21131244 is an even 8-digits composite number following 21131243
and preceding 21131245 . In scientific notation, it is written as 2.1131244 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 7043736 positive integers (up to 21131244) that are relatively prime to 21131244.
21131244 has 12 divisors, whose sum is 41088600
The reverse of 21131244 is 44213112
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million one hundred thirty-one thousand two hundred forty-four
Scientific notation
2.1131244 × 10^7
Engineering notation
2.1131244 × 10^6
Prime Factorization
2 × 2 × 9 × 586979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10565622
Product of the distinct prime numbers
The prime factorization of 21131244 is 2 × 2 × 9 × 586979.
Since it has a total of 4 prime factors.
2 , 1 , 4 , 23 , 673 , 368 , 2696 , 5103 , 53988 , 91578 , 115278 , 670472 , 2452857 , 6183520 , 65495461 , 33972822 , 829140384 , 930222125 , 8732394747 , 538546147
n×2
42262488
n×3
63393732
n×4
84524976
n×5
105656220
n÷2
10565622
n÷3
7043748
n÷3
5282811
n÷5
4226248.8
n2
446529472987536
n3
9.435723246891E+21
n4
1.9938857024653E+29
n5
4.2133285286905E+36
2 √n
4596.8732851798
3 √n
276.46597403247
4 √n
67.800245465484
5 √n
29.173263384346
1 , 2 , 4 , 9 , 18 , 36 , 586979 , 1173958 , 2347916 , 5282811 , 10565622 , 21131244
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
-21131243
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 21131244 can be divided by 12 positive divisors.
The sum of these divisors (counting 21131244) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100110111111101100
3
Ternary
1110202120121200
4
Quaternary
1100212333230
5
Quinary
20402144434
6
Senary
2032525500
8
Octal
120467754
10
Decimal
21131244
12
Duodecimal
70b0890
16
Hexadecimal
1426fec
20
Vigesimal
6c1824
36
Base36
ckwz0
md5
c5a6012f3173a2c8dff723ccdc4a32ef
sha1
76dc799ed69b06510e3e8ab824bd41e391094a3b
sha256
da7fc2a27ffe9daca8a200025be52da3a9aeba12d17ef4a2e4a16fb506d5334d
sha512
4fc29400d02781d8687e5b9d1fed7c7264e6e2daec42f11c90b102f1008fc9f50a37a476b086c31ff24445eedf536bfc52698015ae31a0a5e696c6cca07bc049
ripemd-160
de87c02a769e006dd51e8852d05136aa3a25aaf8
Diameter
42262488
Circumference
132771521.82323
Area
1.402813711949E+15
Volume
3.9524265111652E+22
Surface area
5.6112548477959E+15
Circumference
132771521.82323
Perimeter
84524976
Area
446529472987536
Diagonal
29884091.854615
Surface area
2679176837925216
Volume
9.435723246891E+21
Space diagonal
36600388.235135
Perimeter
63393732
Area
1.9335293357284E+14
Altitude
18300194.117567
Surface area
1.9335293357284E+14
Volume
1.1120106488794E+21
Height
9961363.9515384