21124906 is an even 8-digits composite number following 21124905
and preceding 21124907 . In scientific notation, it is written as 2.1124906 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 9602120 positive integers (up to 21124906) that are relatively prime to 21124906.
21124906 has 8 divisors, whose sum is 31949604
The reverse of 21124906 is 60942112
Previous prime number is 121
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million one hundred twenty-four thousand nine hundred six
Scientific notation
2.1124906 × 10^7
Engineering notation
2.1124906 × 10^6
Prime Factorization
2 × 121 × 87293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21124906
Product of the distinct prime numbers
The prime factorization of 21124906 is 2 × 121 × 87293.
Since it has a total of 3 prime factors.
3 , 7 , 56 , 26 , 862 , 216 , 8992 , 6225 , 13472 , 26845 , 880983 , 272735 , 2772132 , 949010 , 82121263 , 25072950 , 394365928 , 184181939 , 367392152 , 6814254428
n×2
42249812
n×3
63374718
n×4
84499624
n×5
105624530
n÷2
10562453
n÷3
7041635.3333333
n÷3
5281226.5
n÷5
4224981.2
n2
446261653508836
n3
9.4272354817787E+21
n4
1.9914946339244E+29
n5
4.2070136941157E+36
2 √n
4596.1838518493
3 √n
276.4383306598
4 √n
67.795160976645
5 √n
29.171513157709
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
-21124905
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 21124906 can be divided by 8 positive divisors.
The sum of these divisors (counting 21124906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100101011100101010
3
Ternary
1110202020220221
4
Quaternary
1100211130222
5
Quinary
20401444111
6
Senary
2032440254
8
Octal
120453452
10
Decimal
21124906
12
Duodecimal
70a908a
16
Hexadecimal
142572a
20
Vigesimal
6c0c56
36
Base36
cks2y
md5
5a191a31338379ffada5df02e380a5d2
sha1
2323ce4b93ab9251d89a436b8ef670dfbec8f6a6
sha256
4716803354723599120e3438e9d7f999b14ec3b62f3d0c143e7d3059e16269e2
sha512
bec3bdcfe62f36ac8cb8903e7d9ff21a11a69f89fc09eb45b03382eff78be8b313aabc969196a1c29405b46151f3f76a28966d8dcc1b4f9e8536887592fcb18f
ripemd-160
0f1810d34b5cd276b777970fde70224743d93aef
Diameter
42249812
Circumference
132731698.99475
Area
1.4019723322422E+15
Volume
3.9488711644289E+22
Surface area
5.6078893289688E+15
Circumference
132731698.99475
Perimeter
84499624
Area
446261653508836
Diagonal
29875128.569057
Surface area
2677569921053016
Volume
9.4272354817787E+21
Space diagonal
36589410.497117
Perimeter
63374718
Area
1.9323696433675E+14
Altitude
18294705.248558
Surface area
1.9323696433675E+14
Volume
1.111010356168E+21
Height
9958376.1896856