25485721 is an odd 8-digits composite number following 25485720
and preceding 25485722 . In scientific notation, it is written as 2.5485721 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 25475344 positive integers (up to 25485721) that are relatively prime to 25485721.
25485721 has 4 divisors, whose sum is 25496100
The reverse of 25485721 is 12758452
Previous prime number is 3989
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-five million four hundred eighty-five thousand seven hundred twenty-one
Scientific notation
2.5485721 × 10^7
Engineering notation
2.5485721 × 10^6
Prime Factorization
3989 × 6389
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
25485721
Product of the distinct prime numbers
The prime factorization of 25485721 is 3989 × 6389.
Since it has a total of 2 prime factors.
5 , 4 , 13 , 81 , 296 , 525 , 2421 , 9871 , 61517 , 11198 , 95484 , 509175 , 3839018 , 8803911 , 48736281 , 49908382 , 460194925 , 627835301 , 3527066390 , 406133207
n×2
50971442
n×3
76457163
n×4
101942884
n×5
127428605
n÷2
12742860.5
n÷3
8495240.3333333
n÷3
6371430.25
n÷5
5097144.2
n2
649521974889841
n3
1.6553535835411E+22
n4
4.218787958648E+29
n5
1.0751885287226E+37
2 √n
5048.3384395264
3 √n
294.28331629096
4 √n
71.051660357281
5 √n
30.287218096132
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
-25485720
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 25485721 can be divided by 4 positive divisors.
The sum of these divisors (counting 25485721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001001110000110011001
3
Ternary
1202221210211121
4
Quaternary
1201032012121
5
Quinary
23011020341
6
Senary
2310125241
8
Octal
141160631
10
Decimal
25485721
12
Duodecimal
8650821
16
Hexadecimal
184e199
20
Vigesimal
7j5e61
36
Base36
f68wp
md5
df19aac0d7b77a210147a0aa2b2db266
sha1
ffe75d1b2de65e6e49fad34dc1348ccad2e16fcc
sha256
583ab5dc534dd676bf9f3a0a3dfd0276b096e0d03422be5535e75567e6a18118
sha512
1834d086ad9d9d8e8e9fbb236772a66e7ac2632639ac09471521fba3fe95e33ac674b9359078a882c7d341e4d3db80ab1139d95e7436b1d481c0d1aedf300b3b
ripemd-160
85ec991d47df0ee62d8b5d764aa155c2dfc94381
Diameter
50971442
Circumference
160131507.73008
Area
2.0405334646591E+15
Volume
6.9339288761952E+22
Surface area
8.1621338586362E+15
Circumference
160131507.73008
Perimeter
101942884
Area
649521974889841
Diagonal
36042252.285057
Surface area
3897131849339046
Volume
1.6553535835411E+22
Space diagonal
44142563.639525
Perimeter
76457163
Area
2.8125126528542E+14
Altitude
22071281.819763
Surface area
2.8125126528542E+14
Volume
1.9508529069723E+21
Height
12014084.095019