388444989 is an odd 9-digits composite number following 388444988
and preceding 388444990 . In scientific notation, it is written as 3.88444989 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 251074992 positive integers (up to 388444989) that are relatively prime to 388444989.
388444989 has 16 divisors, whose sum is 533910528
The reverse of 388444989 is 989444883
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred eighty-eight million four hundred forty-four thousand nine hundred eighty-nine
Scientific notation
3.88444989 × 10^8
Engineering notation
3.88444989 × 10^6
Prime Factorization
3 × 47 × 107 × 25747
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388444989
Product of the distinct prime numbers
The prime factorization of 388444989 is 3 × 47 × 107 × 25747.
Since it has a total of 4 prime factors.
7 , 3 , 87 , 94 , 118 , 372 , 3099 , 3358 , 48388 , 61797 , 565529 , 418059 , 4792732 , 3782999 , 68606296 , 8823873 , 274903580 , 403214081 , 1939597662 , 7353006956
n×2
776889978
n×3
1165334967
n×4
1553779956
n×5
1942224945
n÷2
194222494.5
n÷3
129481663
n÷3
97111247.25
n÷5
77688997.8
n2
150889509479210121
n3
5.8612273849867E+25
n4
2.2767644070877E+34
n5
8.8439772506676E+42
2 √n
19709.007813688
3 √n
729.64202690242
4 √n
140.38877381645
5 √n
52.223491576581
1 , 3 , 47 , 107 , 141 , 321 , 5029 , 15087 , 25747 , 77241 , 1210109 , 2754929 , 3630327 , 8264787 , 129481663 , 388444989
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388444988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388444989 can be divided by 16 positive divisors.
The sum of these divisors (counting 388444989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001001110011001100111101
3
Ternary
1000001221001100110
4
Quaternary
113021303030331
5
Quinary
1243420214424
6
Senary
102313420233
8
Octal
2711631475
10
Decimal
388444989
12
Duodecimal
aa10a679
16
Hexadecimal
1727333d
20
Vigesimal
617fc99
36
Base36
6f9q2l
md5
9ca01942b6f0c94d13be5f586916fdf5
sha1
7420579b07c58276fd123f5ec39d2a4b6f99bb9a
sha256
a97a534b531bea09ae7be6deefc32573663c68ab2f28519552cfc65fada5371d
sha512
7a203ae39fd7b40790e44f9f970f20940d8b3fb2627149242d94c29308110fc74f68105a497df791b8f9c1103069bac6d3f51fa31979987444cc028b5d4d3bbe
ripemd-160
fded3c533ca53155f763b2c57fa98086460f4dbc
Diameter
776889978
Circumference
2440671847.5323
Area
4.7403337448365E+17
Volume
2.4551451858258E+26
Surface area
1.8961334979346E+18
Circumference
2440671847.5323
Perimeter
1553779956
Area
150889509479210121
Diagonal
549344171.67967
Surface area
905337056875260726
Volume
5.8612273849867E+25
Space diagonal
672806456.89353
Perimeter
1165334967
Area
6.5337074186784E+16
Altitude
336403228.44677
Surface area
6.5337074186784E+16
Volume
6.9075227166673E+24
Height
183114723.89322