388632638 is an even 9-digits composite number following 388632637
and preceding 388632639 . In scientific notation, it is written as 3.88632638 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 194316318 positive integers (up to 388632638) that are relatively prime to 388632638.
388632638 has 4 divisors, whose sum is 582948960
The reverse of 388632638 is 836236883
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
three hundred eighty-eight million six hundred thirty-two thousand six hundred thirty-eight
Scientific notation
3.88632638 × 10^8
Engineering notation
3.88632638 × 10^6
Prime Factorization
2 × 194316319
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388632638
Product of the distinct prime numbers
The prime factorization of 388632638 is 2 × 194316319.
Since it has a total of 2 prime factors.
7 , 4 , 4 , 83 , 617 , 285 , 3033 , 97 , 43255 , 46879 , 41306 , 999930 , 8391464 , 7729578 , 25383633 , 98224401 , 546608670 , 483541015 , 5133301332 , 1910916096
n×2
777265276
n×3
1165897914
n×4
1554530552
n×5
1943163190
n÷2
194316319
n÷3
129544212.66667
n÷3
97158159.5
n÷5
77726527.6
n2
151035327318839044
n3
5.8697257687114E+25
n4
2.2811670098309E+34
n5
8.8653595274915E+42
2 √n
19713.767727149
3 √n
729.7594991824
4 √n
140.4057254073
5 √n
52.228536199729
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
-388632637
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 388632638 can be divided by 4 positive divisors.
The sum of these divisors (counting 388632638) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010100001000000111110
3
Ternary
1000002021120202102
4
Quaternary
113022201000332
5
Quinary
1243442221023
6
Senary
102321425102
8
Octal
2712410076
10
Decimal
388632638
12
Duodecimal
aa19b192
16
Hexadecimal
172a103e
20
Vigesimal
618j1bi
36
Base36
6fdqv2
md5
b02d557714ac86f397f10b8296ba87a6
sha1
c644b08b860caa350c538298911d9175d75624a2
sha256
87795d1b9188c5da6bcdca4311bfe7a69b1fff6ef3acfc6e4ba6a0bd269748ce
sha512
9405b35ab03f1f922d12b781cff8c30b1706c4789370bc0f7b0cba418597554099d5624d3fbb408a20b9f801448fa0be871a4873e88bec263007c558d5e47f34
ripemd-160
438ea9fb24a15ec8e2deda7a28eec549e83cfbf9
Diameter
777265276
Circumference
2441850880.972
Area
4.7449147473739E+17
Volume
2.4587049804761E+26
Surface area
1.8979658989496E+18
Circumference
2441850880.972
Perimeter
1554530552
Area
151035327318839044
Diagonal
549609547.44043
Surface area
906211963913034264
Volume
5.8697257687114E+25
Space diagonal
673131474.49552
Perimeter
1165897914
Area
6.5400215163506E+16
Altitude
336565737.24776
Surface area
6.5400215163506E+16
Volume
6.9175381579354E+24
Height
183203182.48014