21587764 is an even 8-digits composite number following 21587763
and preceding 21587765 . In scientific notation, it is written as 2.1587764 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 9812600 positive integers (up to 21587764) that are relatively prime to 21587764.
21587764 has 12 divisors, whose sum is 41213088
The reverse of 21587764 is 46778512
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million five hundred eighty-seven thousand seven hundred sixty-four
Scientific notation
2.1587764 × 10^7
Engineering notation
2.1587764 × 10^6
Prime Factorization
2 × 2 × 11 × 490631
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10793882
Product of the distinct prime numbers
The prime factorization of 21587764 is 2 × 2 × 11 × 490631.
Since it has a total of 4 prime factors.
10 , 8 , 17 , 34 , 835 , 465 , 3105 , 267 , 49532 , 9479 , 266519 , 988597 , 2255681 , 5238705 , 61849104 , 45624834 , 888065659 , 394241025 , 2989963967 , 5258176082
n×2
43175528
n×3
64763292
n×4
86351056
n×5
107938820
n÷2
10793882
n÷3
7195921.3333333
n÷3
5396941
n÷5
4317552.8
n2
466031554519696
n3
1.0060579215524E+22
n4
2.1718540980804E+29
n5
4.6885473711793E+36
2 √n
4646.2634449631
3 √n
278.44273260132
4 √n
68.163505227967
5 √n
29.298240005065
1 , 2 , 4 , 11 , 22 , 44 , 490631 , 981262 , 1962524 , 5396941 , 10793882 , 21587764
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21587763
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21587764 can be divided by 12 positive divisors.
The sum of these divisors (counting 21587764) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010010110011100110100
3
Ternary
1111121202211211
4
Quaternary
1102112130310
5
Quinary
21011302024
6
Senary
2050411204
8
Octal
122263464
10
Decimal
21587764
12
Duodecimal
7290b04
16
Hexadecimal
1496734
20
Vigesimal
6ei984
36
Base36
cup84
md5
aed7d4a9793da1a4082dd5ace25fe881
sha1
9bba8069ecd0f07d41667bc392caf08d166ad45d
sha256
739dac20154635f060e2908e83138213e484f68ca5700c65374a87e7e486831a
sha512
58be2a55352877afabb9724328039212c5453d67abe9fa312e3b54dd8cda3b286607b9e34dc9e8f39af528c59e1ea7b8fdf8e5bf7897302e66cfc00ac86855ce
ripemd-160
6d1c7391d6125a212a1f771d76d1b187c746b3ce
Diameter
43175528
Circumference
135639921.57966
Area
1.4640813080201E+15
Volume
4.2141655672466E+22
Surface area
5.8563252320804E+15
Circumference
135639921.57966
Perimeter
86351056
Area
466031554519696
Diagonal
30529708.63011
Surface area
2796189327118176
Volume
1.0060579215524E+22
Space diagonal
37391104.069806
Perimeter
64763292
Area
2.017975825896E+14
Altitude
18695552.034903
Surface area
2.017975825896E+14
Volume
1.1856506309936E+21
Height
10176569.54337