21355416320

Names of 21355416320

• Cardinal: 21355416320 can be written as Twenty-one billion, three hundred fifty-five million, four hundred sixteen thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.135541632 × 10¹⁰

Factors of 21355416320

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 254

Divisors of 21355416320

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 19 20 28 32 34 35 38 40 47 56 64 68 70 76 80 85 94 95 112 119 128 133 136 140 152 157 160 170 188 190 224 235 238 256 266 272 280 304 314 320 323 329 340 376 380 448 470 476 532 544 560 595 608 628 640 646 658 665 680 752 760 785 799 893 896 940 952 1064 1088 1099 1120 1190 1216 1256 1280 1292 1316 1330 1360 1504 1520 1570 1598 1615 1645 1786 1792 1880 1904 2128 2176 2198 2240 2261 2380 2432 2512 2584 2632 2660 2669 2720 2983 3008 3040 3140 3196 3230 3290 3572 3760 3808 3995 4256 4352 4396 4465 4480 4522 4760 4864 5024 5168 5264 5320 5338 5440 5495 5593 5966 6016 6080 6251 6280 6392 6460 6580 7144 7379 7520 7616 7990 8512 8792 8930 8960 9044 9520 10048 10336 10528 10640 10676 10880 10990 11186 11305 11932 12032 12160 12502 12560 12784 12920 13160 13345 14288 14758 14915 15040 15181 15232 15980 17024 17584 17860 18088 18683 19040 20096 20672 20881 21056 21280 21352 21760 21980 22372 22610 23864 24320 25004 25120 25568 25840 26320 26690 27965 28576 29516 29830 30080 30362 30464 31255 31960 34048 35168 35720 36176 36895 37366 38080 40192 41344 41762 42112 42560 42704 43960 44744 45220 47728 50008 50240 50711 51136 51653 51680 52640 53380 55930 57152 59032 59660 60160 60724 62510 63920 70336 71440 72352 73790 74732 75905 76160 82688 83524 84224 85120 85408 87920 89488 90440 93415 95456 100016 100480 101422 102272 103306 103360 104405 105280 106267 106760 111860 114304 118064 119320 121448 125020 125443 127840 140201 140672 142880 144704 147580 149464 151810 152320 167048 170240 170816 175840 178976 180880 186830 190912 200032 200960 202844 204544 206612 206720 208810 210560 212534 213520 223720 228608 236128 238640 242896 250040 250886 253555 255680 258265 280402 281344 285760 289408 295160 298928 303620 334096 341632 351680 354977 357952 361760 373660 381824 400064 405688 413224 413440 417620 421120 425068 427040 447440 472256 477280 485792 500080 501772 507110 511360 516530 531335 560804 571520 578816 590320 597856 607240 627215 668192 683264 701005 703360 709954 715904 723520 747320 763648 800128 811376 826448 835240 850136 854080 878101 894880 944512 954560 971584 981407 1000160 1003544 1014220 1022720 1033060 1062670 1121608 1143040 1180640 1195712 1214480 1254430 1336384 1402010 1406720 1419908 1431808 1447040 1494640 1600256 1622752 1652896 1670480 1700272 1708160 1756202 1774885 1789760 1889024 1909120 1943168 1962814 2000320 2007088 2028440 2066120 2125340 2243216 2361280 2383417 2391424 2428960 2508860 2672768 2804020 2839816 2894080 2989280 3245504 3305792 3340960 3400544 3416320 3512404 3549770 3579520 3818240 3886336 3925628 4000640 4014176 4056880 4132240 4250680 4390505 4486432 4722560 4766834 4782848 4857920 4907035 5017720 5345536 5608040 5679632 5978560 6491008 6611584 6681920 6801088 7024808 7099540 7159040 7851256 8001280 8028352 8113760 8264480 8501360 8781010 8972864 9445120 9533668 9715840 9814070 10035440 11216080 11359264 11917085 11957120 12982016 13223168 13363840 13602176 14049616 14199080 15702512 16056704 16227520 16528960 16683919 17002720 17562020 17945728 19067336 19431680 19628140 20070880 22432160 22718528 23834170 23914240 26727680 27204352 28099232 28398160 31405024 32113408 32455040 33057920 33367838 34005440 35124040 35891456 38134672 39256280 40141760 44864320 45437056 47668340 56198464 56796320 62810048 64910080 66115840 66735676 68010880 70248080 76269344 78512560 80283520 83419595 89728640 90874112 95336680 112396928 113592640 125620096 133471352 136021760 140496160 152538688 157025120 160567040 166839190 179457280 190673360 224793856 227185280 251240192 266942704 280992320 305077376 314050240 333678380 381346720 454370560 533885408 561984640 610154752 628100480 667356760 762693440 1067770816 1123969280 1256200960 1334713520 1525386880 2135541632 2669427040 3050773760 4271083264 5338854080 10677708160 21355416320
• Sum of all divisors σ(n): 66967326720
• Sum of proper divisors (its aliquot sum) s(n): 45611910400
• 21355416320 is an abundant number, because the sum of its proper divisors (45611910400) is greater than itself. Its abundance is 24256494080

Bases of 21355416320

• Binary: 10011111000111000011100101100000000₂
• Hexadecimal: 0x4F8E1CB00
• Base-36: 9T6GOOW

Squares and roots of 21355416320

• 21355416320 squared (21355416320²) is 456053806200522342400
• 21355416320 cubed (21355416320³) is 9739218895732752023413587968000
• The square root of 21355416320 is 146134.9250521585
• The cube root of 21355416320 is 2774.4017353797

Scales and comparisons

• 21,355,416,320 seconds is equal to 679 years, 1 week, 6 days, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 21,355,416,320 would take you about one thousand, three hundred fifty-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 21355416320 cubic inches would be around 231.2 feet tall.

Recreational maths with 21355416320

• 21355416320 backwards is 02361455312
• 21355416320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21355416320's digits is 32
• More coming soon!