25656989 is an odd 8-digits composite number following 25656988
and preceding 25656990 . In scientific notation, it is written as 2.5656989 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 25429824 positive integers (up to 25656989) that are relatively prime to 25656989.
25656989 has 4 divisors, whose sum is 25884156
The reverse of 25656989 is 98965652
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-five million six hundred fifty-six thousand nine hundred eighty-nine
Scientific notation
2.5656989 × 10^7
Engineering notation
2.5656989 × 10^6
Prime Factorization
113 × 227053
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
25656989
Product of the distinct prime numbers
The prime factorization of 25656989 is 113 × 227053.
Since it has a total of 2 prime factors.
1 , 4 , 41 , 22 , 641 , 669 , 5263 , 6312 , 15984 , 26509 , 426357 , 257560 , 1556957 , 4143211 , 23286356 , 46514471 , 244745191 , 817688258 , 7878339863 , 6469467191
n×2
51313978
n×3
76970967
n×4
102627956
n×5
128284945
n÷2
12828494.5
n÷3
8552329.6666667
n÷3
6414247.25
n÷5
5131397.8
n2
658281084546121
n3
1.6889510545108E+22
n4
4.3333398627122E+29
n5
1.1118045319087E+37
2 √n
5065.2728455632
3 √n
294.94105496603
4 √n
71.170730258746
5 √n
30.327816073549
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
-25656988
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 25656989 can be divided by 4 positive divisors.
The sum of these divisors (counting 25656989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001110111111010011101
3
Ternary
1210021111202212
4
Quaternary
1201313322131
5
Quinary
23032010424
6
Senary
2313530205
8
Octal
141677235
10
Decimal
25656989
12
Duodecimal
8713965
16
Hexadecimal
1877e9d
20
Vigesimal
807299
36
Base36
f9x25
md5
544cb597e8c4fe156ab5401c44e7c549
sha1
b41605dde373d027f606f3a6fbef5e9c89844617
sha256
735ed740aa976ac49669eec2fb34d1ac11672b0876d2f9b3fdf2fee83ba3c78c
sha512
bffb6ccdda25f85a17796eef4a1c5b419d68b037f4ae67cf94a02322f2e0aa00d7366880f943d67f348346cfa1e092e48c982139f110792cc996b3a28355ac8c
ripemd-160
eeec1e61b2579b8de7dadca7a7018fac9d9fce01
Diameter
51313978
Circumference
161207616.31127
Area
2.0680510192072E+15
Volume
7.0746616334984E+22
Surface area
8.2722040768289E+15
Circumference
161207616.31127
Perimeter
102627956
Area
658281084546121
Diagonal
36284461.813457
Surface area
3949686507276726
Volume
1.6889510545108E+22
Space diagonal
44439208.517236
Perimeter
76970967
Area
2.8504407102386E+14
Altitude
22219604.258618
Surface area
2.8504407102386E+14
Volume
1.9904479062279E+21
Height
12094820.604486