21708425 is an odd 8-digits composite number following 21708424
and preceding 21708426 . In scientific notation, it is written as 2.1708425 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 17366720 positive integers (up to 21708425) that are relatively prime to 21708425.
21708425 has 4 divisors, whose sum is 22576788
The reverse of 21708425 is 52480712
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million seven hundred eight thousand four hundred twenty-five
Scientific notation
2.1708425 × 10^7
Engineering notation
2.1708425 × 10^6
Prime Factorization
25 × 868337
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21708425
Product of the distinct prime numbers
The prime factorization of 21708425 is 25 × 868337.
Since it has a total of 2 prime factors.
2 , 10 , 85 , 89 , 236 , 913 , 2713 , 9160 , 93454 , 84214 , 766294 , 293113 , 2499222 , 4893671 , 40741614 , 1991358 , 284946832 , 582071129 , 2609096998 , 945089722
n×2
43416850
n×3
65125275
n×4
86833700
n×5
108542125
n÷2
10854212.5
n÷3
7236141.6666667
n÷3
5427106.25
n÷5
4341685
n2
471255715980625
n3
1.0230219366187E+22
n4
2.2208194984441E+29
n5
4.8210493520512E+36
2 √n
4659.230086613
3 √n
278.96053791977
4 √n
68.258553212129
5 √n
29.330918495431
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21708424
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21708425 can be divided by 4 positive divisors.
The sum of these divisors (counting 21708425) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110011111010001001
3
Ternary
1111211220100202
4
Quaternary
1102303322021
5
Quinary
21024132200
6
Senary
2053141545
8
Octal
122637211
10
Decimal
21708425
12
Duodecimal
732a8b5
16
Hexadecimal
14b3e89
20
Vigesimal
6fdb15
36
Base36
cxabt
md5
c79384dd6bdc4dc0779a3faf01b6481c
sha1
5f378af43c707f9e9dd00dde80ffefba6db26c75
sha256
ff5da2368a3ce07f82529d7c301c35a69a931728cdad886cc1d056fc3dd19b3a
sha512
6189be52a723ad0808a7276a7e7d9fe2ad068016718fd4a0a4548f95ba515686a14051d6b79fe75abdf6c43d946cc5f9a422ccdb9a3f61f23d0ee2db1cb2a941
ripemd-160
f0c445baa6ccdd7b9c8119a1e5a0eafdd2aa164b
Diameter
43416850
Circumference
136398057.00201
Area
1.4804934952869E+15
Volume
4.2852242673899E+22
Surface area
5.9219739811477E+15
Circumference
136398057.00201
Perimeter
86833700
Area
471255715980625
Diagonal
30700349.052759
Surface area
2827534295883750
Volume
1.0230219366187E+22
Space diagonal
37600095.052298
Perimeter
65125275
Area
2.0405971085892E+14
Altitude
18800047.526149
Surface area
2.0405971085892E+14
Volume
1.2056429144761E+21
Height
10233449.684253