388638630 is an even 9-digits composite number following 388638629
and preceding 388638631 . In scientific notation, it is written as 3.88638630 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 100293120 positive integers (up to 388638630) that are relatively prime to 388638630.
388638630 has 16 divisors, whose sum is 615139968
The reverse of 388638630 is 036836883
Previous prime number is 31
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
three hundred eighty-eight million six hundred thirty-eight thousand six hundred thirty
Scientific notation
3.88638630 × 10^8
Engineering notation
3.88638630 × 10^6
Prime Factorization
2 × 45 × 31 × 139297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388638630
Product of the distinct prime numbers
The prime factorization of 388638630 is 2 × 45 × 31 × 139297.
Since it has a total of 4 prime factors.
8 , 8 , 42 , 2 , 616 , 430 , 6424 , 723 , 87786 , 62821 , 50018 , 847064 , 3409048 , 739210 , 50158206 , 3491182 , 246489772 , 374763174 , 772939607 , 1982305229
n×2
777277260
n×3
1165915890
n×4
1554554520
n×5
1943193150
n÷2
194319315
n÷3
129546210
n÷3
97159657.5
n÷5
77727726
n2
151039984728276900
n3
5.8699972740018E+25
n4
2.2813076986718E+34
n5
8.8660429862027E+42
2 √n
19713.919701571
3 √n
729.76324967924
4 √n
140.40626660364
5 √n
52.228697252316
1 , 2 , 31 , 45 , 62 , 90 , 1395 , 2790 , 139297 , 278594 , 4318207 , 6268365 , 8636414 , 12536730 , 194319315 , 388638630
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388638629
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388638630 can be divided by 16 positive divisors.
The sum of these divisors (counting 388638630) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010100010011110100110
3
Ternary
1000002021212222100
4
Quaternary
113022202132212
5
Quinary
1243442414010
6
Senary
102321512530
8
Octal
2712423646
10
Decimal
388638630
12
Duodecimal
aa1a2746
16
Hexadecimal
172a27a6
20
Vigesimal
618jgba
36
Base36
6fdvhi
md5
2fc913c0e71e499806554211c40cffad
sha1
76bae68c452ee85a153e7dc84ce3d3d98cd5265e
sha256
f0e3b7ab208f4378050e3f63d0330d660b53aa4ad2f3ef86c1e3ace370a771bc
sha512
6786149c67be6b4b73e1c1d2b1c2e477596f12a96fa33e6e0d8a22b113174b61e64bed3c796088e078db4227e9d3f62b064f3ccdf2ef999b5e46759aafa98c5b
ripemd-160
1682f0fe4087dcbca2832ce1c5b012f272e63d87
Diameter
777277260
Circumference
2441888529.8184
Area
4.7450610642067E+17
Volume
2.4588187083462E+26
Surface area
1.8980244256827E+18
Circumference
2441888529.8184
Perimeter
1554554520
Area
151039984728276900
Diagonal
549618021.4081
Surface area
906239908369661400
Volume
5.8699972740018E+25
Space diagonal
673141852.94396
Perimeter
1165915890
Area
6.5402231880951E+16
Altitude
336570926.47198
Surface area
6.5402231880951E+16
Volume
6.9178581299888E+24
Height
183206007.13603