388638436 is an even 9-digits composite number following 388638435
and preceding 388638437 . In scientific notation, it is written as 3.88638436 × 10^8.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 192135680 positive integers (up to 388638436) that are relatively prime to 388638436.
388638436 has 12 divisors, whose sum is 687759660
The reverse of 388638436 is 634836883
Previous prime number is 89
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
three hundred eighty-eight million six hundred thirty-eight thousand four hundred thirty-six
Scientific notation
3.88638436 × 10^8
Engineering notation
3.88638436 × 10^6
Prime Factorization
2 × 2 × 89 × 1091681
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
194319218
Product of the distinct prime numbers
The prime factorization of 388638436 is 2 × 2 × 89 × 1091681.
Since it has a total of 4 prime factors.
2 , 6 , 25 , 100 , 457 , 836 , 1509 , 5901 , 6904 , 27417 , 454479 , 714121 , 6850647 , 389857 , 89980899 , 32880033 , 315627652 , 281933320 , 2301002731 , 4276093783
n×2
777276872
n×3
1165915308
n×4
1554553744
n×5
1943192180
n÷2
194319218
n÷3
129546145.33333
n÷3
97159609
n÷5
77727687.2
n2
151039833936526096
n3
5.8699884834791E+25
n4
2.2813031435573E+34
n5
8.8660208575401E+42
2 √n
19713.914781189
3 √n
729.76312825188
4 √n
140.40624908169
5 √n
52.228692038028
1 , 2 , 4 , 89 , 178 , 356 , 1091681 , 2183362 , 4366724 , 97159609 , 194319218 , 388638436
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
-388638435
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 388638436 can be divided by 12 positive divisors.
The sum of these divisors (counting 388638436) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001010100010011011100100
3
Ternary
1000002021212201011
4
Quaternary
113022202123210
5
Quinary
1243442412221
6
Senary
102321512004
8
Octal
2712423344
10
Decimal
388638436
12
Duodecimal
aa1a2604
16
Hexadecimal
172a26e4
20
Vigesimal
618jg1g
36
Base36
6fdvc4
md5
9ca53e52ea72cea257741ff7e79b9e50
sha1
81bef7c37c522ad3222eba311dac6107f9b5d4c7
sha256
951bd295741a31e11445053cc73af66c47ba9084463935f2f72acf2f5b5180ea
sha512
fb504bfb19f9d0a6599ea23687db0200fc7dfce16484dc51e9ee2e97ffc99395ba5fa701be370426b8d644a656d0281e40e0280241f2d1c8e93eabcacec66356
ripemd-160
93b06e0df1a4817cdfaa3fd4590a4da80b26b601
Diameter
777276872
Circumference
2441887310.8805
Area
4.7450563269441E+17
Volume
2.4588150261806E+26
Surface area
1.8980225307777E+18
Circumference
2441887310.8805
Perimeter
1554553744
Area
151039833936526096
Diagonal
549617747.05067
Surface area
906239003619156576
Volume
5.8699884834791E+25
Space diagonal
673141516.92611
Perimeter
1165915308
Area
6.5402166586207E+16
Altitude
336570758.46305
Surface area
6.5402166586207E+16
Volume
6.9178477702584E+24
Height
183205915.68356