21490626 is an even 8-digits composite number following 21490625
and preceding 21490627 . In scientific notation, it is written as 2.1490626 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6768720 positive integers (up to 21490626) that are relatively prime to 21490626.
21490626 has 16 divisors, whose sum is 43029504
The reverse of 21490626 is 62609412
Previous prime number is 1333
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety thousand six hundred twenty-six
Scientific notation
2.1490626 × 10^7
Engineering notation
2.1490626 × 10^6
Prime Factorization
2 × 3 × 1333 × 2687
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21490626
Product of the distinct prime numbers
The prime factorization of 21490626 is 2 × 3 × 1333 × 2687.
Since it has a total of 4 prime factors.
3 , 8 , 20 , 68 , 662 , 918 , 8085 , 6318 , 2792 , 38778 , 887018 , 275888 , 3782458 , 2477088 , 43067183 , 42451152 , 508485341 , 684497018 , 6402009776 , 5948271491
n×2
42981252
n×3
64471878
n×4
85962504
n×5
107453130
n÷2
10745313
n÷3
7163542
n÷3
5372656.5
n÷5
4298125.2
n2
461847005871876
n3
9.9253812724123E+21
n4
2.1330265683282E+29
n5
4.5840076228004E+36
2 √n
4635.798313128
3 √n
278.02447035431
4 √n
68.086697034942
5 √n
29.27182588737
1 , 2 , 3 , 6 , 1333 , 2666 , 2687 , 3999 , 5374 , 7998 , 8061 , 16122 , 3581771 , 7163542 , 10745313 , 21490626
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21490625
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490626 can be divided by 16 positive divisors.
The sum of these divisors (counting 21490626) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111110101111000010
3
Ternary
1111102211121010
4
Quaternary
1101332233002
5
Quinary
21000200001
6
Senary
2044341350
8
Octal
121765702
10
Decimal
21490626
12
Duodecimal
7244856
16
Hexadecimal
147ebc2
20
Vigesimal
6e66b6
36
Base36
csm9u
md5
a9eecfbb0ccc16455b70804a19df5e69
sha1
7e822bbde271e6e6d2e90acc1a7fce48c0c7fa3e
sha256
3de64f0f1e6a6c304a4c5228cb39f4c7387d41cff122361d69f13527314d46a3
sha512
d4562b4b8a552cb1b5a7e726314e5108a3956e4d03484d887dad4dae449b7434c1fdec2d4cbb1e8833404adf4c4a4e77610404deeda4195dddd5af995807b689
ripemd-160
4a6cf6584cff2414f30d80ee7361b908f3c22568
Diameter
42981252
Circumference
135029585.52529
Area
1.4509351607295E+15
Volume
4.1575339852651E+22
Surface area
5.8037406429181E+15
Circumference
135029585.52529
Perimeter
85962504
Area
461847005871876
Diagonal
30392334.753088
Surface area
2771082035231256
Volume
9.9253812724123E+21
Space diagonal
37222856.118461
Perimeter
64471878
Area
1.9998561987341E+14
Altitude
18611428.05923
Surface area
1.9998561987341E+14
Volume
1.1697174005974E+21
Height
10130778.251029