21138082 is an even 8-digits composite number following 21138081
and preceding 21138083 . In scientific notation, it is written as 2.1138082 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 9059172 positive integers (up to 21138082) that are relatively prime to 21138082.
21138082 has 8 divisors, whose sum is 36236736
The reverse of 21138082 is 28083112
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred thirty-eight thousand eighty-two
Scientific notation
2.1138082 × 10^7
Engineering notation
2.1138082 × 10^6
Prime Factorization
2 × 7 × 1509863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21138082
Product of the distinct prime numbers
The prime factorization of 21138082 is 2 × 7 × 1509863.
Since it has a total of 3 prime factors.
10 , 8 , 74 , 45 , 865 , 970 , 5437 , 9224 , 59970 , 4851 , 706421 , 881468 , 8103504 , 5717618 , 98260436 , 91664795 , 993929782 , 462965015 , 524076664 , 6322935344
n×2
42276164
n×3
63414246
n×4
84552328
n×5
105690410
n÷2
10569041
n÷3
7046027.3333333
n÷3
5284520.5
n÷5
4227616.4
n2
446818510638724
n3
9.4448863169992E+21
n4
1.9964678144941E+29
n5
4.2201500373137E+36
2 √n
4597.6169914424
3 √n
276.49579197173
4 √n
67.805729783274
5 √n
29.175151214127
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21138081
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21138082 can be divided by 8 positive divisors.
The sum of these divisors (counting 21138082) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000101000101010100010
3
Ternary
1110202220222221
4
Quaternary
1100220222202
5
Quinary
20402404312
6
Senary
2033021254
8
Octal
120505242
10
Decimal
21138082
12
Duodecimal
70b482a
16
Hexadecimal
1428aa2
20
Vigesimal
6c2542
36
Base36
cl28y
md5
1bb31b3223ab2623f081b5c8e852c095
sha1
1ac956a6a495d590611af02f0bbfbbc9e8ac405f
sha256
d1f34dd37fb4505eaabfb7f8d11d82839d9fa5795af50b7bd5946214aca47d34
sha512
4ba2052c4d9d0776417866cf50b9730af15a1dfe0afeac1242875e219cb199b98aa243518761744dd86da8a5f7ecb86400e7447518d3bbbc6546d03c8e97b8a2
ripemd-160
9ecb6d1deb7f405caf2708a1cfecdacbd13c2b07
Diameter
42276164
Circumference
132814486.24436
Area
1.4037217505105E+15
Volume
3.9562647289967E+22
Surface area
5.6148870020422E+15
Circumference
132814486.24436
Perimeter
84552328
Area
446818510638724
Diagonal
29893762.246955
Surface area
2680911063832344
Volume
9.4448863169992E+21
Space diagonal
36612231.998557
Perimeter
63414246
Area
1.9347809054713E+14
Altitude
18306115.999279
Surface area
1.9347809054713E+14
Volume
1.1130905270477E+21
Height
9964587.4156515