388638085 is an odd 9-digits composite number following 388638084
and preceding 388638086 . In scientific notation, it is written as 3.88638085 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 276054240 positive integers (up to 388638085) that are relatively prime to 388638085.
388638085 has 8 divisors, whose sum is 466486560
The reverse of 388638085 is 580836883
Previous prime number is 5203
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
three hundred eighty-eight million six hundred thirty-eight thousand eighty-five
Scientific notation
3.88638085 × 10^8
Engineering notation
3.88638085 × 10^6
Prime Factorization
5 × 5203 × 14939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
388638085
Product of the distinct prime numbers
The prime factorization of 388638085 is 5 × 5203 × 14939.
Since it has a total of 3 prime factors.
9 , 5 , 89 , 17 , 288 , 805 , 7922 , 4514 , 80799 , 796 , 16120 , 273635 , 6791155 , 3882953 , 82709465 , 48828865 , 156148686 , 394410690 , 880909300 , 9083624756
n×2
777276170
n×3
1165914255
n×4
1554552340
n×5
1943190425
n÷2
194319042.5
n÷3
129546028.33333
n÷3
97159521.25
n÷5
77727617
n2
151039561112467225
n3
5.869972578999E+25
n4
2.2812949021047E+34
n5
8.8659808207422E+42
2 √n
19713.905878846
3 √n
729.76290855587
4 √n
140.40621737959
5 √n
52.228682603924
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
-388638084
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 388638085 can be divided by 8 positive divisors.
The sum of these divisors (counting 388638085) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111001010100010010110000101
3
Ternary
1000002021212020011
4
Quaternary
113022202112011
5
Quinary
1243442404320
6
Senary
102321510221
8
Octal
2712422605
10
Decimal
388638085
12
Duodecimal
aa1a2371
16
Hexadecimal
172a2585
20
Vigesimal
618jf45
36
Base36
6fdv2d
md5
a30efcb7d9de91451874c56b133bcd85
sha1
4b1f9048c1af770fb6976be6cef779641f95f929
sha256
4bfda2754a7d08793f9613380259767a3e8c79bb500c9204bafd5837016fe8f6
sha512
b90cff1d74f2da70737efaa95f6c713ed34709daf374cfb500f61683ebe4c7823a3d48c1a0f2251efdba63335a1748c2f163f5e01a48999bc3a5809e174ddaca
ripemd-160
224964f83b758cdedb474ff07d894ad9712ef078
Diameter
777276170
Circumference
2441885105.4824
Area
4.7450477559235E+17
Volume
2.4588083641276E+26
Surface area
1.8980191023694E+18
Circumference
2441885105.4824
Perimeter
1554552340
Area
151039561112467225
Diagonal
549617250.66171
Surface area
906237366674803350
Volume
5.869972578999E+25
Space diagonal
673140908.97627
Perimeter
1165914255
Area
6.5402048449924E+16
Altitude
336570454.48814
Surface area
6.5402048449924E+16
Volume
6.9178290266488E+24
Height
183205750.22057