21032906 is an even 8-digits composite number following 21032905
and preceding 21032907 . In scientific notation, it is written as 2.1032906 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 10372320 positive integers (up to 21032906) that are relatively prime to 21032906.
21032906 has 8 divisors, whose sum is 31981764
The reverse of 21032906 is 60923012
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million thirty-two thousand nine hundred six
Scientific notation
2.1032906 × 10^7
Engineering notation
2.1032906 × 10^6
Prime Factorization
2 × 73 × 144061
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21032906
Product of the distinct prime numbers
The prime factorization of 21032906 is 2 × 73 × 144061.
Since it has a total of 3 prime factors.
2 , 1 , 99 , 91 , 435 , 489 , 3285 , 2029 , 50249 , 93653 , 478971 , 192680 , 8348117 , 8966043 , 35701972 , 61133387 , 197310933 , 141732457 , 4034512043 , 2597000085
n×2
42065812
n×3
63098718
n×4
84131624
n×5
105164530
n÷2
10516453
n÷3
7010968.6666667
n÷3
5258226.5
n÷5
4206581.2
n2
442383134804836
n3
9.3046028903354E+21
n4
1.9570283795975E+29
n5
4.1161993947407E+36
2 √n
4586.1646285322
3 √n
276.03644586273
4 √n
67.721227311178
5 √n
29.146060105656
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
-21032905
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 21032906 can be divided by 8 positive divisors.
The sum of these divisors (counting 21032906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110111111001010
3
Ternary
1110120120201112
4
Quaternary
1100032333022
5
Quinary
20341023111
6
Senary
2030450322
8
Octal
120167712
10
Decimal
21032906
12
Duodecimal
70639a2
16
Hexadecimal
140efca
20
Vigesimal
6b9256
36
Base36
cit3e
md5
5a383f425073244a72713e532ef2ddf9
sha1
07b8ae688fe182f0d62868e0728af69b40031985
sha256
10fdff7871d1b51bf6fe15f8e4bc0eab9fbd213e4ba93df6765cd076dd7b3e0c
sha512
69d323c1b2ee67b4617ae78a8d638675f292b12d60e27aa9f3c352d5ec19314ca6459d4befd4c6560755c2d29fbd705a1f0e8c68c7a4b5afbf0f0cfc36533c62
ripemd-160
f6939f57e84e72dbbfbe43cbea6267a3011d75c4
Diameter
42065812
Circumference
132153645.94649
Area
1.3897876063749E+15
Volume
3.8975029446464E+22
Surface area
5.5591504254996E+15
Circumference
132153645.94649
Perimeter
84131624
Area
442383134804836
Diagonal
29745020.921318
Surface area
2654298808829016
Volume
9.3046028903354E+21
Space diagonal
36430061.82282
Perimeter
63098718
Area
1.9155751647339E+14
Altitude
18215030.91141
Surface area
1.9155751647339E+14
Volume
1.0965579666674E+21
Height
9915006.9737728