21289944000

Names of 21289944000

• Cardinal: 21289944000 can be written as Twenty-one billion, two hundred eighty-nine million, nine hundred forty-four thousand.

Scientific notation

• Scientific notation: 2.1289944 × 10¹⁰

Factors of 21289944000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 233

Divisors of 21289944000

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 29 30 32 39 40 48 50 52 58 60 64 65 75 78 80 87 96 100 104 116 120 125 130 145 150 156 160 169 174 181 192 195 200 208 232 240 250 260 290 300 312 320 325 338 348 362 375 377 390 400 416 435 464 480 500 507 520 543 580 600 624 650 676 696 724 725 750 754 780 800 832 845 870 905 928 960 975 1000 1014 1040 1086 1131 1160 1200 1248 1300 1352 1392 1448 1450 1500 1508 1560 1600 1625 1690 1740 1810 1856 1885 1950 2000 2028 2080 2172 2175 2262 2320 2353 2400 2496 2535 2600 2704 2715 2784 2896 2900 3000 3016 3120 3250 3380 3480 3620 3625 3770 3900 4000 4056 4160 4225 4344 4350 4524 4525 4640 4706 4800 4875 4901 5070 5200 5249 5408 5430 5568 5655 5792 5800 6000 6032 6240 6500 6760 6960 7059 7240 7250 7540 7800 8000 8112 8450 8688 8700 9048 9050 9280 9412 9425 9750 9802 10140 10400 10498 10816 10860 10875 11310 11584 11600 11765 12000 12064 12480 12675 13000 13520 13575 13920 14118 14480 14500 14703 15080 15600 15747 16224 16900 17376 17400 18096 18100 18824 18850 19500 19604 20280 20800 20996 21125 21720 21750 22620 22625 23200 23530 24000 24128 24505 25350 26000 26245 27040 27150 27840 28236 28275 28960 29000 29406 30160 30589 31200 31494 32448 33800 34752 34800 35295 36192 36200 37648 37700 39000 39208 40560 41992 42250 43440 43500 45240 45250 46400 47060 47125 49010 50700 52000 52490 54080 54300 56472 56550 57920 58000 58812 58825 60320 61178 62400 62988 63375 67600 67875 68237 69600 70590 72384 72400 73515 75296 75400 78000 78416 78735 81120 83984 84500 86880 87000 90480 90500 91767 94120 94250 98020 101400 104000 104980 108600 112944 113100 116000 117624 117650 120640 122356 122525 125976 126750 131225 135200 135750 136474 139200 141180 141375 144800 147030 150592 150800 152945 156000 156832 157470 162240 167968 169000 173760 174000 176475 180960 181000 183534 188240 188500 196040 202800 204711 209960 217200 225888 226200 232000 235248 235300 244712 245050 251952 253500 262450 270400 271500 272948 282360 282750 289600 294060 294125 301600 305890 312000 313664 314940 335936 338000 341185 348000 352950 361920 362000 367068 367575 376480 377000 392080 393675 405600 409422 419920 434400 451776 452400 458835 470496 470600 489424 490100 503904 507000 524900 543000 545896 564720 565500 588120 588250 603200 611780 612625 629880 656125 676000 682370 696000 705900 724000 734136 735150 752960 754000 764725 784160 787350 811200 818844 839840 868800 882375 887081 904800 917670 940992 941200 978848 980200 1007808 1014000 1023555 1049800 1086000 1091792 1129440 1131000 1176240 1176500 1223560 1225250 1259760 1312250 1352000 1364740 1411800 1448000 1468272 1470300 1508000 1529450 1568320 1574700 1637688 1679680 1705925 1764750 1774162 1809600 1835340 1837875 1882400 1957696 1960400 1968375 2028000 2047110 2099600 2172000 2183584 2258880 2262000 2294175 2352480 2353000 2447120 2450500 2519520 2624500 2661243 2729480 2823600 2936544 2940600 3016000 3058900 3149400 3275376 3411850 3529500 3548324 3670680 3675750 3764800 3823625 3920800 3936750 4056000 4094220 4199200 4344000 4367168 4435405 4524000 4588350 4704960 4706000 4894240 4901000 5039040 5117775 5249000 5322486 5458960 5647200 5873088 5881200 6117800 6298800 6550752 6823700 7059000 7096648 7341360 7351500 7647250 7841600 7873500 8188440 8398400 8529625 8870810 9048000 9176700 9412000 9788480 9802000 10235550 10498000 10644972 10917920 11294400 11470875 11762400 12235600 12597600 13101504 13306215 13647400 14118000 14193296 14682720 14703000 15294500 15747000 16376880 17059250 17741620 18353400 18824000 19604000 20471100 20996000 21289944 21835840 22177025 22941750 23524800 24471200 25195200 25588875 26612430 27294800 28236000 28386592 29365440 29406000 30589000 31494000 32753760 34118500 35483240 36706800 39208000 40942200 41992000 42579888 44354050 45883500 48942400 51177750 53224860 54589600 56472000 56773184 58812000 61178000 62988000 65507520 66531075 68237000 70966480 73413600 81884400 85159776 88708100 91767000 102355500 106449720 109179200 110885125 117624000 122356000 125976000 133062150 136474000 141932960 146827200 163768800 170319552 177416200 183534000 204711000 212899440 221770250 244712000 266124300 272948000 283865920 327537600 332655375 354832400 367068000 409422000 425798880 443540500 532248600 545896000 665310750 709664800 734136000 818844000 851597760 887081000 1064497200 1330621500 1419329600 1637688000 1774162000 2128994400 2661243000 3548324000 4257988800 5322486000 7096648000 10644972000 21289944000
• Sum of all divisors σ(n): 79183016640
• Sum of proper divisors (its aliquot sum) s(n): 57893072640
• 21289944000 is an abundant number, because the sum of its proper divisors (57893072640) is greater than itself. Its abundance is 36603128640

Bases of 21289944000

• Binary: 10011110100111110101100001111000000₂
• Hexadecimal: 0x4F4FAC3C0
• Base-36: 9S3HDXC

Squares and roots of 21289944000

• 21289944000 squared (21289944000²) is 453261715523136000000
• 21289944000 cubed (21289944000³) is 9649916540831496144384000000000
• The square root of 21289944000 is 145910.7398377515
• The cube root of 21289944000 is 2771.5635409927

Scales and comparisons

• 21,289,944,000 seconds is equal to 676 years, 49 weeks, 4 days, 9 hours, 20 minutes.
• To count from 1 to 21,289,944,000 would take you about one thousand, three 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 21289944000 cubic inches would be around 231 feet tall.

Recreational maths with 21289944000

• 21289944000 backwards is 00044998212
• 21289944000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21289944000's digits is 39
• More coming soon!