21031724 is an even 8-digits composite number following 21031723
and preceding 21031725 . In scientific notation, it is written as 2.1031724 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 9013584 positive integers (up to 21031724) that are relatively prime to 21031724.
21031724 has 12 divisors, whose sum is 42063504
The reverse of 21031724 is 42713012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million thirty-one thousand seven hundred twenty-four
Scientific notation
2.1031724 × 10^7
Engineering notation
2.1031724 × 10^6
Prime Factorization
2 × 2 × 7 × 751133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10515862
Product of the distinct prime numbers
The prime factorization of 21031724 is 2 × 2 × 7 × 751133.
Since it has a total of 4 prime factors.
10 , 1 , 100 , 57 , 739 , 982 , 3711 , 7352 , 10901 , 11891 , 556781 , 247023 , 7290439 , 1168031 , 43209056 , 31494259 , 886111732 , 983637836 , 8534677407 , 2940042165
n×2
42063448
n×3
63095172
n×4
84126896
n×5
105158620
n÷2
10515862
n÷3
7010574.6666667
n÷3
5257931
n÷5
4206344.8
n2
442333414412176
n3
9.3030342878945E+21
n4
1.9565884950553E+29
n5
4.1150429209579E+36
2 √n
4586.0357608723
3 √n
276.03127489886
4 √n
67.72027584758
5 √n
29.145732510244
1 , 2 , 4 , 7 , 14 , 28 , 751133 , 1502266 , 3004532 , 5257931 , 10515862 , 21031724
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
-21031723
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 21031724 can be divided by 12 positive divisors.
The sum of these divisors (counting 21031724) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000001110101100101100
3
Ternary
1110120112002202
4
Quaternary
1100032230230
5
Quinary
20341003344
6
Senary
2030441032
8
Octal
120165454
10
Decimal
21031724
12
Duodecimal
7063178
16
Hexadecimal
140eb2c
20
Vigesimal
6b8j64
36
Base36
cis6k
md5
a35e09d181313a010153f52ef83996f6
sha1
4505db6da046961b3fd2c1ec88d925bab964b20d
sha256
f25cd209318939ef4fb4771f2c43a5716c707cb43921e7c546ee811b7a88422c
sha512
4bb403588e6845ed9fa5aba7ccd2bb0d93d63c7332e6ec4162f1d9e557bb2125adbb308b21364cb6613599d6b94aa423d843b364e9c0917f22f1bc68a6b8a7d9
ripemd-160
ce68300c8c82e1a5529bd0f6c8941e5b3a5db552
Diameter
42063448
Circumference
132146219.22146
Area
1.3896314051546E+15
Volume
3.8968458899924E+22
Surface area
5.5585256206183E+15
Circumference
132146219.22146
Perimeter
84126896
Area
442333414412176
Diagonal
29743349.320888
Surface area
2654000486473056
Volume
9.3030342878945E+21
Space diagonal
36428014.538766
Perimeter
63095172
Area
1.9153598691183E+14
Altitude
18214007.269383
Surface area
1.9153598691183E+14
Volume
1.0963731050969E+21
Height
9914449.7736292