 1632960 1643040 1663578 1689984 1741824 1752576 1760400 1814400 1825600 1848420 1866240 1877760 1901232 1971648 1980450 2041200 2053800 2073600 2086400 2112480 2177280 2190720 2218104 2253312 2310525 2332800 2347200 2376540 2419200 2464560 2503680 2534976 2612736 2628864 2640600 2721600 2738400 2772630 2816640 2903040 2920960 2957472 2970675 3080700 3110400 3129600 3168720 3265920 3286080 3327156 3379968 3505152 3520800 3628800 3651200 3696840 3732480 3755520 3802464 3943296 3960900 4082400 4107600 4158945 4172800 4224960 4354560 4381440 4436208 4506624 4621050 4665600 4694400 4753080 4838400 4929120 5069952 5225472 5257728 5281200 5443200 5476800 5545260 5633280 5841920 5914944 5941350 6161400 6220800 6259200 6337440 6531840 6572160 6654312 6759936 6931575 7041600 7257600 7302400 7393680 7511040 7604928 7886592 7921800 8164800 8215200 8317890 8449920 8709120 8762880 8872416 9242100 9331200 9388800 9506160 9858240 10139904 10515456 10562400 10886400 10953600 11090520 11266560 11829888 11882700 12322800 12518400 12674880 13063680 13144320 13308624 13519872 13863150 14083200 14515200 14604800 14787360 15209856 15773184 15843600 16329600 16430400 16635780 16899840 17525760 17744832 18484200 18662400 18777600 19012320 19716480 20279808 20794725 21124800 21772800 21907200 22181040 22533120 23659776 23765400 24645600 25349760 26127360 26288640 26617248 27726300 28166400 29209600 29574720 30419712 31546368 31687200 32659200 32860800 33271560 33799680 35489664 36968400 37555200 38024640 39432960 40559616 41589450 42249600 43545600 43814400 44362080 47319552 47530800 49291200 50699520 52577280 53234496 55452600 56332800 59149440 60839424 63374400 65318400 65721600 66543120 67599360 70979328 73936800 76049280 78865920 83178900 84499200 87628800 88724160 94639104 95061600 98582400 101399040 106468992 110905200 112665600 118298880 121678848 126748800 130636800 131443200 133086240 141958656 147873600 152098560 157731840 166357800 168998400 177448320 190123200 197164800 202798080 212937984 221810400 236597760 253497600 262886400 266172480 283917312 295747200 304197120 332715600 337996800 354896640 380246400 394329600 425875968 443620800 473195520 506995200 532344960 591494400 608394240 665431200 709793280 760492800 788659200 851751936 887241600 1013990400 1064689920 1182988800 1330862400 1419586560 1520985600 1774483200 2129379840 2365977600 2661724800 3041971200 3548966400 4258759680 5323449600 7097932800 10646899200 21293798400
• Sum of all divisors σ(n): 90998353312
• Sum of proper divisors (its aliquot sum) s(n): 69704554912
• 21293798400 is an abundant number, because the sum of its proper divisors (69704554912) is greater than itself. Its abundance is 48410756512

Bases of 21293798400

• Binary: 10011110101001101011001010000000000₂
• Hexadecimal: 0x4F5359400
• Base-36: 9S5S000

Squares and roots of 21293798400

• 21293798400 squared (21293798400²) is 453425850299842560000
• 21293798400 cubed (21293798400³) is 9655158645633427024379904000000
• The square root of 21293798400 is 145923.9473150311
• The cube root of 21293798400 is 2771.7307884955

Scales and comparisons

• 21,293,798,400 seconds is equal to 677 years, 4 weeks.
• To count from 1 to 21,293,798,400 would take you about one thousand, three hundred fifty-four 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 21293798400 cubic inches would be around 231 feet tall.

Recreational maths with 21293798400

• 21293798400 backwards is 00489739212
• 21293798400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21293798400's digits is 45
• More coming soon!