388638430 is an even 9-digits composite number following 388638429
and preceding 388638431 . In scientific notation, it is written as 3.88638430 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 155384352 positive integers (up to 388638430) that are relatively prime to 388638430.
388638430 has 16 divisors, whose sum is 699868800
The reverse of 388638430 is 034836883
Previous prime number is 2557
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
three hundred eighty-eight million six hundred thirty-eight thousand four hundred thirty
Scientific notation
3.88638430 × 10^8
Engineering notation
3.88638430 × 10^6
Prime Factorization
2 × 5 × 2557 × 15199
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388638430
Product of the distinct prime numbers
The prime factorization of 388638430 is 2 × 5 × 2557 × 15199.
Since it has a total of 4 prime factors.
6 , 3 , 30 , 1 , 138 , 471 , 3374 , 1545 , 12796 , 65165 , 160700 , 733859 , 6171767 , 8869427 , 79516452 , 32532388 , 404555936 , 196182954 , 6850628919 , 2709231253
n×2
777276860
n×3
1165915290
n×4
1554553720
n×5
1943192150
n÷2
194319215
n÷3
129546143.33333
n÷3
97159607.5
n÷5
77727686
n2
151039829272864900
n3
5.8699882116074E+25
n4
2.2813030026776E+34
n5
8.8660201731492E+42
2 √n
19713.914629013
3 √n
729.76312449639
4 √n
140.40624853977
5 √n
52.228691876761
1 , 2 , 5 , 10 , 2557 , 5114 , 12785 , 15199 , 25570 , 30398 , 75995 , 151990 , 38863843 , 77727686 , 194319215 , 388638430
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
-388638429
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 388638430 can be divided by 16 positive divisors.
The sum of these divisors (counting 388638430) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010100010011011011110
3
Ternary
1000002021212200221
4
Quaternary
113022202123132
5
Quinary
1243442412210
6
Senary
102321511554
8
Octal
2712423336
10
Decimal
388638430
12
Duodecimal
aa1a25ba
16
Hexadecimal
172a26de
20
Vigesimal
618jg1a
36
Base36
6fdvby
md5
746313ad59c69900e7feb7518d737311
sha1
86dfe70c446af66d4edfabd4d4a9cc31cb0090b7
sha256
ca1ac0f08c5ce6f44c011d054ff086659a8ddc7d666f577592efe8d59f7ed9ff
sha512
76c078476245fedd780ac37886d8ad69551543a356023d5cd9a56ad0aadfc51586047ee9f12d98438eff97cb55c845692d5b9f1cb9b930dfab8ddc197b8abde9
ripemd-160
a235d13a1cd771d2c8eaeabfe878a56af604ebda
Diameter
777276860
Circumference
2441887273.1813
Area
4.7450561804309E+17
Volume
2.4588149122993E+26
Surface area
1.8980224721724E+18
Circumference
2441887273.1813
Perimeter
1554553720
Area
151039829272864900
Diagonal
549617738.56539
Surface area
906238975637189400
Volume
5.8699882116074E+25
Space diagonal
673141506.5338
Perimeter
1165915290
Area
6.5402164566783E+16
Altitude
336570753.2669
Surface area
6.5402164566783E+16
Volume
6.9178474498545E+24
Height
183205912.85513