25690639 is an odd 8-digits composite number following 25690638
and preceding 25690640 . In scientific notation, it is written as 2.5690639 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 23669760 positive integers (up to 25690639) that are relatively prime to 25690639.
25690639 has 8 divisors, whose sum is 27718992
The reverse of 25690639 is 93609652
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-five million six hundred ninety thousand six hundred thirty-nine
Scientific notation
2.5690639 × 10^7
Engineering notation
2.5690639 × 10^6
Prime Factorization
13 × 641 × 3083
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
25690639
Product of the distinct prime numbers
The prime factorization of 25690639 is 13 × 641 × 3083.
Since it has a total of 3 prime factors.
8 , 1 , 48 , 12 , 420 , 279 , 6636 , 7822 , 37185 , 54226 , 543454 , 541456 , 1801610 , 8921063 , 78157920 , 32785000 , 444240908 , 408063897 , 3167483910 , 2658345618
n×2
51381278
n×3
77071917
n×4
102762556
n×5
128453195
n÷2
12845319.5
n÷3
8563546.3333333
n÷3
6422659.75
n÷5
5138127.8
n2
660008932228321
n3
1.6956051214653E+22
n4
4.3561179062117E+29
n5
1.1191145256992E+37
2 √n
5068.5933946214
3 √n
295.06994032576
4 √n
71.194054489272
5 √n
30.335767092646
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
-25690638
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 25690639 can be divided by 8 positive divisors.
The sum of these divisors (counting 25690639) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010000000001000001111
3
Ternary
1210100012221011
4
Quaternary
1202000020033
5
Quinary
23034100024
6
Senary
2314350051
8
Octal
142001017
10
Decimal
25690639
12
Duodecimal
872b327
16
Hexadecimal
188020f
20
Vigesimal
80b6bj
36
Base36
fan0v
md5
f360fcec16f430b38d2b51d155bdca05
sha1
29bc2732a114fe7ef557a98eba2ba06426c33028
sha256
b6ea0261d8957f631cb46b6cf2ec1e0b599633d852049d32f7491b00cbfb3fa0
sha512
83522c7abf2cb3fe96ea20b0c009dea2c7cd41ccd5b2daefebe9cba81ce937a7363f65b0fad914d10a409fe3e9f5a27a8399190dfeb1bf1413df771a658d51b1
ripemd-160
dd5b2093b8a20c6fff315dfc53d06514c8ff0f82
Diameter
51381278
Circumference
161419045.49685
Area
2.0734792127921E+15
Volume
7.1025341239796E+22
Surface area
8.2939168511685E+15
Circumference
161419045.49685
Perimeter
102762556
Area
660008932228321
Diagonal
36332050.099831
Surface area
3960053593369926
Volume
1.6956051214653E+22
Space diagonal
44497492.02691
Perimeter
77071917
Area
2.8579225101718E+14
Altitude
22248746.013455
Surface area
2.8579225101718E+14
Volume
1.998289799338E+21
Height
12110683.36661