16821408384

Names of 16821408384

• Cardinal: 16821408384 can be written as Sixteen billion, eight hundred twenty-one million, four hundred eight thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 1.6821408384 × 10¹⁰

Factors of 16821408384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 120693

Divisors of 16821408384

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 121 128 132 144 176 192 198 242 264 288 352 363 384 396 484 528 576 704 726 792 968 1056 1089 1152 1408 1452 1584 1936 2112 2178 2904 3168 3872 4224 4356 5808 6336 7744 8712 11616 12672 15488 17424 23232 34848 46464 69696 120677 139392 241354 362031 482708 724062 965416 1086093 1327447 1448124 1930832 2172186 2654894 2896248 3861664 3982341 4344372 5309788 5792496 7723328 7964682 8688744 10619576 11584992 11947023 14601917 15446656 15929364 17377488 21239152 23169984 23894046 29203834 31858728 34754976 42478304 43805751 46339968 47788092 58407668 63717456 69509952 84956608 87611502 95576184 116815336 127434912 131417253 139019904 169913216 175223004 191152368 233630672 254869824 262834506 350446008 382304736 467261344 509739648 525669012 700892016 764609472 934522688 1051338024 1401784032 1529218944 1869045376 2102676048 2803568064 4205352096 5607136128 8410704192 16821408384
• Sum of all divisors σ(n): 53206326810
• Sum of proper divisors (its aliquot sum) s(n): 36384918426
• 16821408384 is an abundant number, because the sum of its proper divisors (36384918426) is greater than itself. Its abundance is 19563510042

Bases of 16821408384

• Binary: 1111101010101000100101001010000000₂
• Hexadecimal: 0x3EAA25280
• Base-36: 7Q715S0

Squares and roots of 16821408384

• 16821408384 squared (16821408384²) is 282959780021305491456
• 16821408384 cubed (16821408384³) is 4759782015985183892603198767104
• The square root of 16821408384 is 129697.3723095421
• The cube root of 16821408384 is 2562.2457701985

Scales and comparisons

• 16,821,408,384 seconds is equal to 534 years, 45 weeks, 1 day, 5 hours, 26 minutes, 24 seconds.
• To count from 1 to 16,821,408,384 would take you about one thousand and sixty-nine 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 16821408384 cubic inches would be around 213.5 feet tall.

Recreational maths with 16821408384

• 16821408384 backwards is 48380412861
• The number of decimal digits it has is: 11
• The sum of 16821408384's digits is 45
• More coming soon!