388638086 is an even 9-digits composite number following 388638085
and preceding 388638087 . In scientific notation, it is written as 3.88638086 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 194319042 positive integers (up to 388638086) that are relatively prime to 388638086.
388638086 has 4 divisors, whose sum is 582957132
The reverse of 388638086 is 680836883
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred eighty-eight million six hundred thirty-eight thousand eighty-six
Scientific notation
3.88638086 × 10^8
Engineering notation
3.88638086 × 10^6
Prime Factorization
2 × 194319043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388638086
Product of the distinct prime numbers
The prime factorization of 388638086 is 2 × 194319043.
Since it has a total of 2 prime factors.
10 , 4 , 70 , 61 , 56 , 810 , 5866 , 3249 , 72005 , 91357 , 494715 , 857685 , 8938554 , 1688384 , 55886138 , 33428593 , 962921733 , 926647541 , 1364769065 , 3122186982
n×2
777276172
n×3
1165914258
n×4
1554552344
n×5
1943190430
n÷2
194319043
n÷3
129546028.66667
n÷3
97159521.5
n÷5
77727617.2
n2
151039561889743396
n3
5.8699726243108E+25
n4
2.2812949255846E+34
n5
8.865980934807E+42
2 √n
19713.905904209
3 √n
729.76290918179
4 √n
140.40621746991
5 √n
52.228682630802
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388638085
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388638086 can be divided by 4 positive divisors.
The sum of these divisors (counting 388638086) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010100010010110000110
3
Ternary
1000002021212020012
4
Quaternary
113022202112012
5
Quinary
1243442404321
6
Senary
102321510222
8
Octal
2712422606
10
Decimal
388638086
12
Duodecimal
aa1a2372
16
Hexadecimal
172a2586
20
Vigesimal
618jf46
36
Base36
6fdv2e
md5
109e9274077979c92ee0f0573f3ac908
sha1
e1f9a16d1f57436069ff47ed4093e2f936f77037
sha256
96213b23ddbe6effbd95c37b2c57e5a35b0d29e25e22d84f939ad97b9a6f4873
sha512
5d4b094aae9ecc9090fc4a38c678a0a7c25b8d3c0da3e25a4232a338609b12e4e5831d171a149709bf12c40b15caccab3f721265b9ccbb2fd3b1d426deeabf52
ripemd-160
7e06e016d69e7ce273f2c89e451dc3b2c4085490
Diameter
777276172
Circumference
2441885111.7656
Area
4.7450477803424E+17
Volume
2.4588083831078E+26
Surface area
1.898019112137E+18
Circumference
2441885111.7656
Perimeter
1554552344
Area
151039561889743396
Diagonal
549617252.07592
Surface area
906237371338460376
Volume
5.8699726243108E+25
Space diagonal
673140910.70832
Perimeter
1165914258
Area
6.5402048786495E+16
Altitude
336570455.35416
Surface area
6.5402048786495E+16
Volume
6.9178290800493E+24
Height
183205750.69197