21523747048

Names of 21523747048

• Cardinal: 21523747048 can be written as Twenty-one billion, five hundred twenty-three million, seven hundred forty-seven thousand and forty-eight.

Scientific notation

• Scientific notation: 2.1523747048 × 10¹⁰

Factors of 21523747048

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2221

Divisors of 21523747048

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 19 38 59 76 118 152 236 361 472 722 1121 1444 2141 2242 2888 3481 4282 4484 6962 8564 8968 13924 17128 21299 27848 40679 42598 66139 81358 85196 126319 132278 162716 170392 252638 264556 325432 505276 529112 772901 1010552 1256641 1545802 2400061 2513282 3091604 4800122 5026564 6183208 7452821 9600244 10053128 14905642 19200488 29811284 45601159 59622568 91202318 141603599 182404636 283207198 364809272 566414396 1132828792 2690468381 5380936762 10761873524 21523747048
• Sum of all divisors σ(n): 43347257730
• Sum of proper divisors (its aliquot sum) s(n): 21823510682
• 21523747048 is an abundant number, because the sum of its proper divisors (21823510682) is greater than itself. Its abundance is 299763634

Bases of 21523747048

• Binary: 10100000010111010100101000011101000₂
• Hexadecimal: 0x502EA50E8
• Base-36: 9VYOLIG

Squares and roots of 21523747048

• 21523747048 squared (21523747048²) is 463271686986288714304
• 21523747048 cubed (21523747048³) is 9971342605193111730976435374592
• The square root of 21523747048 is 146709.7374000785
• The cube root of 21523747048 is 2781.6722616521

Scales and comparisons

• 21,523,747,048 seconds is equal to 684 years, 20 weeks, 1 day, 10 hours, 37 minutes, 28 seconds.
• To count from 1 to 21,523,747,048 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 21523747048 cubic inches would be around 231.8 feet tall.

Recreational maths with 21523747048

• 21523747048 backwards is 84074732512
• The number of decimal digits it has is: 11
• The sum of 21523747048's digits is 43
• More coming soon!