21690626 is an even 8-digits composite number following 21690625
and preceding 21690627 . In scientific notation, it is written as 2.1690626 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10845312 positive integers (up to 21690626) that are relatively prime to 21690626.
21690626 has 4 divisors, whose sum is 32535942
The reverse of 21690626 is 62609612
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million six hundred ninety thousand six hundred twenty-six
Scientific notation
2.1690626 × 10^7
Engineering notation
2.1690626 × 10^6
Prime Factorization
2 × 10845313
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21690626
Product of the distinct prime numbers
The prime factorization of 21690626 is 2 × 10845313.
Since it has a total of 2 prime factors.
7 , 10 , 18 , 39 , 402 , 503 , 3104 , 6643 , 32520 , 66905 , 864685 , 501125 , 5368967 , 2642681 , 93895664 , 61262125 , 143607485 , 277291762 , 8496189182 , 9633231733
n×2
43381252
n×3
65071878
n×4
86762504
n×5
108453130
n÷2
10845313
n÷3
7230208.6666667
n÷3
5422656.5
n÷5
4338125.2
n2
470483256271876
n3
1.0205076351055E+22
n4
2.2135449443219E+29
n5
4.8013175521477E+36
2 √n
4657.3196154011
3 √n
278.88427603455
4 √n
68.244557404976
5 √n
29.326107162318
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
-21690625
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 21690626 can be divided by 4 positive divisors.
The sum of these divisors (counting 21690626) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010101111100100000010
3
Ternary
1111210222221112
4
Quaternary
1102233210002
5
Quinary
21023100001
6
Senary
2052523322
8
Octal
122574402
10
Decimal
21690626
12
Duodecimal
7320542
16
Hexadecimal
14af902
20
Vigesimal
6fb6b6
36
Base36
cwwle
md5
087eb269658d264e733936bbdc81ab27
sha1
0d98d117b867dad5e50c0d68625e82a0d5337e95
sha256
46466ac8c64e7b34581874a5c5c66b78d1cff4d1732cf4af16fc73739b988d5c
sha512
fd07f00483a381341bacd5ad440cf94162b41c0677d04fbf61ab0b75cf5a8f02a57e8d0462700744f9b2fccec6022dd3115aa21a81922bed4e575e1318d57a74
ripemd-160
89a356c997a7f5a7ed42f6e284af80bed525b022
Diameter
43381252
Circumference
136286222.58673
Area
1.4780667415407E+15
Volume
4.2746923858398E+22
Surface area
5.9122669661629E+15
Circumference
136286222.58673
Perimeter
86762504
Area
470483256271876
Diagonal
30675177.465562
Surface area
2822899537631256
Volume
1.0205076351055E+22
Space diagonal
37569266.279974
Perimeter
65071878
Area
2.0372522599333E+14
Altitude
18784633.139987
Surface area
2.0372522599333E+14
Volume
1.2026797817263E+21
Height
10225059.155187