21025838 is an even 8-digits composite number following 21025837
and preceding 21025839 . In scientific notation, it is written as 2.1025838 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 9894496 positive integers (up to 21025838) that are relatively prime to 21025838.
21025838 has 8 divisors, whose sum is 33394032
The reverse of 21025838 is 83852012
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million twenty-five thousand eight hundred thirty-eight
Scientific notation
2.1025838 × 10^7
Engineering notation
2.1025838 × 10^6
Prime Factorization
2 × 17 × 618407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21025838
Product of the distinct prime numbers
The prime factorization of 21025838 is 2 × 17 × 618407.
Since it has a total of 3 prime factors.
8 , 10 , 23 , 35 , 551 , 403 , 4841 , 7567 , 79784 , 21054 , 414535 , 927548 , 4847253 , 5484441 , 91329583 , 8493866 , 656720050 , 474891991 , 8563736017 , 8306009783
n×2
42051676
n×3
63077514
n×4
84103352
n×5
105129190
n÷2
10512919
n÷3
7008612.6666667
n÷3
5256459.5
n÷5
4205167.6
n2
442085863602244
n3
9.2952257501909E+21
n4
1.9543991079694E+29
n5
4.109287903151E+36
2 √n
4585.3939852536
3 √n
276.00552218875
4 √n
67.715537251458
5 √n
29.144100965543
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21025837
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21025838 can be divided by 8 positive divisors.
The sum of these divisors (counting 21025838) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001101010000101110
3
Ternary
1110120020000202
4
Quaternary
1100031100232
5
Quinary
20340311323
6
Senary
2030353502
8
Octal
120152056
10
Decimal
21025838
12
Duodecimal
705b892
16
Hexadecimal
140d42e
20
Vigesimal
6b84bi
36
Base36
cinn2
md5
29534476db0df348030dc2548e3ce9a4
sha1
7690a3daa7c16535c69dfbc45a30a50040727c15
sha256
43b38f2e655f3f29b29a21607838ebe964b3acaf157669f838d858106ad60c70
sha512
e42aec880e6156bd67d7a5aa4eac4a289a2e8e2595ba9be83a90bb19f84191980c1d79e7bc359991c64823996e8bd85fa4ce20bd8e4656cfa4d53565bdf9d7a9
ripemd-160
535ea4fe16c29a95e07d565faadc9dec33a549fa
Diameter
42051676
Circumference
132109236.39274
Area
1.3888537013487E+15
Volume
3.8935750573678E+22
Surface area
5.5554148053948E+15
Circumference
132109236.39274
Perimeter
84103352
Area
442085863602244
Diagonal
29735025.25986
Surface area
2652515181613464
Volume
9.2952257501909E+21
Space diagonal
36417819.687712
Perimeter
63077514
Area
1.9142879426676E+14
Altitude
18208909.843856
Surface area
1.9142879426676E+14
Volume
1.0954528601033E+21
Height
9911675.0866199