21515010048

Names of 21515010048

• Cardinal: 21515010048 can be written as Twenty-one billion, five hundred fifteen million, ten thousand and forty-eight.

Scientific notation

• Scientific notation: 2.1515010048 × 10¹⁰

Factors of 21515010048

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 205

Divisors of 21515010048

• Number of divisors d(n): 408
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 128 144 162 168 189 192 193 216 224 243 252 256 288 324 336 378 384 386 432 448 486 504 512 567 576 579 648 672 756 768 772 864 896 972 1008 1024 1134 1152 1158 1296 1344 1351 1512 1536 1544 1701 1728 1737 1792 1944 2016 2048 2268 2304 2316 2592 2688 2702 3024 3072 3088 3402 3456 3474 3584 3888 4032 4053 4096 4536 4608 4632 5184 5211 5376 5404 6048 6144 6176 6804 6912 6948 7168 7776 8064 8106 8192 9072 9216 9264 10368 10422 10752 10808 12096 12159 12288 12352 13608 13824 13896 14336 15552 15633 16128 16212 16384 18144 18432 18528 20736 20844 21504 21616 24192 24318 24576 24704 27216 27648 27792 28672 31104 31266 32256 32424 32768 36288 36477 36864 37056 41472 41688 43008 43232 46899 48384 48636 49152 49408 54432 55296 55584 57344 62208 62532 64512 64848 65536 72576 72954 73728 74112 82944 83376 86016 86464 93798 96768 97272 98304 98816 108864 109431 110592 111168 114688 124416 125064 129024 129696 145152 145908 147456 148224 165888 166752 172032 172928 187596 193536 194544 196608 197632 217728 218862 221184 222336 229376 248832 250128 258048 259392 290304 291816 294912 296448 328293 331776 333504 344064 345856 375192 387072 389088 395264 435456 437724 442368 444672 458752 497664 500256 516096 518784 580608 583632 589824 592896 656586 663552 667008 688128 691712 750384 774144 778176 790528 870912 875448 884736 889344 995328 1000512 1032192 1037568 1161216 1167264 1185792 1313172 1327104 1334016 1376256 1383424 1500768 1548288 1556352 1581056 1741824 1750896 1769472 1778688 1990656 2001024 2064384 2075136 2322432 2334528 2371584 2626344 2654208 2668032 2766848 3001536 3096576 3112704 3162112 3483648 3501792 3557376 3981312 4002048 4128768 4150272 4644864 4669056 4743168 5252688 5308416 5336064 5533696 6003072 6193152 6225408 6324224 6967296 7003584 7114752 7962624 8004096 8300544 9289728 9338112 9486336 10505376 10672128 11067392 12006144 12386304 12450816 12648448 13934592 14007168 14229504 15925248 16008192 16601088 18579456 18676224 18972672 21010752 21344256 22134784 24012288 24901632 27869184 28014336 28459008 32016384 33202176 37158912 37352448 37945344 42021504 42688512 44269568 48024576 49803264 55738368 56028672 56918016 64032768 66404352 74704896 84043008 85377024 88539136 96049152 99606528 111476736 112057344 113836032 128065536 132808704 149409792 168086016 170754048 192098304 199213056 224114688 256131072 265617408 298819584 336172032 341508096 384196608 398426112 448229376 512262144 597639168 672344064 768393216 796852224 896458752 1024524288 1195278336 1344688128 1536786432 1792917504 2390556672 2689376256 3073572864 3585835008 5378752512 7171670016 10757505024 21515010048
• Sum of all divisors σ(n): 74045677888
• Sum of proper divisors (its aliquot sum) s(n): 52530667840
• 21515010048 is an abundant number, because the sum of its proper divisors (52530667840) is greater than itself. Its abundance is 31015657792

Bases of 21515010048

• Binary: 10100000010011001010000000000000000₂
• Hexadecimal: 0x502650000
• Base-36: 9VTHC00

Squares and roots of 21515010048

• 21515010048 squared (21515010048²) is 462895657365540962304
• 21515010048 cubed (21515010048³) is 9959204719395179012926149230592
• The square root of 21515010048 is 146679.9578947307
• The cube root of 21515010048 is 2781.2958284395

Scales and comparisons

• 21,515,010,048 seconds is equal to 684 years, 5 weeks, 5 days, 7 hours, 40 minutes, 48 seconds.
• To count from 1 to 21,515,010,048 would take you about one thousand, three hundred sixty-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 21515010048 cubic inches would be around 231.8 feet tall.

Recreational maths with 21515010048

• 21515010048 backwards is 84001051512
• 21515010048 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21515010048's digits is 27
• More coming soon!