388398889 is an odd 9-digits composite number following 388398888
and preceding 388398890 . In scientific notation, it is written as 3.88398889 × 10^8.
The sum of its digits is 64. It has a total of 2 prime factors and 4 positive divisors.
There are 384627924 positive integers (up to 388398889) that are relatively prime to 388398889.
388398889 has 4 divisors, whose sum is 392169856
The reverse of 388398889 is 988893883
Previous prime number is 103
Is Prime? no Number parity odd Number length 9 Sum of Digits 64 Digital Root 1
Name
three hundred eighty-eight million three hundred ninety-eight thousand eight hundred eighty-nine
Scientific notation
3.88398889 × 10^8
Engineering notation
3.88398889 × 10^6
Prime Factorization
103 × 3770863
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
388398889 Product of the distinct prime numbers
The prime factorization of 388398889 is 103 × 3770863.
Since it has a total of 2 prime factors.
6 , 2 , 26 , 41 , 164 , 536 , 4335 , 698 , 60342 , 96698 , 505912 , 820130 , 4162855 , 240824 , 24737077 , 26219422 , 503767420 , 444163273 , 3892825463 , 202464557
n×2
776797778
n×3
1165196667
n×4
1553595556
n×5
1941994445
n÷2
194199444.5
n÷3
129466296.33333
n÷3
97099722.25
n÷5
77679777.8
n2
150853696976434321
n3
5.859140830719E+25
n4
2.2756837891458E+34
n5
8.8387305541953E+42
2 √n19707.838262986
3 √n729.61316152969
4 √n140.384608355
5 √n52.22225195845
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
-388398888 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 388398889 can be divided by 4 positive divisors.
The sum of these divisors (counting 388398889) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001001100111111100101001
3
Ternary
1000001211201010001
4
Quaternary
113021213330221
5
Quinary
1243412231024
6
Senary
102312423001
8
Octal
2711477451
10
Decimal
388398889
12
Duodecimal
aa0a7a61
16
Hexadecimal
17267f29
20
Vigesimal
6179h49
36
Base36
6f8qi1
md5
90154eb3bb802fc3df57f6c76d2ad9d5
sha1
69aaaf53363634a4f32dd1e13f7d0a7a5a1063bf
sha256
16057a15346cc752063e571b09c9342b35409a4abb97f039087e7569b65b782e
sha512
366a8949b3f0650dd82168b769732d0f512f88af63b6f064b0f283f800a4a2aa7d3d439b93c74f67e82708c92c63d4050f3de9284ece0fd93d11b90fa232908c
ripemd-160
0422edc2b83f7fa8b40a44d7e613c56d000f2ab2
Diameter
776797778
Circumference
2440382192.6897
Area
4.7392086618803E+17
Volume
2.454271172018E+26
Surface area
1.8956834647521E+18
Circumference
2440382192.6897
Perimeter
1553595556
Area
150853696976434321
Diagonal
549278976.43444
Surface area
905122181858605926
Volume
5.859140830719E+25
Space diagonal
672726609.3513
Perimeter
1165196667
Area
6.5321566918196E+16
Altitude
336363304.67565
Surface area
6.5321566918196E+16
Volume
6.9050636888806E+24
Height
183092992.14481