21266729120

Names of 21266729120

• Cardinal: 21266729120 can be written as Twenty-one billion, two hundred sixty-six million, seven hundred twenty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.126672912 × 10¹⁰

Factors of 21266729120

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 238

Divisors of 21266729120

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 31 32 35 40 49 52 53 56 62 65 70 80 91 98 104 106 112 124 127 130 140 155 160 182 196 208 212 217 224 245 248 254 260 265 280 310 364 371 392 403 416 424 434 455 490 496 508 520 530 560 620 635 637 689 728 742 784 806 848 868 889 910 980 992 1016 1040 1060 1085 1120 1240 1270 1274 1378 1456 1484 1519 1568 1612 1643 1651 1696 1736 1778 1820 1855 1960 2015 2032 2080 2120 2170 2480 2540 2548 2597 2756 2821 2912 2968 3038 3185 3224 3286 3302 3445 3472 3556 3640 3710 3920 3937 4030 4064 4240 4340 4445 4823 4960 5080 5096 5194 5512 5642 5936 6076 6223 6370 6448 6572 6604 6731 6890 6944 7112 7280 7420 7595 7840 7874 8060 8215 8255 8480 8680 8890 9646 10160 10192 10388 11024 11284 11501 11557 11872 12152 12446 12740 12896 12985 13144 13208 13462 13780 14105 14224 14560 14840 15190 15748 16120 16430 16510 17360 17780 19292 19685 19747 20320 20384 20776 21359 22048 22568 23002 23114 24115 24304 24892 25480 25970 26288 26416 26924 27559 27560 28210 28448 29680 30380 31115 31496 32240 32860 33020 33655 33761 34720 35560 38584 39370 39494 41552 42718 45136 46004 46228 47117 48230 48608 49784 50960 51181 51940 52576 52832 53848 55118 55120 56420 57505 57785 59360 60760 62230 62992 64480 65720 66040 67310 67522 71120 77168 78740 78988 80507 80899 83104 85436 87503 90272 92008 92456 94234 96460 98735 99568 101920 102362 103880 106795 107696 110236 110240 112840 115010 115570 121520 124460 125984 131440 132080 134620 135044 137795 142240 149513 154336 157480 157976 161014 161798 168805 170872 175006 184016 184912 188468 192913 192920 197470 199136 204724 207760 208661 213590 215392 220472 225680 230020 231140 235585 243040 248920 255905 262880 264160 269240 270088 275590 299026 314960 315952 322028 323596 329819 337610 341744 350012 358267 368032 369824 376936 385826 385840 394940 402535 404495 409448 415520 417322 427180 437515 440944 451360 460040 462280 471170 497840 511810 538480 540176 551180 598052 612521 629920 631904 644056 647192 659638 675220 683488 700024 716534 747565 753872 771652 771680 789880 805070 808990 818896 834644 854360 875030 881888 920080 924560 942340 964565 995680 1023620 1043305 1046591 1076960 1080352 1102360 1196104 1225042 1288112 1294384 1319276 1350440 1400048 1433068 1460627 1495130 1507744 1543304 1579760 1610140 1617980 1637792 1649095 1669288 1708720 1750060 1791335 1840160 1849120 1884680 1929130 2047240 2086610 2093182 2204720 2392208 2450084 2507869 2576224 2588768 2638552 2700880 2712593 2800096 2866136 2921254 2990260 3062605 3086608 3159520 3220280 3235960 3298190 3338576 3417440 3500120 3582670 3769360 3858260 4094480 4173220 4186364 4287647 4409440 4784416 4900168 5015738 5232955 5277104 5401760 5425186 5732272 5842508 5980520 6125210 6173216 6440560 6471920 6596380 6677152 7000240 7165340 7303135 7538720 7716520 8188960 8346440 8372728 8575294 9800336 10031476 10224389 10465910 10554208 10850372 11464544 11685016 11961040 12250420 12539345 12881120 12943840 13192760 13562965 14000480 14330680 14606270 15433040 16692880 16745456 17150588 18988151 19600672 20062952 20448778 20931820 21438235 21700744 23370032 23922080 24500840 25078690 26385520 27125930 28661360 29212540 30866080 33385760 33490912 34301176 37976302 40125904 40897556 41863640 42876470 43401488 46740064 49001680 50157380 51121945 52771040 54251860 57322720 58425080 68602352 75952604 80251808 81795112 83727280 85752940 86802976 94940755 98003360 100314760 102243890 108503720 116850160 132917057 137204704 151905208 163590224 167454560 171505880 189881510 200629520 204487780 217007440 233700320 265834114 303810416 327180448 343011760 379763020 401259040 408975560 434014880 531668228 607620832 664585285 686023520 759526040 817951120 1063336456 1329170570 1519052080 1635902240 2126672912 2658341140 3038104160 4253345824 5316682280 10633364560 21266729120
• Sum of all divisors σ(n): 66718826496
• Sum of proper divisors (its aliquot sum) s(n): 45452097376
• 21266729120 is an abundant number, because the sum of its proper divisors (45452097376) is greater than itself. Its abundance is 24185368256

Bases of 21266729120

• Binary: 10011110011100110001000100010100000₂
• Hexadecimal: 0x4F39888A0
• Base-36: 9RPNT7K

Squares and roots of 21266729120

• 21266729120 squared (21266729120²) is 452273767463455974400
• 21266729120 cubed (21266729120³) is 9618383700727187706610454528000
• The square root of 21266729120 is 145831.1664905689
• The cube root of 21266729120 is 2770.5557895475

Scales and comparisons

• 21,266,729,120 seconds is equal to 676 years, 11 weeks, 1 day, 16 hours, 45 minutes, 20 seconds.
• To count from 1 to 21,266,729,120 would take you about one thousand, three hundred fifty-two 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 21266729120 cubic inches would be around 230.9 feet tall.

Recreational maths with 21266729120

• 21266729120 backwards is 02192766212
• The number of decimal digits it has is: 11
• The sum of 21266729120's digits is 38
• More coming soon!