21497425 is an odd 8-digits composite number following 21497424
and preceding 21497426 . In scientific notation, it is written as 2.1497425 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 17159120 positive integers (up to 21497425) that are relatively prime to 21497425.
21497425 has 12 divisors, whose sum is 26717040
The reverse of 21497425 is 52479412
Previous prime number is 683
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety-seven thousand four hundred twenty-five
Scientific notation
2.1497425 × 10^7
Engineering notation
2.1497425 × 10^6
Prime Factorization
5 × 5 × 683 × 1259
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4299485
Product of the distinct prime numbers
The prime factorization of 21497425 is 5 × 5 × 683 × 1259.
Since it has a total of 4 prime factors.
7 , 7 , 73 , 41 , 68 , 635 , 6513 , 1122 , 65425 , 56695 , 65737 , 647320 , 1564898 , 5631470 , 7024105 , 76503624 , 580247505 , 551283543 , 4730988653 , 5579851242
n×2
42994850
n×3
64492275
n×4
85989700
n×5
107487125
n÷2
10748712.5
n÷3
7165808.3333333
n÷3
5374356.25
n÷5
4299485
n2
462139281630625
n3
9.9348045464082E+21
n4
2.1357271562607E+29
n5
4.5912634362178E+36
2 √n
4636.5315700424
3 √n
278.05378684274
4 √n
68.092081551693
5 √n
29.273677801442
1 , 5 , 25 , 683 , 1259 , 3415 , 6295 , 17075 , 31475 , 859897 , 4299485 , 21497425
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
-21497424
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 21497425 can be divided by 12 positive divisors.
The sum of these divisors (counting 21497425) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010000000011001010001
3
Ternary
1111110011220221
4
Quaternary
1102000121101
5
Quinary
21000404200
6
Senary
2044433041
8
Octal
122003121
10
Decimal
21497425
12
Duodecimal
7248781
16
Hexadecimal
1480651
20
Vigesimal
6e73b5
36
Base36
csrip
md5
5091d63c20289fbd33785d6897e20fc8
sha1
d02e794a895bbdda69df7c01d20b64cf2cae6e78
sha256
c6be5e15a29cd74b909a0ed9923e8184806912eb8d93f74cf9dccf18124572ed
sha512
d12235205e1f6b21106d983e9126ef55d24caee68f6dd87a9b7bc3d0f2c4bc617b5746ff94bf2615f16361229f8b64b206e10e7fe9fa5c56d932395705bbb9a0
ripemd-160
8f0c9b273c436346499ee84b91cebc8c94c8cb36
Diameter
42994850
Circumference
135072304.9022
Area
1.451853372106E+15
Volume
4.1614811970462E+22
Surface area
5.8074134884241E+15
Circumference
135072304.9022
Perimeter
85989700
Area
462139281630625
Diagonal
30401949.991098
Surface area
2772835689783750
Volume
9.9348045464082E+21
Space diagonal
37234632.331901
Perimeter
64492275
Area
2.0011217898941E+14
Altitude
18617316.165951
Surface area
2.0011217898941E+14
Volume
1.170827944088E+21
Height
10133983.330366