25655985 is an odd 8-digits composite number following 25655984
and preceding 25655986 . In scientific notation, it is written as 2.5655985 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 12597120 positive integers (up to 25655985) that are relatively prime to 25655985.
25655985 has 16 divisors, whose sum is 29621760
The reverse of 25655985 is 58955652
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-five million six hundred fifty-five thousand nine hundred eighty-five
Scientific notation
2.5655985 × 10^7
Engineering notation
2.5655985 × 10^6
Prime Factorization
9 × 95 × 37 × 811
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
25655985
Product of the distinct prime numbers
The prime factorization of 25655985 is 9 × 95 × 37 × 811.
Since it has a total of 4 prime factors.
7 , 8 , 1 , 30 , 417 , 606 , 1978 , 3317 , 26542 , 37422 , 174681 , 6390 , 9980850 , 1672360 , 89722726 , 72329359 , 728475212 , 532250752 , 2322174898 , 5608052990
n×2
51311970
n×3
76967955
n×4
102623940
n×5
128279925
n÷2
12827992.5
n÷3
8551995
n÷3
6413996.25
n÷5
5131197
n2
658229566320225
n3
1.6887527880068E+22
n4
4.3326616197811E+29
n5
1.1115870152718E+37
2 √n
5065.1737383825
3 √n
294.93720774034
4 √n
71.17003399172
5 √n
30.327578714411
1 , 9 , 37 , 95 , 333 , 811 , 855 , 3515 , 7299 , 30007 , 31635 , 77045 , 270063 , 693405 , 2850665 , 25655985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-25655984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 25655985 can be divided by 16 positive divisors.
The sum of these divisors (counting 25655985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100001110111101010110001
3
Ternary
1210021110101200
4
Quaternary
1201313222301
5
Quinary
23031442420
6
Senary
2313521413
8
Octal
141675261
10
Decimal
25655985
12
Duodecimal
8713269
16
Hexadecimal
1877ab1
20
Vigesimal
806jj5
36
Base36
f9wa9
md5
efdeb729d2635558b23d853a870b588a
sha1
faeebd666467a4b3865663e7521831e2940934c5
sha256
c6d450ba00c813df36d93224f034a9a3c29fa3cf1d012128a0933738a0d785ef
sha512
2b9d91ee57a0bcf577bfe284c3f2da898031bcc041415d2637af4898a28899bb75918a6588dc80ae5b8d45953e037f2edd99228ddb1b743fa8a7ab9c2d598a2f
ripemd-160
d48b1b6746778f378078c6cc9b42db1c4914155a
Diameter
51311970
Circumference
161201307.99322
Area
2.0678891699272E+15
Volume
7.0738311367087E+22
Surface area
8.2715566797089E+15
Circumference
161201307.99322
Perimeter
102623940
Area
658229566320225
Diagonal
36283041.943041
Surface area
3949377397921350
Volume
1.6887527880068E+22
Space diagonal
44437469.538225
Perimeter
76967955
Area
2.8502176297766E+14
Altitude
22218734.769113
Surface area
2.8502176297766E+14
Volume
1.9902142469122E+21
Height
12094347.314347