21521444385012

Names of 21521444385012

• Cardinal: 21521444385012 can be written as Twenty-one trillion, five hundred twenty-one billion, four hundred forty-four million, three hundred eighty-five thousand and twelve.

Scientific notation

• Scientific notation: 2.1521444385012 × 10¹³

Factors of 21521444385012

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 838

Divisors of 21521444385012

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 11 12 13 22 26 31 33 39 44 52 62 66 67 73 78 93 124 132 134 143 146 156 181 186 201 219 268 286 292 341 362 372 402 403 429 438 457 543 572 682 724 737 803 804 806 858 871 876 914 949 1023 1086 1209 1364 1371 1474 1606 1612 1716 1742 1828 1898 1991 2046 2077 2172 2211 2263 2353 2409 2418 2613 2742 2847 2948 3212 3484 3796 3982 4092 4154 4422 4433 4526 4706 4818 4836 4891 5027 5226 5484 5611 5694 5941 5973 6231 6789 7059 7964 8308 8844 8866 9052 9412 9581 9636 9782 10054 10439 10452 11222 11388 11882 11946 12127 12462 13213 13299 13578 14118 14167 14673 15081 16833 17732 17823 19162 19564 20108 20878 22444 22847 23764 23892 24254 24893 24924 25883 26426 26598 27001 27156 28236 28334 28743 29346 29419 30162 30619 31317 33361 33666 35646 36381 38324 39639 41756 42501 45694 48508 49786 51766 52852 53196 53801 54002 56668 57486 58692 58838 60324 61238 61721 62634 63583 65351 66722 67332 68541 71292 72762 72943 74679 77649 79278 81003 82717 85002 88257 91388 91857 99572 100083 103532 107602 108004 114972 117676 122476 123442 125268 127166 130702 133397 133444 137082 145343 145524 145886 149358 151621 155298 155837 157651 158556 161403 162006 165434 170004 171769 176514 183714 184171 185163 190749 196053 200166 215204 218829 246884 248151 254332 261404 266794 274164 290686 291772 297011 298716 303242 310596 311674 315302 322806 323609 324012 330868 336809 343538 353028 366971 367428 368342 370326 375937 381498 392106 398047 400191 400332 409603 433693 436029 437658 454863 467511 472953 496302 515307 533588 552513 581372 594022 606484 623348 630604 645612 647218 673618 687076 699413 733942 736684 740652 751874 762996 784212 796094 800382 802373 819206 867386 872058 875316 885271 891033 909726 909887 935022 945906 949189 970827 992604 1010427 1030614 1034191 1075321 1100913 1105026 1127811 1188044 1194141 1228809 1294436 1301079 1347236 1398826 1467884 1503748 1592188 1600764 1604746 1638412 1667831 1734161 1734772 1744116 1770542 1782066 1819452 1819774 1870044 1889459 1891812 1898378 1941654 1971073 2020854 2025881 2061228 2068382 2098239 2150642 2201826 2210052 2235187 2255622 2388282 2407119 2457618 2564227 2602158 2655813 2729661 2797652 2847567 3102573 3209492 3225963 3335662 3468322 3541084 3564132 3639548 3778918 3796756 3883308 3942146 4041708 4051762 4135307 4136764 4196478 4301284 4378517 4403652 4470374 4505633 4511244 4770623 4776564 4814238 4887181 4915236 5003493 5128454 5202483 5204316 5311626 5324839 5459322 5542039 5668377 5695134 5913219 6038341 6077643 6205146 6451926 6671324 6705561 6936644 7557836 7692681 7884292 8103524 8270614 8392956 8757034 8940748 9011266 9541246 9628476 9737981 9774362 10006986 10256908 10404966 10441079 10623252 10649678 10918644 11084078 11336754 11376101 11390268 11508523 11826438 11828531 12076682 12155286 12339457 12405921 12410292 12903852 13135551 13411122 13444483 13516899 14311869 14661543 15385362 15974517 16541228 16626117 17514068 18022532 18115023 19082492 19475962 19548724 20013972 20809932 20882158 21299356 21681803 22168156 22673508 22752202 23017046 23652876 23657062 24153364 24310572 24587057 24678914 24811842 26271102 26822244 26888966 27033798 27443401 28206497 28623738 29057431 29213943 29323086 30770724 31323237 31949034 33252234 33334951 34128303 34525569 35485593 36230046 37018371 38951924 40333449 41764316 43363606 45504404 46034092 47314124 49174114 49357828 49623684 52542204 53758991 53777932 54067596 54886802 56412994 57247476 58114862 58427886 58573229 58646172 60962429 62646474 63898068 65045409 66421751 66504468 66669902 68256606 69051138 69290797 70971186 72046507 72460092 73761171 74036742 78498433 80666898 82330203 84619491 86727212 87172293 98348228 100004853 107517982 109773604 112825988 116229724 116855772 117146458 121924858 125292948 126593753 130090818 132843502 133339804 135734027 136513212 138102276 138581594 141942372 144093014 147522342 147889313 148073484 156996866 161276973 161333796 164660406 169238982 171803209 174344586 175719687 182887287 187188571 199265253 200009706 207872391 215035964 216139521 234292916 235495299 243849716 253187506 260181636 265687004 271468054 277163188 288186028 295044684 295778626 301877411 313993732 319631741 322553946 329320812 338477964 343606418 348689172 351439374 356764213 365774574 366684461 374377142 379781259 398530506 400019412 404568847 407202081 415744782 432279042 443667939 470990598 506375012 515409627 542936108 561565713 591557252 603754822 639263482 645107892 687212836 702878748 713528426 731549148 733368922 748754284 759562518 762198767 792511577 797061012 809137694 814404162 831489564 863482763 864558084 887335878 900780361 905632233 941981196 958895223 1030819254 1070292639 1100053383 1123131426 1207509644 1213706541 1278526964 1427056852 1466737844 1519125036 1524397534 1585023154 1618275388 1628808324 1726965526 1774671756 1801560722 1811264466 1889835299 1917790446 2059074281 2061638508 2140585278 2200106766 2233441717 2246262852 2286596301 2377534731 2427413082 2433451423 2590448289 2702341083 3048795068 3170046308 3453931052 3603121444 3622528932 3779670598 3835580892 3924406343 4118148562 4281170556 4400213532 4450257317 4466883434 4573192602 4755069462 4854826164 4866902846 5180896578 5259395011 5404682166 5669505897 6177222843 6700325151 7300354269 7559341196 7848812686 8236297124 8900514634 8933766868 9146385204 9510138924 9733805692 9908583971 10361793156 10518790022 10809364332 11339011794 11773219029 12354445686 12541634257 13350771951 13400650302 14600708538 15697625372 15778185033 17801029268 19817167942 21037580044 22678023588 23546438058 24567858887 24708891372 25083268514 26701543902 26767965653 26801300604 29201417076 29725751913 31556370066 37624902771 39634335884 47092876116 49135717774 50166537028 53403087804 53535931306 57853345121 59451503826 63112740132 73703576661 75249805542 80303896959 98271435548 107071862612 115706690242 118903007652 137957976827 147407153322 150499611084 160607793918 163041245341 173560035363 231413380484 275915953654 294814306644 321215587836 326082490682 347120070726 413873930481 489123736023 551831907308 652164981364 694240141452 827747860962 978247472046 1655495721924 1793453698751 1956494944092 3586907397502 5380361096253 7173814795004 10760722192506 21521444385012
• Sum of all divisors σ(n): 63138577022976
• Sum of proper divisors (its aliquot sum) s(n): 41617132637964
• 21521444385012 is an abundant number, because the sum of its proper divisors (41617132637964) is greater than itself. Its abundance is 20095688252952

Bases of 21521444385012

• Binary: 100111001001011011010000011000011000011110100₂
• Hexadecimal: 0x1392DA0C30F4
• Base-36: 7MMTCBI7O

Squares and roots of 21521444385012

• 21521444385012 squared (21521444385012²) is 463172568417164542890240144
• 21521444385012 cubed (21521444385012³) is 9968142671853172260027256392905074321728
• The square root of 21521444385012 is 4639121.0789342415
• The cube root of 21521444385012 is 27815.7306141867

Scales and comparisons

• 21,521,444,385,012 seconds is equal to 684,315 years, 18 weeks, 5 days, 11 hours, 50 minutes, 12 seconds.
• To count from 1 to 21,521,444,385,012 would take you about one million, seven hundred ten thousand, seven hundred eighty-eight 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 21521444385012 cubic inches would be around 2318 feet tall.

Recreational maths with 21521444385012

• 21521444385012 backwards is 21058344412512
• The number of decimal digits it has is: 14
• The sum of 21521444385012's digits is 42
• More coming soon!