21131849 is an odd 8-digits composite number following 21131848
and preceding 21131850 . In scientific notation, it is written as 2.1131849 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 21121920 positive integers (up to 21131849) that are relatively prime to 21131849.
21131849 has 4 divisors, whose sum is 21141780
The reverse of 21131849 is 94813112
Previous prime number is 6841
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million one hundred thirty-one thousand eight hundred forty-nine
Scientific notation
2.1131849 × 10^7
Engineering notation
2.1131849 × 10^6
Prime Factorization
6841 × 3089
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21131849
Product of the distinct prime numbers
The prime factorization of 21131849 is 6841 × 3089.
Since it has a total of 2 prime factors.
1 , 4 , 28 , 45 , 125 , 961 , 2660 , 1566 , 11974 , 69555 , 307731 , 574618 , 3657018 , 5114889 , 44301544 , 64488151 , 940357410 , 402443512 , 1212689973 , 6895841166
n×2
42263698
n×3
63395547
n×4
84527396
n×5
105659245
n÷2
10565924.5
n÷3
7043949.6666667
n÷3
5282962.25
n÷5
4226369.8
n2
446555042158801
n3
9.4365337210884E+21
n4
1.9941140567745E+29
n5
4.2139317136536E+36
2 √n
4596.9390903078
3 √n
276.46861246868
4 √n
67.800730750544
5 √n
29.173430431986
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131848
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131849 can be divided by 4 positive divisors.
The sum of these divisors (counting 21131849) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100111001001001001
3
Ternary
1110202121110002
4
Quaternary
1100213021021
5
Quinary
20402204344
6
Senary
2032532345
8
Octal
120471111
10
Decimal
21131849
12
Duodecimal
70b10b5
16
Hexadecimal
1427249
20
Vigesimal
6c19c9
36
Base36
ckxft
md5
b29a5f71681036898a27fe5cee660857
sha1
f36ccf9ad8d857c5a06881d3b0f299fd1bebd18b
sha256
e9041537d0486466046da1a0508c14500c21968c93eb378bec0313a3fd9efc88
sha512
42415383cc11edff2ae39eb7fb77f9fbb260a9d12eb9b0eb916d413115fa73849f94d399610d680290db5b529bb562a5a232b1adb34f07e8bfe0454c752d2b43
ripemd-160
e24cda24cee3954a09da243358df8cf8b016f18d
Diameter
42263698
Circumference
132775323.15034
Area
1.4028940398696E+15
Volume
3.9527660018032E+22
Surface area
5.6115761594783E+15
Circumference
132775323.15034
Perimeter
84527396
Area
446555042158801
Diagonal
29884947.45382
Surface area
2679330252952806
Volume
9.4365337210884E+21
Space diagonal
36601436.125874
Perimeter
63395547
Area
1.9336400534878E+14
Altitude
18300718.062937
Surface area
1.9336400534878E+14
Volume
1.1121061641795E+21
Height
9961649.1512734