21123071 is an odd 8-digits composite number following 21123070
and preceding 21123072 . In scientific notation, it is written as 2.1123071 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 20968752 positive integers (up to 21123071) that are relatively prime to 21123071.
21123071 has 4 divisors, whose sum is 21277392
The reverse of 21123071 is 17032112
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million one hundred twenty-three thousand seventy-one
Scientific notation
2.1123071 × 10^7
Engineering notation
2.1123071 × 10^6
Prime Factorization
137 × 154183
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21123071
Product of the distinct prime numbers
The prime factorization of 21123071 is 137 × 154183.
Since it has a total of 2 prime factors.
2 , 2 , 7 , 97 , 79 , 794 , 7693 , 3669 , 48266 , 60998 , 370452 , 175348 , 9814894 , 4571825 , 46862079 , 86169352 , 106103066 , 224983404 , 1089317256 , 1288191377
n×2
42246142
n×3
63369213
n×4
84492284
n×5
105615355
n÷2
10561535.5
n÷3
7041023.6666667
n÷3
5280767.75
n÷5
4224614.2
n2
446184128471041
n3
9.4247790247669E+21
n4
1.9908027649946E+29
n5
4.2051868151978E+36
2 √n
4595.9842253863
3 √n
276.43032622142
4 √n
67.793688684024
5 √n
29.171006347533
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
-21123070
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 21123071 can be divided by 4 positive divisors.
The sum of these divisors (counting 21123071) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100100111111111111
3
Ternary
1110202011101222
4
Quaternary
1100210333333
5
Quinary
20401414241
6
Senary
2032423555
8
Octal
120447777
10
Decimal
21123071
12
Duodecimal
70a7bbb
16
Hexadecimal
1424fff
20
Vigesimal
6c07db
36
Base36
ckqnz
md5
8e6b4f5728b6d1fe3697cda35364f916
sha1
04ff77646de5a2c8cb1b3c61bef8868ba74718d7
sha256
0a158b69e1ed9c1faae4ebc3cbea06fdb616b82c283f2e630621cc18c70d270b
sha512
8eef3d5e590305a45ce95a0b630b942a910c3dbc6c008586602e40f9bcf505263d33fdd081bff7b5ebee1c83044322e5904f73392ba2549bf292c68b78529477
ripemd-160
661e3c3165d004cdf2b57dbd0c5d5017dc42cc0b
Diameter
42246142
Circumference
132720169.34971
Area
1.401728780153E+15
Volume
3.947842206122E+22
Surface area
5.6069151206119E+15
Circumference
132720169.34971
Perimeter
84492284
Area
446184128471041
Diagonal
29872533.48717
Surface area
2677104770826246
Volume
9.4247790247669E+21
Space diagonal
36586232.183885
Perimeter
63369213
Area
1.9320339501067E+14
Altitude
18293116.091942
Surface area
1.9320339501067E+14
Volume
1.1107208599329E+21
Height
9957511.1623899