21329828520

Names of 21329828520

• Cardinal: 21329828520 can be written as Twenty-one billion, three hundred twenty-nine million, eight hundred twenty-eight thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.132982852 × 10¹⁰

Factors of 21329828520

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 214

Divisors of 21329828520

• Number of divisors d(n): 1024
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 13 14 15 20 21 22 24 26 28 30 33 35 39 40 41 42 44 52 55 56 60 61 65 66 70 71 77 78 82 84 88 91 104 105 110 120 122 123 130 132 140 142 143 154 156 164 165 168 182 183 195 205 210 213 220 231 244 246 260 264 273 280 284 286 287 305 308 312 328 330 355 364 366 385 390 410 420 426 427 429 440 451 455 462 488 492 497 520 533 546 568 572 574 610 615 616 660 671 710 715 728 732 770 780 781 793 820 840 852 854 858 861 902 910 915 923 924 984 994 1001 1065 1066 1092 1144 1148 1155 1220 1230 1281 1320 1342 1353 1365 1420 1430 1435 1464 1491 1540 1560 1562 1586 1599 1640 1704 1708 1716 1722 1804 1820 1830 1846 1848 1988 2002 2013 2130 2132 2135 2145 2184 2255 2296 2310 2343 2379 2440 2460 2485 2501 2562 2665 2684 2706 2730 2769 2840 2860 2870 2911 2982 3003 3080 3124 3157 3172 3198 3355 3416 3432 3444 3608 3640 3660 3692 3731 3905 3965 3976 4004 4026 4260 4264 4270 4290 4305 4331 4510 4615 4620 4686 4697 4758 4920 4970 5002 5005 5124 5330 5368 5412 5460 5467 5538 5551 5720 5740 5822 5863 5964 6006 6248 6314 6344 6396 6405 6461 6710 6765 6888 7320 7384 7455 7462 7503 7810 7930 7995 8008 8052 8520 8540 8580 8610 8662 8723 8733 9020 9230 9240 9372 9394 9471 9516 9940 10004 10010 10065 10153 10248 10660 10824 10920 10934 11076 11102 11193 11480 11644 11715 11726 11895 11928 12012 12505 12628 12792 12810 12922 12993 13420 13530 13845 14091 14555 14910 14924 15006 15015 15620 15785 15860 15990 16104 16401 16653 17080 17160 17220 17324 17446 17466 17507 17589 18040 18460 18655 18744 18788 18942 19032 19383 19880 20008 20020 20130 20306 20377 21320 21655 21868 22152 22204 22386 23288 23430 23452 23485 23790 24024 25010 25256 25620 25844 25986 26169 26840 27060 27335 27511 27690 27755 28182 29110 29315 29820 29848 30012 30030 30317 30459 31240 31570 31720 31980 32021 32305 32513 32802 33306 34440 34648 34892 34932 35014 35178 36920 37310 37515 37576 37843 37884 38766 40040 40260 40612 40754 41041 43310 43615 43665 43736 44408 44772 46860 46904 46970 47355 47580 47641 50020 50765 51240 51688 51972 52338 52521 54120 54670 55022 55380 55510 55965 56303 56364 58220 58630 59640 60024 60060 60634 60918 61061 61131 63140 63960 64042 64610 64965 65026 65604 66612 69784 69864 70028 70356 70455 71071 74620 75030 75686 75768 77532 80520 81224 81508 82005 82082 82533 83265 86620 87230 87330 87535 87945 89544 90951 93720 93940 94710 95160 95282 96063 96915 97539 100040 101530 101885 103944 104676 105042 109340 110044 110760 111020 111930 112606 112728 113529 116440 117260 120120 121268 121836 122122 122262 123123 126280 128084 129220 129930 130052 130845 131208 133224 137555 140056 140712 140910 142142 142923 149240 150060 151372 151585 152295 155064 160105 162565 163016 164010 164164 165066 166530 168909 173240 174460 174660 175070 175890 177571 181902 183183 187880 189215 189420 190564 192126 192577 193830 195078 203060 203770 205205 209352 210084 213213 218680 220088 222040 223860 224147 225212 227058 227591 234520 238205 242536 243672 244244 244524 246246 256168 258440 259860 260104 261690 262605 264901 275110 281515 281820 284284 285846 300120 302744 303170 304590 305305 305655 320210 325130 328020 328328 330132 333060 333487 337818 348920 349320 350140 351780 355142 355355 357643 363804 366366 378430 378840 381128 384252 385154 387660 390156 394121 406120 407540 410410 412665 416273 420168 426426 447720 448294 450424 454116 454755 455182 476410 480315 487695 488488 489048 492492 519720 523380 525210 529802 532713 550220 563030 563640 567645 568568 571692 577731 606340 609180 610610 611310 615615 619333 640420 650260 656040 660264 666120 666974 672441 675636 682773 700280 703560 710284 710710 714615 715286 727608 732732 756860 768504 770308 775320 780312 788242 794703 815080 820820 825330 832546 844545 852852 887855 896588 908232 909510 910364 915915 952820 960630 962885 975390 984984 1000461 1046760 1050420 1059604 1065426 1066065 1072929 1100440 1120735 1126060 1135290 1137955 1143384 1155462 1182363 1212680 1218360 1221220 1222620 1231230 1238666 1242997 1248819 1280840 1300520 1324505 1333948 1344882 1351272 1365546 1420568 1421420 1429230 1430572 1465464 1513720 1540616 1576484 1589406 1641640 1650660 1665092 1667435 1689090 1705704 1775710 1788215 1793176 1819020 1820728 1831830 1857999 1905640 1921260 1925770 1950780 1953281 1970605 2000922 2081365 2100840 2119208 2130852 2132130 2145858 2241470 2252120 2270580 2275910 2308423 2310924 2364726 2442440 2445240 2462460 2477332 2485994 2497638 2503501 2649010 2663565 2667896 2689764 2731092 2842840 2858460 2861144 2888655 2913911 3096665 3152968 3178812 3301320 3330184 3334870 3362205 3378180 3413865 3551420 3576430 3638040 3663660 3715998 3728991 3842520 3851540 3901560 3906562 3941210 3973515 4001844 4162730 4261704 4264260 4291716 4335331 4482940 4541160 4551820 4616846 4621848 4729452 4924920 4954664 4971988 4995276 5002305 5007002 5298020 5327130 5364645 5379528 5462184 5716920 5777310 5827822 5859843 5911815 6193330 6214985 6244095 6357624 6669740 6724410 6756360 6827730 6925269 7102840 7152860 7327320 7431996 7457982 7510503 7703080 7813124 7882420 7947030 8003688 8325460 8528520 8583432 8670662 8741733 8965880 9103640 9233692 9289995 9458904 9766405 9943976 9990552 10004610 10014004 10596040 10654260 10729290 11542115 11554620 11655644 11719686 11823630 12386660 12429970 12488190 12517505 13005993 13339480 13448820 13655460 13672967 13850538 14305720 14569555 14863992 14915964 15021006 15626248 15764840 15894060 16158961 16650920 17341324 17483466 18467384 18579990 18644955 19532810 20009220 20028008 21308520 21458580 21676655 23084230 23109240 23311288 23439372 23647260 24773320 24859940 24976380 25035010 25392653 26011986 26897640 27310920 27345934 27701076 29139110 29299215 29831928 30042012 31788120 32317922 34626345 34682648 34966932 37159980 37289910 37552515 39065620 40018440 41018901 42917160 43353310 43708665 46168460 46878744 47294520 48476883 49719880 49952760 50070020 50785306 52023972 54691868 55402152 58278220 58598430 60084024 64635844 65029965 68364835 69252690 69933864 74319960 74579820 75105030 76177959 78131240 80794805 82037802 86706620 87417330 92336920 96953766 100140040 101570612 104047944 109383736 116556440 117196860 126963265 129271688 130059930 136729670 138505380 149159640 150210060 152355918 161589610 164075604 173413240 174834660 177748571 193907532 203141224 205094505 234393720 242384415 253926530 260119860 273459340 277010760 300420120 304711836 323179220 328151208 349669320 355497142 380889795 387815064 410189010 484768830 507853060 520239720 533245713 546918680 609423672 646358440 710994284 761779590 820378020 888742855 969537660 1015706120 1066491426 1421988568 1523559180 1640756040 1777485710 1939075320 2132982852 2666228565 3047118360 3554971420 4265965704 5332457130 7109942840 10664914260 21329828520
• Sum of all divisors σ(n): 90714193920
• Sum of proper divisors (its aliquot sum) s(n): 69384365400
• 21329828520 is an abundant number, because the sum of its proper divisors (69384365400) is greater than itself. Its abundance is 48054536880

Bases of 21329828520

• Binary: 10011110111010110110101101010101000₂
• Hexadecimal: 0x4F75B5AA8
• Base-36: 9SR890O

Squares and roots of 21329828520

• 21329828520 squared (21329828520²) is 454961584692605390400
• 21329828520 cubed (21329828520³) is 9704252584680729889259654208000
• The square root of 21329828520 is 146047.3502669597
• The cube root of 21329828520 is 2773.2932077193

Scales and comparisons

• 21,329,828,520 seconds is equal to 678 years, 11 weeks, 4 days, 22 minutes.
• To count from 1 to 21,329,828,520 would take you about one thousand, three hundred fifty-six 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 21329828520 cubic inches would be around 231.1 feet tall.

Recreational maths with 21329828520

• 21329828520 backwards is 02582892312
• 21329828520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21329828520's digits is 42
• More coming soon!