25217985 is an odd 8-digits composite number following 25217984
and preceding 25217986 . In scientific notation, it is written as 2.5217985 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 12250368 positive integers (up to 25217985) that are relatively prime to 25217985.
25217985 has 32 divisors, whose sum is 44029440
The reverse of 25217985 is 58971252
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-five million two hundred seventeen thousand nine hundred eighty-five
Scientific notation
2.5217985 × 10^7
Engineering notation
2.5217985 × 10^6
Prime Factorization
5 × 3 × 13 × 79 × 1637
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
25217985
Product of the distinct prime numbers
The prime factorization of 25217985 is 5 × 3 × 13 × 79 × 1637.
Since it has a total of 5 prime factors.
4 , 1 , 8 , 93 , 270 , 116 , 4959 , 6505 , 21166 , 43481 , 712981 , 314812 , 3881084 , 137505 , 61823175 , 82533458 , 622533837 , 453931842 , 7192523571 , 2964825539
n×2
50435970
n×3
75653955
n×4
100871940
n×5
126089925
n÷2
12608992.5
n÷3
8405995
n÷3
6304496.25
n÷5
5043597
n2
635946767460225
n3
1.603729604261E+22
n4
4.0442829104311E+29
n5
1.0198866577101E+37
2 √n
5021.7511885795
3 √n
293.24917164823
4 √n
70.864315339807
5 √n
30.223313527703
1 , 3 , 5 , 13 , 15 , 39 , 65 , 79 , 195 , 237 , 395 , 1027 , 1185 , 1637 , 3081 , 4911 , 5135 , 8185 , 15405 , 21281 , 24555 , 63843 , 106405 , 129323 , 319215 , 387969 , 646615 , 1681199 , 1939845 , 5043597 , 8405995 , 25217985
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-25217984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 25217985 can be divided by 32 positive divisors.
The sum of these divisors (counting 25217985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1100000001100101111000001
3
Ternary
1202110012120110
4
Quaternary
1200030233001
5
Quinary
22423433420
6
Senary
2300301533
8
Octal
140145701
10
Decimal
25217985
12
Duodecimal
85418a9
16
Hexadecimal
180cbc1
20
Vigesimal
7hc4j5
36
Base36
f0ibl
md5
447181a9a1f8fe8edbc2d32705e197fb
sha1
a1880a90981a5d772b02cebea0e6b58994f5f662
sha256
3d8d536539125bfb37c548d4d3361e1b2cf8b1658e3b91cd956bbd09e439a503
sha512
747239f4c5ee76406feebbbb462412b77333d0f0e82de590913ded1a50924a72c7e681d647bc07b701ba357cd6fa45791fe720725bbcec90fee09f67c25bf121
ripemd-160
9184b95a1d2af2c41fcdedda515b9ee2f6b2d142
Diameter
50435970
Circumference
158449272.82868
Area
1.9978856927272E+15
Volume
6.7176868574546E+22
Surface area
7.9915427709089E+15
Circumference
158449272.82868
Perimeter
100871940
Area
635946767460225
Diagonal
35663616.402721
Surface area
3815680604761350
Volume
1.603729604261E+22
Space diagonal
43678831.28451
Perimeter
75653955
Area
2.7537302803757E+14
Altitude
21839415.642255
Surface area
2.7537302803757E+14
Volume
1.8900134639377E+21
Height
11887872.13424