21209094144

Names of 21209094144

• Cardinal: 21209094144 can be written as Twenty-one billion, two hundred nine million, ninety-four thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1209094144 × 10¹⁰

Factors of 21209094144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1056

Divisors of 21209094144

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 32 36 42 46 48 49 56 63 64 69 72 84 92 96 98 112 126 128 138 144 147 161 168 184 192 196 207 224 252 256 276 288 294 322 336 368 384 392 414 441 448 483 504 512 552 576 588 644 672 736 768 784 828 882 896 966 1008 1021 1024 1104 1127 1152 1176 1288 1344 1449 1472 1536 1568 1656 1764 1792 1932 2016 2042 2048 2208 2254 2304 2352 2576 2688 2898 2944 3063 3072 3136 3312 3381 3528 3584 3864 4032 4084 4416 4508 4608 4704 5152 5376 5796 5888 6126 6144 6272 6624 6762 7056 7147 7168 7728 8064 8168 8832 9016 9189 9216 9408 10143 10304 10752 11592 11776 12252 12544 13248 13524 14112 14294 14336 15456 16128 16336 17664 18032 18378 18432 18816 20286 20608 21441 21504 23184 23483 23552 24504 25088 26496 27048 28224 28588 30912 32256 32672 35328 36064 36756 37632 40572 41216 42882 43008 46368 46966 47104 49008 50029 50176 52992 54096 56448 57176 61824 64323 64512 65344 70449 70656 72128 73512 75264 81144 82432 85764 92736 93932 98016 100058 100352 105984 108192 112896 114352 123648 128646 129024 130688 140898 141312 144256 147024 150087 150528 162288 164381 164864 171528 185472 187864 196032 200116 211347 211968 216384 225792 228704 247296 257292 261376 281796 288512 294048 300174 301056 324576 328762 329728 343056 370944 375728 392064 400232 422694 423936 432768 450261 451584 457408 493143 494592 514584 522752 563592 577024 588096 600348 649152 657524 686112 741888 751456 784128 800464 845388 865536 900522 903168 914816 986286 989184 1029168 1045504 1127184 1150667 1154048 1176192 1200696 1298304 1315048 1372224 1479429 1483776 1502912 1568256 1600928 1690776 1731072 1801044 1829632 1972572 2058336 2091008 2254368 2301334 2308096 2352384 2401392 2596608 2630096 2744448 2958858 2967552 3005824 3136512 3201856 3381552 3452001 3462144 3602088 3659264 3945144 4116672 4508736 4602668 4704768 4802784 5193216 5260192 5488896 5917716 6011648 6273024 6403712 6763104 6904002 6924288 7204176 7318528 7890288 8233344 9017472 9205336 9409536 9605568 10356003 10386432 10520384 10977792 11835432 12023296 12807424 13526208 13808004 14408352 14637056 15780576 16466688 18034944 18410672 18819072 19211136 20712006 20772864 21040768 21955584 23670864 24046592 25614848 27052416 27616008 28816704 31561152 32933376 36069888 36821344 38422272 41424012 42081536 43911168 47341728 48093184 51229696 54104832 55232016 57633408 63122304 65866752 72139776 73642688 76844544 82848024 84163072 94683456 102459392 108209664 110464032 115266816 126244608 131733504 144279552 147285376 153689088 165696048 168326144 189366912 216419328 220928064 230533632 252489216 294570752 307378176 331392096 336652288 378733824 432838656 441856128 461067264 504978432 589141504 662784192 757467648 883712256 922134528 1009956864 1178283008 1325568384 1514935296 1767424512 2356566016 2651136768 3029870592 3534849024 5302273536 7069698048 10604547072 21209094144
• Sum of all divisors σ(n): 74427640560
• Sum of proper divisors (its aliquot sum) s(n): 53218546416
• 21209094144 is an abundant number, because the sum of its proper divisors (53218546416) is greater than itself. Its abundance is 32009452272

Bases of 21209094144

• Binary: 10011110000001010010001100000000000₂
• Hexadecimal: 0x4F0291800
• Base-36: 9QRCHS0

Squares and roots of 21209094144

• 21209094144 squared (21209094144²) is 449825674409055092736
• 21209094144 cubed (21209094144³) is 9540395076929941027920474537984
• The square root of 21209094144 is 145633.4238559267
• The cube root of 21209094144 is 2768.0506968339

Scales and comparisons

• 21,209,094,144 seconds is equal to 674 years, 19 weeks, 6 days, 15 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,209,094,144 would take you about one thousand, three hundred forty-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 21209094144 cubic inches would be around 230.7 feet tall.

Recreational maths with 21209094144

• 21209094144 backwards is 44149090212
• 21209094144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21209094144's digits is 36
• More coming soon!