25897729 is an odd 8-digits composite number following 25897728
and preceding 25897730 . In scientific notation, it is written as 2.5897729 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 21730800 positive integers (up to 25897729) that are relatively prime to 25897729.
25897729 has 12 divisors, whose sum is 30594672
The reverse of 25897729 is 92779852
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-five million eight hundred ninety-seven thousand seven hundred twenty-nine
Scientific notation
2.5897729 × 10^7
Engineering notation
2.5897729 × 10^6
Prime Factorization
11 × 13 × 13 × 13931
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1992133
Product of the distinct prime numbers
The prime factorization of 25897729 is 11 × 13 × 13 × 13931.
Since it has a total of 4 prime factors.
9 , 7 , 77 , 71 , 517 , 683 , 8740 , 1280 , 33365 , 32089 , 933426 , 660139 , 5624947 , 4072480 , 96706853 , 40950633 , 116772526 , 938966568 , 1234344729 , 6518006419
n×2
51795458
n×3
77693187
n×4
103590916
n×5
129488645
n÷2
12948864.5
n÷3
8632576.3333333
n÷3
6474432.25
n÷5
5179545.8
n2
670692367357441
n3
1.7369409172191E+22
n4
4.4982825163153E+29
n5
1.1649530157297E+37
2 √n
5088.9811357481
3 √n
295.86066381546
4 √n
71.337095089078
5 √n
30.384516952171
1 , 11 , 13 , 143 , 169 , 1859 , 13931 , 153241 , 181103 , 1992133 , 2354339 , 25897729
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-25897728
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 25897729 can be divided by 12 positive divisors.
The sum of these divisors (counting 25897729) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100010110010101100000001
3
Ternary
1210201202000011
4
Quaternary
1202302230001
5
Quinary
23112211404
6
Senary
2323024521
8
Octal
142625401
10
Decimal
25897729
12
Duodecimal
880b141
16
Hexadecimal
18b2b01
20
Vigesimal
81h469
36
Base36
ff2td
md5
dc6cbd07c40cc01ce38bbc266b040cb1
sha1
4819f602fe43a936fbcef1eb0f5703cdb871cb9a
sha256
3af0b4200d113de2c7dfbc1e84b4f56ba2a2f2d1ea87d331d078212075b486f0
sha512
412aeaf05c4ee790d24ca85c3874e7589fac4b59d6da91a0ca2f8319e8da0c98c2134a461104682d2cf4c78533f7c190d58b30ab7335d548f79d09c8c0a1b92b
ripemd-160
36edb38540742376e10ea7760b3b3c5684372a83
Diameter
51795458
Circumference
162720230.34212
Area
2.1070422141089E+15
Volume
7.2756811003402E+22
Surface area
8.4281688564355E+15
Circumference
162720230.34212
Perimeter
103590916
Area
670692367357441
Diagonal
36624919.586463
Surface area
4024154204144646
Volume
1.7369409172191E+22
Space diagonal
44856182.42865
Perimeter
77693187
Area
2.9041831412793E+14
Altitude
22428091.214325
Surface area
2.9041831412793E+14
Volume
2.0470045018101E+21
Height
12208306.528821