38861945 is an odd 8-digits composite number following 38861944
and preceding 38861946 . In scientific notation, it is written as 3.8861945 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 31089552 positive integers (up to 38861945) that are relatively prime to 38861945.
38861945 has 4 divisors, whose sum is 46634340
The reverse of 38861945 is 54916883
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
thirty-eight million eight hundred sixty-one thousand nine hundred forty-five
Scientific notation
3.8861945 × 10^7
Engineering notation
3.8861945 × 10^6
Prime Factorization
5 × 7772389
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
38861945
Product of the distinct prime numbers
The prime factorization of 38861945 is 5 × 7772389.
Since it has a total of 2 prime factors.
4 , 5 , 31 , 64 , 154 , 56 , 269 , 2628 , 95736 , 97577 , 278748 , 324632 , 7441971 , 1596947 , 34395667 , 13467578 , 211136796 , 398511320 , 8981894764 , 6279142742
n×2
77723890
n×3
116585835
n×4
155447780
n×5
194309725
n÷2
19430972.5
n÷3
12953981.666667
n÷3
9715486.25
n÷5
7772389
n2
1510250769183025
n3
5.8691282328198E+22
n4
2.2808573858179E+30
n5
8.86385542805E+37
2 √n
6233.9349531416
3 √n
338.72052275468
4 √n
78.955271851483
5 √n
32.953754849196
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
-38861944
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 38861945 can be divided by 4 positive divisors.
The sum of these divisors (counting 38861945) is 1, the average is 0.25.
Base
System
Value
2
Binary
10010100001111110001111001
3
Ternary
2201010101120022
4
Quaternary
2110033301321
5
Quinary
34422040240
6
Senary
3504540225
8
Octal
224176171
10
Decimal
38861945
12
Duodecimal
11021675
16
Hexadecimal
250fc79
20
Vigesimal
c2heh5
36
Base36
n4y2h
md5
2a89150da37f241a5f8eb4f0fd0a2d98
sha1
0657927d103af59920d642ccfa7872a11f04f309
sha256
4d8da3163ddb413a1253739650b670b3f8840b4a797a16b2d7ea840bec4cc2f5
sha512
4f6255289673bf227e30950d7ef95393a99c41eb059cfce2e97aab0d5a491564132cd1fe4087dd929e034cfb387138a08a9ac6b7e353bf9825790c2a1bafbb12
ripemd-160
5f9d66e9482f1cc51c88dff0710c8731233e1656
Diameter
77723890
Circumference
244176801.83242
Area
4.7445927215437E+15
Volume
2.4584546852271E+23
Surface area
1.8978370886175E+16
Circumference
244176801.83242
Perimeter
155447780
Area
1510250769183025
Diagonal
54959089.679197
Surface area
9061504615098150
Volume
5.8691282328198E+22
Space diagonal
67310863.220947
Perimeter
116585835
Area
6.5395776609874E+14
Altitude
33655431.610474
Surface area
6.5395776609874E+14
Volume
6.9168339551339E+21
Height
18319696.559732