25218285 is an odd 8-digits composite number following 25218284
and preceding 25218286 . In scientific notation, it is written as 2.5218285 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13449744 positive integers (up to 25218285) that are relatively prime to 25218285.
25218285 has 8 divisors, whose sum is 40349280
The reverse of 25218285 is 58281252
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-five million two hundred eighteen thousand two hundred eighty-five
Scientific notation
2.5218285 × 10^7
Engineering notation
2.5218285 × 10^6
Prime Factorization
3 × 5 × 1681219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
25218285
Product of the distinct prime numbers
The prime factorization of 25218285 is 3 × 5 × 1681219.
Since it has a total of 3 prime factors.
10 , 10 , 53 , 70 , 7 , 330 , 2912 , 220 , 56254 , 75974 , 191993 , 38090 , 1224613 , 1662636 , 60665977 , 10618669 , 527414967 , 863372288 , 3090695332 , 3646128985
n×2
50436570
n×3
75654855
n×4
100873140
n×5
126091425
n÷2
12609142.5
n÷3
8406095
n÷3
6304571.25
n÷5
5043657
n2
635961898341225
n3
1.603786840151E+22
n4
4.0444753614177E+29
n5
1.0199473233971E+37
2 √n
5021.7810585488
3 √n
293.25033450089
4 √n
70.864526094153
5 √n
30.223385436311
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
-25218284
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 25218285 can be divided by 8 positive divisors.
The sum of these divisors (counting 25218285) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000001100110011101101
3
Ternary
1202110012222120
4
Quaternary
1200030303231
5
Quinary
22423441120
6
Senary
2300303153
8
Octal
140146355
10
Decimal
25218285
12
Duodecimal
8541ab9
16
Hexadecimal
180cced
20
Vigesimal
7hc5e5
36
Base36
f0ijx
md5
145318644dca2464a96194c3ade4d1a8
sha1
f1af062da05450a1cd45b3dbbae92941fb7ecd7b
sha256
d9f4d49305075472a9e68136f62a136c6400b689a7bb55dc223fa28ca2288a7d
sha512
f3d2bdf13ca05826ccea3eb42f56f3a0b3b6a425564b9f4b5c4afdae0f9676ca9d19b2e7d344865dda9fc5f8069e14283b2b6962f894e1ecd440eee8f8f5f5bb
ripemd-160
d144f7bd53920a8bd8c6e3e06f27410abb9b5d31
Diameter
50436570
Circumference
158451157.78427
Area
1.9979332277918E+15
Volume
6.7179266065898E+22
Surface area
7.9917329111672E+15
Circumference
158451157.78427
Perimeter
100873140
Area
635961898341225
Diagonal
35664040.66679
Surface area
3815771390047350
Volume
1.603786840151E+22
Space diagonal
43679350.899752
Perimeter
75654855
Area
2.7537957990124E+14
Altitude
21839675.449876
Surface area
2.7537957990124E+14
Volume
1.8900809170809E+21
Height
11888013.555597