388655109 is an odd 9-digits composite number following 388655108
and preceding 388655110 . In scientific notation, it is written as 3.88655109 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 259021224 positive integers (up to 388655109) that are relatively prime to 388655109.
388655109 has 12 divisors, whose sum is 561568800
The reverse of 388655109 is 901556883
Previous prime number is 4919
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
three hundred eighty-eight million six hundred fifty-five thousand one hundred nine
Scientific notation
3.88655109 × 10^8
Engineering notation
3.88655109 × 10^6
Prime Factorization
3 × 3 × 4919 × 8779
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129551703
Product of the distinct prime numbers
The prime factorization of 388655109 is 3 × 3 × 4919 × 8779.
Since it has a total of 4 prime factors.
2 , 7 , 62 , 66 , 888 , 631 , 6729 , 2060 , 56444 , 21465 , 770111 , 445757 , 8400146 , 1111954 , 18494738 , 84379606 , 504500409 , 961988198 , 3851282260 , 5211634384
n×2
777310218
n×3
1165965327
n×4
1554620436
n×5
1943275545
n÷2
194327554.5
n÷3
129551703
n÷3
97163777.25
n÷5
77731021.8
n2
151052793751801881
n3
5.8707440020361E+25
n4
2.2816946500224E+34
n5
8.8679228290919E+42
2 √n
19714.337650553
3 √n
729.77356397269
4 √n
140.40775495161
5 √n
52.229140163565
1 , 3 , 9 , 4919 , 8779 , 14757 , 26337 , 44271 , 79011 , 43183901 , 129551703 , 388655109
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388655108
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388655109 can be divided by 12 positive divisors.
The sum of these divisors (counting 388655109) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001010100110100000000101
3
Ternary
1000002022201120200
4
Quaternary
113022212200011
5
Quinary
1243443430414
6
Senary
102322121113
8
Octal
2712464005
10
Decimal
388655109
12
Duodecimal
aa1b0199
16
Hexadecimal
172a6805
20
Vigesimal
6191hf9
36
Base36
6fe879
md5
421135a656ad2245594ca2efaa9041cc
sha1
6ea566f7a20240d33c8d940ccda988282916fe32
sha256
e39ce4c23bd2a698e4c0adf3689099ee68aef79643f34f0f92d90eeecd2ef2b8
sha512
4283e677e2d8663eabe715a1d146e44866a6b27f46ff834f274947aaa9aace0321eb50918525b9da585908523fd309d173b1ace275a2b8b4367a33eda9ba7429
ripemd-160
85b7919a81e26f3d36232a8e21d04ff5068d5730
Diameter
777310218
Circumference
2441992070.4291
Area
4.7454634715488E+17
Volume
2.4591314970537E+26
Surface area
1.8981853886195E+18
Circumference
2441992070.4291
Perimeter
1554620436
Area
151052793751801881
Diagonal
549641326.23339
Surface area
906316762510811286
Volume
5.8707440020361E+25
Space diagonal
673170395.40922
Perimeter
1165965327
Area
6.5407778350836E+16
Altitude
336585197.70461
Surface area
6.5407778350836E+16
Volume
6.9187381574166E+24
Height
183213775.41113