Number 20640

Representations of 20640
β
Μ
χμ
२०६४०
٢٠٦٤٠
XXDCXL
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二万零六百四十
כ׳ תרמ
20640 in different numeral systems
Binary
101000010100000
Base-3
1001022110
Base-4
11002200
Base-5
1130030
Base-6
235320
Base-7
114114
Base-8
50240
Duodecimal
bb40
Hex
50a0
Vigesimal
2bc0
Base-24
1bk0
Base-36
fxc
Negabinary
101000111100000
Factorization
Prime factors
2, 3, 5, 43
Divisors
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1720, 2064, 2580, 3440, 4128, 5160, 6880, 10320, 20640
Sum of divisors other than 20640
45888
Product of prime factors
20640 = 2 x 2 x 2 x 2 x 2 x 3 x 5 x 43
Characteristics
Difference of 2 squares Harshad Even Composite Abundant
Related primes
Prime number before 20640
20639
Prime number after 20640
20641