21131844 is an even 8-digits composite number following 21131843
and preceding 21131845 . In scientific notation, it is written as 2.1131844 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 7013760 positive integers (up to 21131844) that are relatively prime to 21131844.
21131844 has 24 divisors, whose sum is 49519008
The reverse of 21131844 is 44813112
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million one hundred thirty-one thousand eight hundred forty-four
Scientific notation
2.1131844 × 10^7
Engineering notation
2.1131844 × 10^6
Prime Factorization
2 × 2 × 3 × 241 × 7307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10565922
Product of the distinct prime numbers
The prime factorization of 21131844 is 2 × 2 × 3 × 241 × 7307.
Since it has a total of 5 prime factors.
5 , 2 , 68 , 87 , 853 , 606 , 910 , 9662 , 19314 , 48691 , 115750 , 732324 , 111283 , 6106837 , 8912333 , 80466265 , 106332448 , 81793877 , 2906269721 , 2271119107
n×2
42263688
n×3
63395532
n×4
84527376
n×5
105659220
n÷2
10565922
n÷3
7043948
n÷3
5282961
n÷5
4226368.8
n2
446554830840336
n3
9.4365270227644E+21
n4
1.9941121694684E+29
n5
4.2139267283708E+36
2 √n
4596.9385464676
3 √n
276.46859066363
4 √n
67.800726739967
5 √n
29.173429051442
1 , 2 , 3 , 4 , 6 , 12 , 241 , 482 , 723 , 964 , 1446 , 2892 , 7307 , 14614 , 21921 , 29228 , 43842 , 87684 , 1760987 , 3521974 , 5282961 , 7043948 , 10565922 , 21131844
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131843
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131844 can be divided by 24 positive divisors.
The sum of these divisors (counting 21131844) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100111001001000100
3
Ternary
1110202121102220
4
Quaternary
1100213021010
5
Quinary
20402204334
6
Senary
2032532340
8
Octal
120471104
10
Decimal
21131844
12
Duodecimal
70b10b0
16
Hexadecimal
1427244
20
Vigesimal
6c19c4
36
Base36
ckxfo
md5
3b170e6342ac73df61f3ab063ec98313
sha1
03df411634cb0852206044fccc58ee5571c4bea8
sha256
e9e056a2a8f49587a3a1a1de3c1376081a3dbf7871e455bd7d87f4a4c886f764
sha512
82c93de44c1897370dd337e56aa49214ada912018a1f131ed4ff317083c2f4cc2c8814bffe5481856a77f6c9959f9a55188f7db96c28001b12a14a226e35421f
ripemd-160
bd8df2827c4e9916af72fe485733950c97d9598f
Diameter
42263688
Circumference
132775291.73441
Area
1.402893375993E+15
Volume
3.9527631960157E+22
Surface area
5.6115735039721E+15
Circumference
132775291.73441
Perimeter
84527376
Area
446554830840336
Diagonal
29884940.382753
Surface area
2679328985042016
Volume
9.4365270227644E+21
Space diagonal
36601427.46562
Perimeter
63395532
Area
1.933639138452E+14
Altitude
18300713.73281
Surface area
1.933639138452E+14
Volume
1.1121053747745E+21
Height
9961646.7942508