21051524 is an even 8-digits composite number following 21051523
and preceding 21051525 . In scientific notation, it is written as 2.1051524 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 9716064 positive integers (up to 21051524) that are relatively prime to 21051524.
21051524 has 12 divisors, whose sum is 39674124
The reverse of 21051524 is 42515012
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million fifty-one thousand five hundred twenty-four
Scientific notation
2.1051524 × 10^7
Engineering notation
2.1051524 × 10^6
Prime Factorization
2 × 2 × 13 × 404837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10525762
Product of the distinct prime numbers
The prime factorization of 21051524 is 2 × 2 × 13 × 404837.
Since it has a total of 4 prime factors.
6 , 10 , 20 , 72 , 655 , 23 , 6053 , 6760 , 20051 , 86351 , 12024 , 367533 , 2589635 , 8021203 , 57633133 , 65038859 , 604500784 , 506339966 , 348474242 , 8327610168
n×2
42103048
n×3
63154572
n×4
84206096
n×5
105257620
n÷2
10525762
n÷3
7017174.6666667
n÷3
5262881
n÷5
4210304.8
n2
443166662722576
n3
9.3293336363042E+21
n4
1.9639669094867E+29
n5
4.1344496530264E+36
2 √n
4588.1939802062
3 √n
276.11786955981
4 √n
67.73620878235
5 √n
29.151218207099
1 , 2 , 4 , 13 , 26 , 52 , 404837 , 809674 , 1619348 , 5262881 , 10525762 , 21051524
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21051523
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21051524 can be divided by 12 positive divisors.
The sum of these divisors (counting 21051524) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000010011100010000100
3
Ternary
1110121112021002
4
Quaternary
1100103202010
5
Quinary
20342122044
6
Senary
2031112432
8
Octal
120234204
10
Decimal
21051524
12
Duodecimal
7072718
16
Hexadecimal
1413884
20
Vigesimal
6bb8g4
36
Base36
cj7gk
md5
05ce736b223974e40ce1b7887430dfdb
sha1
11da98317b81ff1eec2f44825a8a1a6720f76906
sha256
8212d6cf3b4a8a5ebf52667cb545c70b4e5e290461e6faf3494493681dec6560
sha512
7d03f578cac1fc330ae0882fc3a4cc24cc0a47d547b06bc36984ceba9f3835caf2a84ace540092f90b7afa259a0b33497f40883aea635a632177c28a20f08586
ripemd-160
4b7b347a189b23bb402a3981f059b3fd21d3256f
Diameter
42103048
Circumference
132270626.29054
Area
1.3922491319252E+15
Volume
3.9078621352935E+22
Surface area
5.5689965277006E+15
Circumference
132270626.29054
Perimeter
84206096
Area
443166662722576
Diagonal
29771350.749423
Surface area
2658999976335456
Volume
9.3293336363042E+21
Space diagonal
36462309.144756
Perimeter
63154572
Area
1.9189679401406E+14
Altitude
18231154.572378
Surface area
1.9189679401406E+14
Volume
1.0994725130304E+21
Height
9923783.5831409