388637242 is an even 9-digits composite number following 388637241
and preceding 388637243 . In scientific notation, it is written as 3.88637242 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 166262688 positive integers (up to 388637242) that are relatively prime to 388637242.
388637242 has 16 divisors, whose sum is 667419840
The reverse of 388637242 is 242736883
Previous prime number is 569
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-seven thousand two hundred forty-two
Scientific notation
3.88637242 × 10^8
Engineering notation
3.88637242 × 10^6
Prime Factorization
2 × 7 × 569 × 48787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388637242
Product of the distinct prime numbers
The prime factorization of 388637242 is 2 × 7 × 569 × 48787.
Since it has a total of 4 prime factors.
7 , 10 , 46 , 48 , 192 , 640 , 9116 , 4721 , 68721 , 14344 , 827286 , 917690 , 2052421 , 9486897 , 33529147 , 9526625 , 422045462 , 683496320 , 6415362704 , 5951212843
n×2
777274484
n×3
1165911726
n×4
1554548968
n×5
1943186210
n÷2
194318621
n÷3
129545747.33333
n÷3
97159310.5
n÷5
77727448.4
n2
151038905869366564
n3
5.8699343811768E+25
n4
2.2812751086215E+34
n5
8.8658846645792E+42
2 √n
19713.884497988
3 √n
729.76238090937
4 √n
140.40614124029
5 √n
52.228659945919
1 , 2 , 7 , 14 , 569 , 1138 , 3983 , 7966 , 48787 , 97574 , 341509 , 683018 , 27759803 , 55519606 , 194318621 , 388637242
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
-388637241
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 388637242 can be divided by 16 positive divisors.
The sum of these divisors (counting 388637242) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010100010001000111010
3
Ternary
1000002021211001221
4
Quaternary
113022202020322
5
Quinary
1243442342432
6
Senary
102321502254
8
Octal
2712421072
10
Decimal
388637242
12
Duodecimal
aa1a198a
16
Hexadecimal
172a223a
20
Vigesimal
618jd22
36
Base36
6fduey
md5
9e7e6387a320c282a008c97c83636896
sha1
8262fdd95c90311e5debaf6d7d611f6d78c30c43
sha256
2aef825d01e1fea7a0b8173892484783e638ec5a6e99e3b26e73a0124e04b351
sha512
db76e773c5b9699ad6f4f77c96a8a4ef6a66e7cc95c1069fc76504b041e78b5eb60f769995adce198bdd2bc4825335ac394b2e490b228a0a247874500a681357
ripemd-160
b56372b9b3061cd68172f8247b848935ce054342
Diameter
777274484
Circumference
2441879808.7572
Area
4.7450271708544E+17
Volume
2.4587923638612E+26
Surface area
1.8980108683418E+18
Circumference
2441879808.7572
Perimeter
1554548968
Area
151038905869366564
Diagonal
549616058.47967
Surface area
906233435216199384
Volume
5.8699343811768E+25
Space diagonal
673139448.85744
Perimeter
1165911726
Area
6.5401764721339E+16
Altitude
336569724.42872
Surface area
6.5401764721339E+16
Volume
6.9177840100837E+24
Height
183205352.82656