21242512 is an even 8-digits composite number following 21242511
and preceding 21242513 . In scientific notation, it is written as 2.1242512 × 10^7.
The sum of its digits is 19. It has a total of 6 prime factors and 20 positive divisors.
There are 10590848 positive integers (up to 21242512) that are relatively prime to 21242512.
21242512 has 20 divisors, whose sum is 41275260
The reverse of 21242512 is 21524212
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million two hundred forty-two thousand five hundred twelve
Scientific notation
2.1242512 × 10^7
Engineering notation
2.1242512 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 389 × 3413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2655314
Product of the distinct prime numbers
The prime factorization of 21242512 is 2 × 2 × 2 × 2 × 389 × 3413.
Since it has a total of 6 prime factors.
1 , 7 , 81 , 76 , 66 , 1000 , 6252 , 6732 , 90883 , 57578 , 488301 , 337758 , 4056828 , 699094 , 42121368 , 30005047 , 266184282 , 60282376 , 1970036965 , 5584881194
n×2
42485024
n×3
63727536
n×4
84970048
n×5
106212560
n÷2
10621256
n÷3
7080837.3333333
n÷3
5310628
n÷5
4248502.4
n2
451244316070144
n3
9.5855627990518E+21
n4
2.0362143278561E+29
n5
4.3254307294056E+36
2 √n
4608.9599694508
3 √n
276.95037492848
4 √n
67.889321468481
5 √n
29.203921638739
1 , 2 , 4 , 8 , 16 , 389 , 778 , 1556 , 3112 , 3413 , 6224 , 6826 , 13652 , 27304 , 54608 , 1327657 , 2655314 , 5310628 , 10621256 , 21242512
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21242511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21242512 can be divided by 20 positive divisors.
The sum of these divisors (counting 21242512) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010001000010001010010000
3
Ternary
1110222020020201
4
Quaternary
1101002022100
5
Quinary
20414230022
6
Senary
2035144544
8
Octal
121021220
10
Decimal
21242512
12
Duodecimal
7145154
16
Hexadecimal
1442290
20
Vigesimal
6cf65c
36
Base36
cnats
md5
1b7891967b65984a5eae29240ba8965c
sha1
f788048f4514adae686913e3ad9e5b6a46be5f3d
sha256
94ab45cdc5cf4c72fe67bd4f1d9c0475cad2bb5e989e424a1da96b9c2833769e
sha512
86cdb3cebbe6256015f996ee3729377c9882c01123dff8c498fc91c129685c4e142309fb8452c59cf13133ee46dc85a5428a59de7e9c87c87b453b7abb8879ec
ripemd-160
298e697c1a39fe2b5c19bff574660e501806c1b3
Diameter
42485024
Circumference
133470639.28599
Area
1.4176258283401E+15
Volume
4.0151911560033E+22
Surface area
5.6705033133605E+15
Circumference
133470639.28599
Perimeter
84970048
Area
451244316070144
Diagonal
30041448.569273
Surface area
2707465896420864
Volume
9.5855627990518E+21
Space diagonal
36793110.064392
Perimeter
63727536
Area
1.9539452051504E+14
Altitude
18396555.032196
Surface area
1.9539452051504E+14
Volume
1.1296694094498E+21
Height
10013816.189758