38685989 is an odd 8-digits composite number following 38685988
and preceding 38685990 . In scientific notation, it is written as 3.8685989 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 38574156 positive integers (up to 38685989) that are relatively prime to 38685989.
38685989 has 4 divisors, whose sum is 38797824
The reverse of 38685989 is 98958683
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
thirty-eight million six hundred eighty-five thousand nine hundred eighty-nine
Scientific notation
3.8685989 × 10^7
Engineering notation
3.8685989 × 10^6
Prime Factorization
347 × 111487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
38685989
Product of the distinct prime numbers
The prime factorization of 38685989 is 347 × 111487.
Since it has a total of 2 prime factors.
3 , 6 , 88 , 8 , 305 , 764 , 6819 , 7733 , 44008 , 85447 , 670507 , 225046 , 6519660 , 1755313 , 60064761 , 37937225 , 919947973 , 772766525 , 525019749 , 7351153443
n×2
77371978
n×3
116057967
n×4
154743956
n×5
193429945
n÷2
19342994.5
n÷3
12895329.666667
n÷3
9671497.25
n÷5
7737197.8
n2
1496605744908121
n3
5.7897673384852E+22
n4
2.239828755692E+30
n5
8.6649990604584E+37
2 √n
6219.806186691
3 √n
338.20853872324
4 √n
78.865747867443
5 √n
32.923859583071
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
-38685988
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 38685989 can be divided by 4 positive divisors.
The sum of these divisors (counting 38685989) is 1, the average is 0.25.
Base
System
Value
2
Binary
10010011100100110100100101
3
Ternary
2200210110012102
4
Quaternary
2103210310211
5
Quinary
34400422424
6
Senary
3501101445
8
Octal
223446445
10
Decimal
38685989
12
Duodecimal
10b57885
16
Hexadecimal
24e4d25
20
Vigesimal
c1fej9
36
Base36
n16at
md5
2c8056c3de8cb3cedbf154185fc34f7e
sha1
aeea969e991448abac0d468bfeb44bea6806f091
sha256
7a1e281dd2711d776841912c6a588e73eaaae188567b19842c2313fcd63ffc17
sha512
eabf062e8dd94cd434385c7dd3d0ca27b882720b2919bf7950f3723c7d6ebe7d86d218f31e7c3a277ad61b241d8ac719cb6560fa5f9c7a725ddbda18ebafcca7
ripemd-160
1bd000d2682ef876c494477bfe7c9fa5977da24e
Diameter
77371978
Circumference
243071237.67851
Area
4.7017256135236E+15
Volume
2.4252120715439E+23
Surface area
1.8806902454095E+16
Circumference
243071237.67851
Perimeter
154743956
Area
1496605744908121
Diagonal
54710250.317616
Surface area
8979634469448726
Volume
5.7897673384852E+22
Space diagonal
67006098.489051
Perimeter
116057967
Area
6.4804929727008E+14
Altitude
33503049.244525
Surface area
6.4804929727008E+14
Volume
6.8233062442255E+21
Height
18236750.105872