388291242 is an even 9-digits composite number following 388291241
and preceding 388291243 . In scientific notation, it is written as 3.88291242 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 129096912 positive integers (up to 388291242) that are relatively prime to 388291242.
388291242 has 16 divisors, whose sum is 778583520
The reverse of 388291242 is 242192883
Previous prime number is 389
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
three hundred eighty-eight million two hundred ninety-one thousand two hundred forty-two
Scientific notation
3.88291242 × 10^8
Engineering notation
3.88291242 × 10^6
Prime Factorization
2 × 3 × 389 × 166363
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388291242
Product of the distinct prime numbers
The prime factorization of 388291242 is 2 × 3 × 389 × 166363.
Since it has a total of 4 prime factors.
6 , 6 , 48 , 56 , 460 , 193 , 6331 , 8856 , 93991 , 27339 , 807135 , 709075 , 2139944 , 2673786 , 21551437 , 44027484 , 144755285 , 845209321 , 7265304832 , 8973975135
n×2
776582484
n×3
1164873726
n×4
1553164968
n×5
1941456210
n÷2
194145621
n÷3
129430414
n÷3
97072810.5
n÷5
77658248.4
n2
150770088613902564
n3
5.8542704964342E+25
n4
2.2731619620644E+34
n5
8.8264888151714E+42
2 √n
19705.107003008
3 √n
729.54574979797
4 √n
140.37488024219
5 √n
52.219356897604
1 , 2 , 3 , 6 , 389 , 778 , 1167 , 2334 , 166363 , 332726 , 499089 , 998178 , 64715207 , 129430414 , 194145621 , 388291242
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
-388291241
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 388291242 can be divided by 16 positive divisors.
The sum of these divisors (counting 388291242) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001001001101101010101010
3
Ternary
1000001122020110010
4
Quaternary
113021031222222
5
Quinary
1243400304432
6
Senary
102310232350
8
Octal
2711155252
10
Decimal
388291242
12
Duodecimal
aa0556b6
16
Hexadecimal
1724daaa
20
Vigesimal
616g822
36
Base36
6f6ffu
md5
1d1b89587a1f07a7c908e93f6d4c9a0a
sha1
26190f91f23f41ea4fc81671b080adf44787a188
sha256
8c4a848fb0219f95ccb79801156f78af0967c9f35e20514f8dcb00716ae9cdd6
sha512
b5470f9c60e30234de92cba60ded924403f54b7dd40ecd12ebc1b17168e39f75e23462b106c0a23906d4f3794896a8e886f86a9ce69f3c43d020473a0b2d4da6
ripemd-160
70890ed9565347cb5662c24fa4dd76c10d755d7d
Diameter
776582484
Circumference
2439705826.6409
Area
4.7365820277052E+17
Volume
2.4522310911634E+26
Surface area
1.8946328110821E+18
Circumference
2439705826.6409
Perimeter
1553164968
Area
150770088613902564
Diagonal
549126740.58709
Surface area
904620531683415384
Volume
5.8542704964342E+25
Space diagonal
672540159.27802
Perimeter
1164873726
Area
6.5285363435235E+16
Altitude
336270079.63901
Surface area
6.5285363435235E+16
Volume
6.8993239448816E+24
Height
183042246.86236