21531418880000

Names of 21531418880000

• Cardinal: 21531418880000 can be written as Twenty-one trillion, five hundred thirty-one billion, four hundred eighteen million, eight hundred eighty thousand.

Scientific notation

• Scientific notation: 2.153141888 × 10¹³

Factors of 21531418880000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 391

Divisors of 21531418880000

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 29 32 37 40 50 58 61 64 74 80 100 116 122 125 128 145 148 160 185 200 232 244 250 256 257 290 296 305 320 370 400 464 488 500 512 514 580 592 610 625 640 725 740 800 925 928 976 1000 1024 1028 1073 1160 1184 1220 1250 1280 1285 1450 1480 1525 1600 1769 1850 1856 1952 2000 2048 2056 2146 2257 2320 2368 2440 2500 2560 2570 2900 2960 3050 3200 3538 3625 3700 3712 3904 4000 4112 4292 4514 4625 4640 4736 4880 5000 5120 5140 5365 5800 5920 6100 6400 6425 7076 7250 7400 7424 7453 7625 7808 8000 8224 8584 8845 9028 9250 9280 9472 9509 9760 10000 10240 10280 10730 11285 11600 11840 12200 12800 12850 14152 14500 14800 14848 14906 15250 15616 15677 16000 16448 17168 17690 18056 18125 18500 18560 18944 19018 19520 20000 20560 21460 22570 23125 23200 23680 24400 25600 25700 26825 28304 29000 29600 29696 29812 30500 31232 31354 32000 32125 32896 34336 35380 36112 36250 37000 37120 37265 37888 38036 38125 39040 40000 41120 42920 44225 45140 46250 46400 47360 47545 48800 51200 51400 53650 56425 56608 58000 59200 59392 59624 61000 62464 62708 64000 64250 65453 65792 68672 70760 72224 72500 74000 74240 74530 75776 76072 76250 78080 78385 80000 82240 85840 88450 90280 92500 92800 94720 95090 97600 102800 107300 112850 113216 116000 118400 119248 122000 124928 125416 128000 128500 130906 131584 134125 137344 141520 144448 145000 148000 148480 149060 152144 152500 156160 156770 160000 160625 164480 171680 176900 180560 185000 185600 186325 189440 190180 195200 205600 214600 221125 225700 226432 232000 236800 237725 238496 244000 250832 256000 257000 261812 263168 268250 274688 275761 282125 283040 288896 290000 296000 296960 298120 304288 305000 312320 313540 320000 321250 327265 328960 343360 353800 361120 370000 371200 372650 378880 380360 390400 391925 411200 429200 442250 451400 452864 454633 464000 473600 475450 476992 488000 501664 514000 523624 526336 536500 549376 551522 564250 566080 577792 580000 580049 592000 596240 608576 610000 624640 627080 640000 642500 654530 657920 670625 686720 707600 722240 740000 742400 745300 760720 780800 783850 822400 858400 884500 902800 905728 909266 928000 931625 947200 950900 953984 976000 1003328 1028000 1047248 1073000 1098752 1103044 1105625 1128500 1132160 1155584 1160000 1160098 1184000 1188625 1192480 1217152 1220000 1254160 1280000 1285000 1309060 1315840 1341250 1373440 1378805 1410625 1415200 1444480 1480000 1484800 1490600 1521440 1561600 1567700 1636325 1644800 1716800 1769000 1805600 1811456 1818532 1856000 1863250 1894400 1901800 1907968 1952000 1959625 2006656 2056000 2094496 2146000 2197504 2206088 2211250 2257000 2264320 2273165 2311168 2320000 2320196 2368000 2377250 2384960 2434304 2440000 2508320 2570000 2618120 2631680 2682500 2746880 2757610 2821250 2830400 2888960 2900245 2960000 2981200 3042880 3123200 3135400 3272650 3289600 3433600 3538000 3611200 3622912 3637064 3712000 3726500 3803600 3815936 3904000 3919250 4013312 4112000 4188992 4292000 4412176 4422500 4514000 4528640 4546330 4622336 4640000 4640392 4658125 4736000 4754500 4769920 4868608 4880000 5016640 5140000 5236240 5365000 5493760 5515220 5642500 5660800 5777920 5800490 5920000 5943125 5962400 6085760 6270800 6545300 6579200 6867200 6894025 7076000 7222400 7274128 7424000 7453000 7607200 7631872 7808000 7838500 8026624 8181625 8224000 8377984 8584000 8824352 8845000 9028000 9057280 9092660 9280000 9280784 9316250 9472000 9509000 9539840 9737216 9760000 9798125 10033280 10280000 10472480 10730000 10987520 11030440 11285000 11321600 11365825 11555840 11600980 11840000 11886250 11924800 12171520 12541600 13090600 13158400 13734400 13788050 14152000 14444800 14501225 14548256 14906000 15214400 15263744 15616000 15677000 16053248 16363250 16448000 16755968 16821421 17168000 17648704 17690000 18056000 18114560 18185320 18560000 18561568 18632500 19018000 19079680 19474432 19520000 19596250 20066560 20560000 20944960 21460000 22060880 22570000 22643200 22731650 23111680 23201960 23680000 23772500 23849600 24343040 25083200 26181200 27468800 27576100 28304000 28889600 29002450 29096512 29812000 30428800 31354000 32106496 32726500 32896000 33511936 33642842 34336000 34470125 35297408 35380000 36112000 36370640 37120000 37123136 37265000 38036000 38159360 39040000 39192500 40133120 40908125 41120000 41889920 42920000 44121760 45140000 45286400 45463300 46403920 47360000 47545000 47699200 48686080 50166400 52362400 54937600 55152200 56608000 56829125 57779200 58004900 58193024 59624000 60857600 62708000 65453000 65792000 67023872 67285684 68672000 68940250 70594816 70760000 72224000 72506125 72741280 74246272 74530000 76072000 76318720 78080000 78385000 80266240 81816250 82240000 83779840 84107105 85840000 88243520 90280000 90572800 90926600 92807840 95090000 95398400 97372160 100332800 104724800 110304400 113216000 113658250 115558400 116009800 116386048 119248000 121715200 125416000 130906000 134047744 134571368 137344000 137880500 141189632 141520000 144448000 145012250 145482560 148492544 149060000 152144000 156770000 160532480 163632500 164480000 167559680 168214210 171680000 172350625 176487040 180560000 181853200 185615680 190180000 190796800 200665600 209449600 220608800 226432000 227316500 232019600 232772096 238496000 243430400 250832000 261812000 269142736 274688000 275761000 282379264 283040000 284145625 288896000 290024500 290965120 296985088 298120000 304288000 313540000 327265000 328960000 335119360 336428420 343360000 344701250 352974080 361120000 362530625 363706400 371231360 380360000 381593600 401331200 418899200 420535525 441217600 452864000 454633000 464039200 465544192 476992000 486860800 501664000 523624000 538285472 551522000 564758528 566080000 568291250 577792000 580049000 581930240 593970176 596240000 608576000 627080000 654530000 670238720 672856840 686720000 689402500 705948160 722240000 725061250 727412800 742462720 760720000 802662400 837798400 841071050 882435200 909266000 928078400 931088384 953984000 1003328000 1047248000 1076570944 1103044000 1132160000 1136582500 1160098000 1163860480 1187940352 1192480000 1217152000 1254160000 1309060000 1345713680 1373440000 1378805000 1411896320 1444480000 1450122500 1454825600 1484925440 1521440000 1675596800 1682142100 1764870400 1818532000 1856156800 1907968000 2006656000 2094496000 2102677625 2153141888 2206088000 2264320000 2273165000 2320196000 2327720960 2384960000 2434304000 2508320000 2618120000 2691427360 2757610000 2823792640 2888960000 2900245000 2909651200 2969850880 3042880000 3351193600 3364284200 3529740800 3637064000 3712313600 4013312000 4188992000 4205355250 4306283776 4412176000 4546330000 4640392000 4655441920 4769920000 5016640000 5236240000 5382854720 5515220000 5800490000 5819302400 5939701760 6085760000 6728568400 7059481600 7274128000 7424627200 8377984000 8410710500 8612567552 8824352000 9092660000 9280784000 9539840000 10033280000 10472480000 10513388125 10765709440 11030440000 11600980000 11638604800 12171520000 13457136800 14118963200 14548256000 14849254400 16755968000 16821421000 17225135104 17648704000 18185320000 18561568000 20066560000 20944960000 21026776250 21531418880 22060880000 23201960000 23277209600 26914273600 29096512000 29698508800 33642842000 34450270208 35297408000 36370640000 37123136000 41889920000 42053552500 43062837760 44121760000 46403920000 53828547200 58193024000 67285684000 70594816000 72741280000 74246272000 83779840000 84107105000 86125675520 88243520000 92807840000 107657094400 116386048000 134571368000 145482560000 148492544000 168214210000 172251351040 176487040000 185615680000 215314188800 269142736000 290965120000 336428420000 352974080000 371231360000 430628377600 538285472000 581930240000 672856840000 742462720000 861256755200 1076570944000 1345713680000 2153141888000 2691427360000 4306283776000 5382854720000 10765709440000 21531418880000
• Sum of all divisors σ(n): 58320493030800
• Sum of proper divisors (its aliquot sum) s(n): 36789074150800
• 21531418880000 is an abundant number, because the sum of its proper divisors (36789074150800) is greater than itself. Its abundance is 15257655270800

Bases of 21531418880000

• Binary: 100111001010100101100100100101110100000000000₂
• Hexadecimal: 0x13952C92E800
• Base-36: 7MREAVJSW

Squares and roots of 21531418880000

• 21531418880000 squared (21531418880000²) is 463601998986020454400000000
• 21531418880000 cubed (21531418880000³) is 9982008833773341667934339072000000000000
• The square root of 21531418880000 is 4640195.9958605197
• The cube root of 21531418880000 is 27820.0271816623

Scales and comparisons

• 21,531,418,880,000 seconds is equal to 684,632 years, 27 weeks, 53 minutes, 20 seconds.
• To count from 1 to 21,531,418,880,000 would take you about one million, seven hundred eleven thousand, five hundred eighty-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 21531418880000 cubic inches would be around 2318.3 feet tall.

Recreational maths with 21531418880000

• 21531418880000 backwards is 00008881413512
• The number of decimal digits it has is: 14
• The sum of 21531418880000's digits is 41
• More coming soon!