21042653184

Names of 21042653184

• Cardinal: 21042653184 can be written as Twenty-one billion, forty-two million, six hundred fifty-three thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 2.1042653184 × 10¹⁰

Factors of 21042653184

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 5304

Divisors of 21042653184

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 56 62 63 64 72 84 93 96 112 124 126 128 144 168 186 192 217 224 248 252 256 279 288 336 372 384 434 448 496 504 512 558 576 651 672 744 768 868 896 992 1008 1024 1116 1152 1302 1344 1488 1536 1736 1792 1953 1984 2016 2048 2232 2304 2604 2688 2976 3072 3472 3584 3906 3968 4032 4464 4608 5208 5261 5376 5952 6144 6944 7168 7812 7936 8064 8928 9216 10416 10522 10752 11904 13888 14336 15624 15783 15872 16128 17856 18432 20832 21044 21504 23808 27776 31248 31566 31744 32256 35712 36827 41664 42088 43008 47349 47616 55552 62496 63132 63488 64512 71424 73654 83328 84176 94698 95232 110481 111104 124992 126264 129024 142848 147308 163091 166656 168352 189396 190464 220962 222208 249984 252528 285696 294616 326182 331443 333312 336704 378792 441924 444416 489273 499968 505056 571392 589232 652364 662886 666624 673408 757584 883848 978546 999936 1010112 1141637 1178464 1304728 1325772 1333248 1346816 1467819 1515168 1767696 1957092 1999872 2020224 2283274 2356928 2609456 2651544 2693632 2935638 3030336 3424911 3535392 3914184 3999744 4040448 4566548 4713856 5218912 5303088 5387264 5871276 6060672 6849822 7070784 7828368 8080896 9133096 9427712 10274733 10437824 10606176 10774528 11742552 12121344 13699644 14141568 15656736 16161792 18266192 18855424 20549466 20875648 21212352 23485104 24242688 27399288 28283136 31313472 32323584 36532384 37710848 41098932 41751296 42424704 46970208 48485376 54798576 56566272 62626944 73064768 75421696 82197864 83502592 84849408 93940416 96970752 109597152 113132544 125253888 146129536 164395728 167005184 169698816 187880832 219194304 226265088 250507776 292259072 328791456 334010368 339397632 375761664 438388608 501015552 584518144 657582912 678795264 751523328 876777216 1002031104 1169036288 1315165824 1503046656 1753554432 2338072576 2630331648 3006093312 3507108864 5260663296 7014217728 10521326592 21042653184
• Sum of all divisors σ(n): 71711377920
• Sum of proper divisors (its aliquot sum) s(n): 50668724736
• 21042653184 is an abundant number, because the sum of its proper divisors (50668724736) is greater than itself. Its abundance is 29626071552

Bases of 21042653184

• Binary: 10011100110001111010110100000000000₂
• Hexadecimal: 0x4E63D6800
• Base-36: 9O09340

Squares and roots of 21042653184

• 21042653184 squared (21042653184²) is 442793253022105337856
• 21042653184 cubed (21042653184³) is 9317544855559322510018954133504
• The square root of 21042653184 is 145060.8602759545
• The cube root of 21042653184 is 2760.7908004919

Scales and comparisons

• 21,042,653,184 seconds is equal to 669 years, 4 weeks, 5 days, 5 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,042,653,184 would take you about one thousand, three hundred thirty-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 21042653184 cubic inches would be around 230.1 feet tall.

Recreational maths with 21042653184

• 21042653184 backwards is 48135624012
• 21042653184 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21042653184's digits is 36
• More coming soon!