388289161 is an odd 9-digits composite number following 388289160
and preceding 388289162 . In scientific notation, it is written as 3.88289161 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 356778864 positive integers (up to 388289161) that are relatively prime to 388289161.
388289161 has 8 divisors, whose sum is 392376320
The reverse of 388289161 is 161982883
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
three hundred eighty-eight million two hundred eighty-nine thousand one hundred sixty-one
Scientific notation
3.88289161 × 10^8
Engineering notation
3.88289161 × 10^6
Prime Factorization
169 × 223 × 10303
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388289161
Product of the distinct prime numbers
The prime factorization of 388289161 is 169 × 223 × 10303.
Since it has a total of 3 prime factors.
7 , 8 , 7 , 58 , 683 , 798 , 7317 , 3325 , 74111 , 21589 , 559353 , 228983 , 2976533 , 1715233 , 36353480 , 59983289 , 387510168 , 700496021 , 2455986013 , 4885398905
n×2
776578322
n×3
1164867483
n×4
1553156644
n×5
1941445805
n÷2
194144580.5
n÷3
129429720.33333
n÷3
97072290.25
n÷5
77657832.2
n2
150768472550083921
n3
5.8541763711724E+25
n4
2.2731132315085E+34
n5
8.8262522952045E+42
2 √n
19705.054199367
3 √n
729.54444649154
4 √n
140.37469216126
5 √n
52.219300924817
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388289160
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388289161 can be divided by 8 positive divisors.
The sum of these divisors (counting 388289161) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001001001101001010001001
3
Ternary
1000001122010121001
4
Quaternary
113021031022021
5
Quinary
1243400223121
6
Senary
102310215001
8
Octal
2711151211
10
Decimal
388289161
12
Duodecimal
aa054461
16
Hexadecimal
1724d289
20
Vigesimal
616g2i1
36
Base36
6f6du1
md5
8e45d642dc710e44e04b38f29927df9d
sha1
d14546c3c3804bdef6464b4d22221b74c1504d77
sha256
248b68abf46bdd79cd657a5c7658837beeb789f7c2bbc7ace3b9eaf12f73e60b
sha512
8a6de20b8517df5053cc5867e9acbc82424879faf99fb5197ef56155bf306c2226d855f30edde822138847d2188ae2da394684d2372603d8dd002776271683e9
ripemd-160
d471f5ead82e6a9008622a42df39835732cd2d04
Diameter
776578322
Circumference
2439692751.3323
Area
4.736531257563E+17
Volume
2.4521916640659E+26
Surface area
1.8946125030252E+18
Circumference
2439692751.3323
Perimeter
1553156644
Area
150768472550083921
Diagonal
549123797.60867
Surface area
904610835300503526
Volume
5.8541763711724E+25
Space diagonal
672536554.88029
Perimeter
1164867483
Area
6.5284663659075E+16
Altitude
336268277.44015
Surface area
6.5284663659075E+16
Volume
6.8992130171967E+24
Height
183041265.86956