21089678400

Names of 21089678400

• Cardinal: 21089678400 can be written as Twenty-one billion, eighty-nine million, six hundred seventy-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.10896784 × 10¹⁰

Factors of 21089678400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 58

Divisors of 21089678400

• Number of divisors d(n): 1134
• 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 41 42 45 48 49 50 54 56 60 63 64 70 72 75 80 81 82 84 90 96 98 100 105 108 112 120 123 126 135 140 144 147 150 160 162 164 168 175 180 189 192 196 200 205 210 216 224 225 240 243 245 246 252 270 280 287 288 294 300 315 320 324 328 336 350 360 369 378 392 400 405 410 420 432 441 448 450 480 486 490 492 504 525 540 560 567 574 576 588 600 615 630 648 656 672 675 700 720 729 735 738 756 784 800 810 820 840 861 864 882 900 945 960 972 980 984 1008 1025 1050 1080 1107 1120 1134 1148 1176 1200 1215 1225 1230 1260 1296 1312 1323 1344 1350 1400 1435 1440 1458 1470 1476 1512 1568 1575 1600 1620 1640 1680 1701 1722 1728 1764 1800 1845 1890 1944 1960 1968 2009 2016 2025 2050 2100 2160 2187 2205 2214 2240 2268 2296 2352 2400 2430 2450 2460 2520 2583 2592 2624 2646 2700 2800 2835 2870 2880 2916 2940 2952 3024 3075 3136 3150 3240 3280 3321 3360 3402 3444 3528 3600 3645 3675 3690 3780 3888 3920 3936 3969 4018 4032 4050 4100 4200 4305 4320 4374 4410 4428 4536 4592 4704 4725 4800 4860 4900 4920 5040 5103 5166 5184 5292 5400 5535 5600 5670 5740 5832 5880 5904 6027 6048 6075 6150 6300 6480 6560 6561 6615 6642 6720 6804 6888 7056 7175 7200 7290 7350 7380 7560 7749 7776 7840 7872 7938 8036 8100 8200 8400 8505 8610 8640 8748 8820 8856 9072 9184 9225 9408 9450 9720 9800 9840 9963 10045 10080 10206 10332 10584 10800 10935 11025 11070 11200 11340 11480 11664 11760 11808 11907 12054 12096 12150 12300 12600 12915 12960 13120 13122 13230 13284 13608 13776 14112 14175 14350 14400 14580 14700 14760 15120 15309 15498 15552 15680 15876 16072 16200 16400 16605 16800 17010 17220 17496 17640 17712 18081 18144 18225 18368 18450 18900 19440 19600 19680 19845 19926 20090 20160 20412 20664 21168 21525 21600 21870 22050 22140 22680 22960 23247 23328 23520 23616 23814 24108 24300 24600 25200 25515 25830 25920 26244 26460 26568 27216 27552 27675 28224 28350 28700 29160 29400 29520 29889 30135 30240 30618 30996 31752 32144 32400 32800 32805 33075 33210 33600 34020 34440 34992 35280 35424 35721 36162 36288 36450 36900 37800 38745 38880 39200 39360 39690 39852 40180 40824 41328 42336 42525 43050 43200 43740 44100 44280 45360 45920 45927 46494 46656 47040 47628 48216 48600 49200 49815 50225 50400 51030 51660 52488 52920 53136 54243 54432 54675 55104 55350 56700 57400 58320 58800 59040 59535 59778 60270 60480 61236 61992 63504 64288 64575 64800 65600 65610 66150 66420 68040 68880 69741 69984 70560 70848 71442 72324 72900 73800 75600 76545 77490 77760 78400 79380 79704 80360 81648 82656 83025 84672 85050 86100 87480 88200 88560 89667 90405 90720 91840 91854 92988 95256 96432 97200 98400 99225 99630 100450 100800 102060 103320 104976 105840 106272 107163 108486 108864 109350 110700 113400 114800 116235 116640 117600 118080 119070 119556 120540 122472 123984 127008 127575 128576 129150 129600 131220 132300 132840 136080 137760 139482 139968 141120 142884 144648 145800 147600 149445 150675 151200 153090 154980 158760 159408 160720 162729 163296 164025 165312 166050 170100 172200 174960 176400 177120 178605 179334 180810 181440 183708 185976 190512 192864 193725 194400 196800 198450 199260 200900 204120 206640 209223 209952 211680 212544 214326 216972 218700 221400 226800 229600 229635 232470 233280 235200 238140 239112 241080 244944 247968 249075 254016 255150 258300 262440 264600 265680 269001 271215 272160 275520 278964 285768 289296 291600 295200 297675 298890 301350 302400 306180 309960 317520 318816 321440 321489 325458 326592 328050 332100 340200 344400 348705 349920 352800 354240 357210 358668 361620 367416 371952 381024 382725 385728 387450 388800 396900 398520 401800 408240 413280 418446 419904 423360 428652 433944 437400 442800 448335 452025 453600 459200 459270 464940 476280 478224 482160 488187 489888 495936 498150 510300 516600 524880 529200 531360 535815 538002 542430 544320 557928 571536 578592 581175 583200 590400 595350 597780 602700 612360 619920 627669 635040 637632 642880 642978 650916 656100 664200 680400 688800 697410 699840 705600 714420 717336 723240 734832 743904 747225 762048 765450 774900 793800 797040 803600 813645 816480 826560 836892 857304 867888 874800 885600 893025 896670 904050 907200 918540 929880 952560 956448 964320 976374 979776 996300 1020600 1033200 1046115 1049760 1058400 1062720 1071630 1076004 1084860 1115856 1143072 1148175 1157184 1162350 1166400 1190700 1195560 1205400 1224720 1239840 1255338 1270080 1285956 1301832 1312200 1328400 1345005 1356075 1360800 1377600 1394820 1428840 1434672 1446480 1464561 1469664 1487808 1494450 1530900 1549800 1587600 1594080 1607200 1607445 1627290 1632960 1673784 1714608 1735776 1743525 1749600 1771200 1786050 1793340 1808100 1837080 1859760 1883007 1905120 1912896 1928640 1952748 1992600 2041200 2066400 2092230 2099520 2116800 2143260 2152008 2169720 2231712 2241675 2286144 2296350 2324700 2381400 2391120 2410800 2440935 2449440 2479680 2510676 2571912 2603664 2624400 2656800 2679075 2690010 2712150 2721600 2789640 2857680 2869344 2892960 2929122 2939328 2988900 3061800 3099600 3138345 3175200 3188160 3214400 3214890 3254580 3347568 3429216 3471552 3487050 3499200 3572100 3586680 3616200 3674160 3719520 3766014 3810240 3905496 3985200 4068225 4082400 4132800 4184460 4286520 4304016 4339440 4393683 4463424 4483350 4592700 4649400 4762800 4782240 4821600 4881870 4898880 5021352 5143824 5207328 5230575 5248800 5313600 5358150 5380020 5424300 5579280 5715360 5738688 5785920 5858244 5977800 6123600 6199200 6276690 6350400 6429780 6509160 6695136 6725025 6858432 6974100 7144200 7173360 7232400 7322805 7348320 7439040 7532028 7810992 7970400 8037225 8136450 8164800 8368920 8573040 8608032 8678880 8787366 8966700 9185400 9298800 9415035 9525600 9564480 9643200 9763740 10042704 10287648 10414656 10461150 10497600 10716300 10760040 10848600 11158560 11430720 11716488 11955600 12204675 12247200 12398400 12553380 12859560 13018320 13181049 13390272 13450050 13948200 14288400 14346720 14464800 14645610 14696640 15064056 15621984 15691725 15940800 16074450 16272900 16737840 17146080 17216064 17357760 17574732 17933400 18370800 18597600 18830070 19051200 19527480 20085408 20575296 20922300 21432600 21520080 21697200 21968415 22317120 23432976 23911200 24409350 24494400 25106760 25719120 26036640 26362098 26900100 27896400 28576800 28693440 28929600 29291220 30128112 31243968 31383450 32148900 32545800 33475680 34292160 35149464 35866800 36614025 36741600 37195200 37660140 39054960 40170816 41844600 42865200 43040160 43394400 43936830 46865952 47075175 47822400 48818700 50213520 51438240 52073280 52724196 53800200 55792800 57153600 58582440 60256224 62766900 64297800 65091600 65905245 66951360 70298928 71733600 73228050 73483200 75320280 78109920 83689200 85730400 86080320 86788800 87873660 93731904 94150350 97637400 100427040 102876480 105448392 107600400 109842075 111585600 117164880 120512448 125533800 128595600 130183200 131810490 140597856 143467200 146456100 150640560 156219840 167378400 171460800 175747320 188300700 195274800 200854080 210896784 215200800 219684150 234329760 251067600 257191200 260366400 263620980 281195712 292912200 301281120 329526225 334756800 351494640 376601400 390549600 421793568 430401600 439368300 468659520 502135200 514382400 527241960 585824400 602562240 659052450 702989280 753202800 781099200 843587136 878736600 1004270400 1054483920 1171648800 1318104900 1405978560 1506405600 1757473200 2108967840 2343297600 2636209800 3012811200 3514946400 4217935680 5272419600 7029892800 10544839200 21089678400
• Sum of all divisors σ(n): 92753176698
• Sum of proper divisors (its aliquot sum) s(n): 71663498298
• 21089678400 is an abundant number, because the sum of its proper divisors (71663498298) is greater than itself. Its abundance is 50573819898

Bases of 21089678400

• Binary: 10011101001000010101111010001000000₂
• Hexadecimal: 0x4E90AF440
• Base-36: 9OS9000

Squares and roots of 21089678400

• 21089678400 squared (21089678400²) is 444774535015426560000
• 21089678400 cubed (21089678400³) is 9380151903984885189218304000000
• The square root of 21089678400 is 145222.8577049771
• The cube root of 21089678400 is 2762.8458359165

Scales and comparisons

• 21,089,678,400 seconds is equal to 670 years, 30 weeks, 3 days, 12 hours.
• To count from 1 to 21,089,678,400 would take you about one thousand, three hundred forty-one 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 21089678400 cubic inches would be around 230.2 feet tall.

Recreational maths with 21089678400

• 21089678400 backwards is 00487698012
• 21089678400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21089678400's digits is 45
• More coming soon!