21242225 is an odd 8-digits composite number following 21242224
and preceding 21242226 . In scientific notation, it is written as 2.1242225 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 16254480 positive integers (up to 21242225) that are relatively prime to 21242225.
21242225 has 8 divisors, whose sum is 23053056
The reverse of 21242225 is 52224212
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million two hundred forty-two thousand two hundred twenty-five
Scientific notation
2.1242225 × 10^7
Engineering notation
2.1242225 × 10^6
Prime Factorization
25 × 23 × 36943
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21242225
Product of the distinct prime numbers
The prime factorization of 21242225 is 25 × 23 × 36943.
Since it has a total of 3 prime factors.
4 , 5 , 9 , 81 , 440 , 353 , 3695 , 7898 , 87277 , 48246 , 340378 , 6740 , 3684039 , 4594527 , 72076156 , 17364261 , 158330046 , 132803864 , 5763090371 , 436153481
n×2
42484450
n×3
63726675
n×4
84968900
n×5
106211125
n÷2
10621112.5
n÷3
7080741.6666667
n÷3
5310556.25
n÷5
4248445
n2
451232122950625
n3
9.5851742829448E+21
n4
2.0361042878253E+29
n5
4.3251385405449E+36
2 √n
4608.9288343388
3 √n
276.94912766363
4 √n
67.88909216022
5 √n
29.20384272556
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
-21242224
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 21242225 can be divided by 8 positive divisors.
The sum of these divisors (counting 21242225) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001000010000101110001
3
Ternary
1110222012212002
4
Quaternary
1101002011301
5
Quinary
20414222400
6
Senary
2035143345
8
Octal
121020561
10
Decimal
21242225
12
Duodecimal
7144b55
16
Hexadecimal
1442171
20
Vigesimal
6cf5b5
36
Base36
cnalt
md5
e0ffa612b8c938fb58a1c294c4e88052
sha1
12b6b9e24ebaecf1d88dc3a2ea06184e23e2b452
sha256
bcbb0e0c6c8559422c1b8b03bff52b3e940a3dd30587142b0a529f3fa36faef1
sha512
4a26c9758c5b0494c202c909bf14a4e8633044ea6ceaa806bca0b94dfaae34b25b90c1f775021c3f14db033fb06b96c60d4eb6194c7576d02717e2aec64e5f75
ripemd-160
653e6a408eb761899041b8f7f0782825909a9331
Diameter
42484450
Circumference
133468836.0118
Area
1.4175875225254E+15
Volume
4.015028414757E+22
Surface area
5.6703500901016E+15
Circumference
133468836.0118
Perimeter
84968900
Area
451232122950625
Diagonal
30041042.689981
Surface area
2707392737703750
Volume
9.5851742829448E+21
Space diagonal
36792612.96581
Perimeter
63726675
Area
1.9538924073941E+14
Altitude
18396306.482905
Surface area
1.9538924073941E+14
Volume
1.1296236223875E+21
Height
10013680.89666