25561385 is an odd 8-digits composite number following 25561384
and preceding 25561386 . In scientific notation, it is written as 2.5561385 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 20449104 positive integers (up to 25561385) that are relatively prime to 25561385.
25561385 has 4 divisors, whose sum is 30673668
The reverse of 25561385 is 58316552
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-five million five hundred sixty-one thousand three hundred eighty-five
Scientific notation
2.5561385 × 10^7
Engineering notation
2.5561385 × 10^6
Prime Factorization
5 × 5112277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
25561385
Product of the distinct prime numbers
The prime factorization of 25561385 is 5 × 5112277.
Since it has a total of 2 prime factors.
6 , 6 , 25 , 33 , 523 , 771 , 3892 , 4777 , 98671 , 11763 , 188149 , 74854 , 1466682 , 7215634 , 60449881 , 54166421 , 641048693 , 268180906 , 7469763334 , 3154040728
n×2
51122770
n×3
76684155
n×4
102245540
n×5
127806925
n÷2
12780692.5
n÷3
8520461.6666667
n÷3
6390346.25
n÷5
5112277
n2
653384403118225
n3
1.67014102811E+22
n4
4.2691117823816E+29
n5
1.0912440987749E+37
2 √n
5055.8268364334
3 √n
294.57425899122
4 √n
71.104337676638
5 √n
30.305180589353
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
-25561384
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 25561385 can be divided by 4 positive divisors.
The sum of these divisors (counting 25561385) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001100000100100101001
3
Ternary
1210002122121222
4
Quaternary
1201200210221
5
Quinary
23020431020
6
Senary
2311511425
8
Octal
141404451
10
Decimal
25561385
12
Duodecimal
8688575
16
Hexadecimal
1860929
20
Vigesimal
7jf395
36
Base36
f7vah
md5
565bdd7f7530ca87b93fe57ae2c1d93a
sha1
1c296cdc1654eb7f8a9d071677ec20915ee0e869
sha256
02c55fd874630c72c6e4987825ac2dc471610c46fa176a00b338b178e47fbead
sha512
8ecc704bbe7d2d32c280f03aaf79aca4884835f8a6381d77925be8210519ea1c1ec49c4451936b1bfdb2d6b725c0c3c7b0500ba504a42a261f09220d88b66dab
ripemd-160
38e5a82f46f06e71e273c03898f7f70a7e9d99c9
Diameter
51122770
Circumference
160606918.66316
Area
2.0526676408064E+15
Volume
6.9958703791591E+22
Surface area
8.2106705632255E+15
Circumference
160606918.66316
Perimeter
102245540
Area
653384403118225
Diagonal
36149257.34004
Surface area
3920306418709350
Volume
1.67014102811E+22
Space diagonal
44273617.531829
Perimeter
76684155
Area
2.8292374576846E+14
Altitude
22136808.765914
Surface area
2.8292374576846E+14
Volume
1.9682800775241E+21
Height
12049752.44668