21138954672000

Names of 21138954672000

• Cardinal: 21138954672000 can be written as Twenty-one trillion, one hundred thirty-eight billion, nine hundred fifty-four million, six hundred seventy-two thousand.

Scientific notation

• Scientific notation: 2.1138954672 × 10¹³

Factors of 21138954672000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 66585

Divisors of 21138954672000

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 32 33 40 44 48 50 55 60 64 66 75 80 88 96 100 110 120 125 128 132 150 160 165 176 192 200 220 240 250 264 275 300 320 330 352 375 384 400 440 480 500 528 550 600 607 640 660 704 750 800 825 880 960 1000 1056 1100 1200 1214 1320 1375 1408 1500 1600 1650 1760 1821 1920 2000 2112 2200 2400 2428 2640 2750 3000 3035 3200 3300 3520 3642 4000 4125 4224 4400 4800 4856 5280 5500 6000 6070 6600 6677 7040 7284 8000 8250 8800 9105 9600 9712 10560 11000 12000 12140 13200 13354 14568 15175 16000 16500 17600 18210 19424 20031 21120 22000 24000 24280 26400 26708 29136 30350 33000 33385 35200 36420 38848 40062 44000 45525 48000 48560 52800 53416 58272 60700 65957 66000 66770 72840 75875 77696 80124 88000 91050 97120 100155 105600 106832 116544 121400 131914 132000 133540 145680 151750 160248 166925 176000 182100 194240 197871 200310 213664 227625 233088 242800 263828 264000 267080 291360 303500 320496 329785 333850 364200 388480 395742 400620 427328 455250 485600 500775 527656 528000 534160 582720 607000 640992 659570 667700 725527 728400 791484 801240 834625 854656 910500 971200 989355 1001550 1055312 1068320 1165440 1214000 1281984 1319140 1335400 1451054 1456800 1582968 1602480 1648925 1669250 1821000 1942400 1978710 2003100 2110624 2136640 2176581 2428000 2503875 2563968 2638280 2670800 2902108 2913600 3165936 3204960 3297850 3338500 3627635 3642000 3957420 4006200 4221248 4273280 4353162 4856000 4946775 5007750 5276560 5341600 5804216 5827200 6331872 6409920 6595700 6677000 7255270 7284000 7914840 8012400 8244625 8442496 8706324 9712000 9893550 10015500 10553120 10683200 10882905 11608432 12663744 12819840 13191400 13354000 14510540 14568000 15829680 16024800 16489250 17412648 18138175 19787100 20031000 21106240 21366400 21765810 23216864 24733875 25327488 26382800 26708000 29021080 29136000 31659360 32049600 32978500 34825296 36276350 39574200 40035899 40062000 42212480 43531620 46433728 49467750 52765600 53416000 54414525 58042160 63318720 64099200 65957000 69650592 72552700 79148400 80071798 80124000 87063240 90690875 92867456 98935500 105531200 106832000 108829050 116084320 120107697 126637440 131914000 139301184 145105400 158296800 160143596 160248000 174126480 181381750 197871000 200179495 211062400 217658100 232168640 240215394 263828000 272072625 278602368 290210800 316593600 320287192 320496000 348252960 362763500 395742000 400358990 435316200 440394889 464337280 480430788 527656000 544145250 580421600 600538485 633187200 640574384 696505920 725527000 791484000 800717980 870632400 880789778 960861576 1000897475 1055312000 1088290500 1160843200 1201076970 1281148768 1321184667 1393011840 1451054000 1582968000 1601435960 1741264800 1761579556 1921723152 2001794950 2176581000 2201974445 2321686400 2402153940 2562297536 2642369334 2902108000 3002692425 3165936000 3202871920 3482529600 3523159112 3843446304 4003589900 4353162000 4403948890 4804307880 5004487375 5124595072 5284738668 5804216000 6005384850 6405743840 6605923335 6965059200 7046318224 7686892608 8007179800 8706324000 8807897780 9608615760 10008974750 10569477336 11009872225 11608432000 12010769700 12811487680 13211846670 14092636448 15013462125 15373785216 16014359600 17412648000 17615795560 19217231520 20017949500 21138954672 22019744450 24021539400 25622975360 26423693340 28185272896 30026924250 32028719200 33029616675 34825296000 35231591120 38434463040 40035899000 42277909344 44039488900 48043078800 52847386680 55049361125 56370545792 60053848500 64057438400 66059233350 70463182240 76868926080 80071798000 84555818688 88078977800 96086157600 105694773360 110098722250 120107697000 128114876800 132118466700 140926364480 160143596000 165148083375 169111637376 176157955600 192172315200 211389546720 220197444500 240215394000 264236933400 281852728960 320287192000 330296166750 352315911200 384344630400 422779093440 440394889000 480430788000 528473866800 640574384000 660592333500 704631822400 845558186880 880789778000 960861576000 1056947733600 1321184667000 1409263644800 1761579556000 1921723152000 2113895467200 2642369334000 3523159112000 4227790934400 5284738668000 7046318224000 10569477336000 21138954672000
• Sum of all divisors σ(n): 76573248860160
• Sum of proper divisors (its aliquot sum) s(n): 55434294188160
• 21138954672000 is an abundant number, because the sum of its proper divisors (55434294188160) is greater than itself. Its abundance is 34295339516160

Bases of 21138954672000

• Binary: 100110011100111001011111000100101011110000000₂
• Hexadecimal: 0x1339CBE25780
• Base-36: 7HR3NTITC

Squares and roots of 21138954672000

• 21138954672000 squared (21138954672000²) is 446855404624870627584000000
• 21138954672000 cubed (21138954672000³) is 9446056143303359360362368872448000000000
• The square root of 21138954672000 is 4597711.8952800861
• The cube root of 21138954672000 is 27649.9596902491

Scales and comparisons

• 21,138,954,672,000 seconds is equal to 672,153 years, 19 weeks, 2 days, 5 hours, 20 minutes.
• To count from 1 to 21,138,954,672,000 would take you about one million, six hundred eighty thousand, three hundred eighty-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 21138954672000 cubic inches would be around 2304.2 feet tall.

Recreational maths with 21138954672000

• 21138954672000 backwards is 00027645983112
• 21138954672000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21138954672000's digits is 48
• More coming soon!