388655389 is an odd 9-digits prime number following 388655388
and preceding 388655390 . In scientific notation, it is written as 3.88655389 × 10^8.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 388655388 positive integers (up to 388655389) that are relatively prime to 388655389.
388655389 has 2 divisors, whose sum is 388655390
The reverse of 388655389 is 983556883
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred eighty-eight million six hundred fifty-five thousand three hundred eighty-nine
Scientific notation
3.88655389 × 10^8
Engineering notation
3.88655389 × 10^6
Prime Factorization
388655389
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
388655389
Product of the distinct prime numbers
The prime factorization of 388655389 is 388655389.
Since it has a total of 1 prime factors.
5 , 6 , 24 , 11 , 34 , 30 , 3995 , 614 , 36740 , 73700 , 265626 , 689727 , 6377765 , 1802252 , 11474714 , 54575727 , 436427544 , 101666331 , 313058786 , 4231896001
n×2
777310778
n×3
1165966167
n×4
1554621556
n×5
1943276945
n÷2
194327694.5
n÷3
129551796.33333
n÷3
97163847.25
n÷5
77731077.8
n2
151053011398741321
n3
5.8707566904799E+25
n4
2.2817012252628E+34
n5
8.867954772863E+42
2 √n
19714.344751982
3 √n
729.77373922365
4 √n
140.40778024021
5 √n
52.229147689083
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
388655390
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
194327695
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19714.344777344
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999948541
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388655389 can be divided by 2 positive divisors.
The sum of these divisors (counting 388655389) is 388655390, the average is 194327695.
Base
System
Value
2
Binary
10111001010100110100100011101
3
Ternary
1000002022201222001
4
Quaternary
113022212210131
5
Quinary
1243443433024
6
Senary
102322122301
8
Octal
2712464435
10
Decimal
388655389
12
Duodecimal
aa1b0391
16
Hexadecimal
172a691d
20
Vigesimal
6191i99
36
Base36
6fe8f1
md5
3c1a166105c988a8297208e455af8d10
sha1
21715f03e0c93897107ff56066b1e3c1cdf3b578
sha256
337be3094ea4b98d79b6bf7e73414a55a263ac59cd8b3eb933a5071ff133b09d
sha512
7359aabeee6904bff4a676e513082bc31898130e58892dfd7a0cbbaac1c824c320282a27139a9b76ecb039b393fc16b66200fa6e469f8ea4ca54897699d16cb6
ripemd-160
d978832ced69de2a4ff957eb6112986892e2c858
Diameter
777310778
Circumference
2441993829.721
Area
4.745470309129E+17
Volume
2.4591368119766E+26
Surface area
1.8981881236516E+18
Circumference
2441993829.721
Perimeter
1554621556
Area
151053011398741321
Diagonal
549641722.21319
Surface area
906318068392447926
Volume
5.8707566904799E+25
Space diagonal
673170880.38345
Perimeter
1165966167
Area
6.5407872594725E+16
Altitude
336585440.19172
Surface area
6.5407872594725E+16
Volume
6.9187531108911E+24
Height
183213907.4044