68645425 is an odd 8-digits composite number following 68645424
and preceding 68645426 . In scientific notation, it is written as 6.8645425 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 54824000 positive integers (up to 68645425) that are relatively prime to 68645425.
68645425 has 12 divisors, whose sum is 85263516
The reverse of 68645425 is 52454686
Previous prime number is 3917
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million six hundred forty-five thousand four hundred twenty-five
Scientific notation
6.8645425 × 10^7
Engineering notation
6.8645425 × 10^6
Prime Factorization
5 × 5 × 3917 × 701
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13729085
Product of the distinct prime numbers
The prime factorization of 68645425 is 5 × 5 × 3917 × 701.
Since it has a total of 4 prime factors.
9 , 6 , 49 , 45 , 722 , 782 , 2714 , 9321 , 1910 , 48001 , 137332 , 638814 , 13790 , 1715382 , 64082175 , 12551800 , 520945652 , 252764895 , 9134826999 , 6583005932
n×2
137290850
n×3
205936275
n×4
274581700
n×5
343227125
n÷2
34322712.5
n÷3
22881808.333333
n÷3
17161356.25
n÷5
13729085
n2
4712194373430625
n3
3.2347058544675E+23
n4
2.2204775812991E+31
n5
1.5242562727125E+39
2 √n
8285.2534662495
3 √n
409.45281953973
4 √n
91.023367693409
5 √n
36.925154372533
1 , 5 , 25 , 701 , 3505 , 3917 , 17525 , 19585 , 97925 , 2745817 , 13729085 , 68645425
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
-68645424
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 68645425 can be divided by 12 positive divisors.
The sum of these divisors (counting 68645425) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000101110111001000110001
3
Ternary
11210011112211011
4
Quaternary
10011313020301
5
Quinary
120033123200
6
Senary
10451150521
8
Octal
405671061
10
Decimal
68645425
12
Duodecimal
1aba5441
16
Hexadecimal
4177231
20
Vigesimal
1190db5
36
Base36
14vb5d
md5
ebde9b5998fa90e679529e64de36235d
sha1
31f5703396832c56d66748b35d102e389ba18184
sha256
674d3f1a369bb871f5a0a1a90d17aabc4bc3cc7bffa085b47e47edbd839c408a
sha512
7bd7eef5100dbc5fc2e6eeb9a75eaaf2c152bbb928f66ea850cb59f3ebca9ea0dd96c695ef2c370c3f10c4a666ca9f148ba0bb5c73a803154917d62b52b8f234
ripemd-160
dc236036cbee4ae554ddb68e8b979ece5d7d4a50
Diameter
137290850
Circumference
431311925.7651
Area
1.4803795225857E+16
Volume
1.3549504198559E+24
Surface area
5.9215180903427E+16
Circumference
431311925.7651
Perimeter
274581700
Area
4712194373430625
Diagonal
97079291.029865
Surface area
28273166240583750
Volume
3.2347058544675E+23
Space diagonal
118897363.80716
Perimeter
205936275
Area
2.0404400174805E+15
Altitude
59448681.903579
Surface area
2.0404400174805E+15
Volume
3.812137408063E+22
Height
32359763.676622