21359102464

Names of 21359102464

• Cardinal: 21359102464 can be written as Twenty-one billion, three hundred fifty-nine million, one hundred two thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1359102464 × 10¹⁰

Factors of 21359102464

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 350589

Divisors of 21359102464

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 128 136 224 238 256 272 448 476 512 544 896 952 1088 1792 1904 2176 3584 3808 4352 7616 8704 15232 30464 60928 350563 701126 1402252 2453941 2804504 4907882 5609008 5959571 9815764 11218016 11919142 19631528 22436032 23838284 39263056 41716997 44872064 47676568 78526112 83433994 89744128 95353136 157052224 166867988 179488256 190706272 314104448 333735976 381412544 628208896 667471952 762825088 1256417792 1334943904 1525650176 2669887808 3051300352 5339775616 10679551232 21359102464
• Sum of all divisors σ(n): 51642283968
• Sum of proper divisors (its aliquot sum) s(n): 30283181504
• 21359102464 is an abundant number, because the sum of its proper divisors (30283181504) is greater than itself. Its abundance is 8924079040

Bases of 21359102464

• Binary: 10011111001000110100000101000000000₂
• Hexadecimal: 0x4F91A0A00
• Base-36: 9T8NOXS

Squares and roots of 21359102464

• 21359102464 squared (21359102464²) is 456211258067650871296
• 21359102464 cubed (21359102464³) is 9744263006297301603790140473344
• The square root of 21359102464 is 146147.5366333623
• The cube root of 21359102464 is 2774.5613553999

Scales and comparisons

• 21,359,102,464 seconds is equal to 679 years, 7 weeks, 6 days, 20 hours, 1 minute, 4 seconds.
• To count from 1 to 21,359,102,464 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 21359102464 cubic inches would be around 231.2 feet tall.

Recreational maths with 21359102464

• 21359102464 backwards is 46420195312
• The number of decimal digits it has is: 11
• The sum of 21359102464's digits is 37
• More coming soon!