21142425 is an odd 8-digits composite number following 21142424
and preceding 21142426 . In scientific notation, it is written as 2.1142425 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 11217600 positive integers (up to 21142425) that are relatively prime to 21142425.
21142425 has 8 divisors, whose sum is 21535360
The reverse of 21142425 is 52424112
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million one hundred forty-two thousand four hundred twenty-five
Scientific notation
2.1142425 × 10^7
Engineering notation
2.1142425 × 10^6
Prime Factorization
75 × 229 × 1231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21142425
Product of the distinct prime numbers
The prime factorization of 21142425 is 75 × 229 × 1231.
Since it has a total of 3 prime factors.
10 , 7 , 7 , 53 , 778 , 91 , 2965 , 7353 , 38727 , 43739 , 660067 , 199296 , 6215941 , 7069496 , 34118504 , 35059938 , 662222974 , 527560280 , 4502088568 , 7394376197
n×2
42284850
n×3
63427275
n×4
84569700
n×5
105712125
n÷2
10571212.5
n÷3
7047475
n÷3
5285606.25
n÷5
4228485
n2
447002134880625
n3
9.4507091115535E+21
n4
1.9981090858784E+29
n5
4.2244871490002E+36
2 √n
4598.0892770802
3 √n
276.51472681792
4 √n
67.809212331955
5 √n
29.176349972555
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
-21142424
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 21142425 can be divided by 8 positive divisors.
The sum of these divisors (counting 21142425) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000101001101110011001
3
Ternary
1110210010221210
4
Quaternary
1100221232121
5
Quinary
20403024200
6
Senary
2033053333
8
Octal
120515631
10
Decimal
21142425
12
Duodecimal
70b7249
16
Hexadecimal
1429b99
20
Vigesimal
6c2g15
36
Base36
cl5ll
md5
fb09e008c8f53c1d1af05dfb4a964e40
sha1
d96ca9f74a80c401948a7ae4c959a16e20b7784b
sha256
1c7f3976a225238ecc2f0bc7870b79c20476e52914fea095dd562146df4d3920
sha512
f15dd34b33a35fc327ef629c1d7182a5ba78a27c8d173e7f7b5f0f661e9fbd5970b8519210304ab6e7b0df1826b9db2b8c87a48fdc4bb5f93883e9d77f1f30e1
ripemd-160
fa40e4ca9fc0c8022cc86b066c9650c42e29a91e
Diameter
42284850
Circumference
132841774.11815
Area
1.4042986230799E+15
Volume
3.9587037754761E+22
Surface area
5.6171944923197E+15
Circumference
132841774.11815
Perimeter
84569700
Area
447002134880625
Diagonal
29899904.176456
Surface area
2682012809283750
Volume
9.4507091115535E+21
Space diagonal
36619754.295214
Perimeter
63427275
Area
1.9355760217625E+14
Altitude
18309877.147607
Surface area
1.9355760217625E+14
Volume
1.1137767499668E+21
Height
9966634.7254853