21527814408

Names of 21527814408

• Cardinal: 21527814408 can be written as Twenty-one billion, five hundred twenty-seven million, eight hundred fourteen thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.1527814408 × 10¹⁰

Factors of 21527814408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 126370

Divisors of 21527814408

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 419 838 1257 1676 2514 3352 5028 7123 10056 14246 21369 28492 42738 56984 85476 125929 170952 251858 377787 503716 755574 1007432 1511148 2140793 3022296 4281586 6422379 8563172 12844758 17126344 25689516 51379032 52764251 105528502 158292753 211057004 316585506 422114008 633171012 896992267 1266342024 1793984534 2690976801 3587969068 5381953602 7175938136 10763907204 21527814408
• Sum of all divisors σ(n): 57121848000
• Sum of proper divisors (its aliquot sum) s(n): 35594033592
• 21527814408 is an abundant number, because the sum of its proper divisors (35594033592) is greater than itself. Its abundance is 14066219184

Bases of 21527814408

• Binary: 10100000011001010000110000100001000₂
• Hexadecimal: 0x503286108
• Base-36: 9W13RWO

Squares and roots of 21527814408

• 21527814408 squared (21527814408²) is 463446793185292390464
• 21527814408 cubed (21527814408³) is 9976996551675733737123661005312
• The square root of 21527814408 is 146723.5986745145
• The cube root of 21527814408 is 2781.8474689065

Scales and comparisons

• 21,527,814,408 seconds is equal to 684 years, 26 weeks, 6 days, 12 hours, 26 minutes, 48 seconds.
• To count from 1 to 21,527,814,408 would take you about one thousand, three hundred 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 21527814408 cubic inches would be around 231.8 feet tall.

Recreational maths with 21527814408

• 21527814408 backwards is 80441872512
• The number of decimal digits it has is: 11
• The sum of 21527814408's digits is 42
• More coming soon!