388049642 is an even 9-digits composite number following 388049641
and preceding 388049643 . In scientific notation, it is written as 3.88049642 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 194024820 positive integers (up to 388049642) that are relatively prime to 388049642.
388049642 has 4 divisors, whose sum is 582074466
The reverse of 388049642 is 246940883
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
three hundred eighty-eight million forty-nine thousand six hundred forty-two
Scientific notation
3.88049642 × 10^8
Engineering notation
3.88049642 × 10^6
Prime Factorization
2 × 194024821
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388049642
Product of the distinct prime numbers
The prime factorization of 388049642 is 2 × 194024821.
Since it has a total of 2 prime factors.
5 , 6 , 14 , 8 , 976 , 966 , 9455 , 7708 , 7052 , 53114 , 911070 , 71684 , 9377176 , 4427457 , 66937303 , 59547103 , 320959314 , 865071869 , 9668739285 , 2940005403
n×2
776099284
n×3
1164148926
n×4
1552198568
n×5
1940248210
n÷2
194024821
n÷3
129349880.66667
n÷3
97012410.5
n÷5
77609928.4
n2
150582524656328164
n3
5.8433494784344E+25
n4
2.2675096731874E+34
n5
8.799063169119E+42
2 √n
19698.975658648
3 √n
729.39440736608
4 √n
140.35303936377
5 √n
52.212856963317
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
-388049641
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 388049642 can be divided by 4 positive divisors.
The sum of these divisors (counting 388049642) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001000010010101011101010
3
Ternary
1000001011222000222
4
Quaternary
113020102223222
5
Quinary
1243320042032
6
Senary
102301130042
8
Octal
2710225352
10
Decimal
388049642
12
Duodecimal
a9b59922
16
Hexadecimal
17212aea
20
Vigesimal
6156422
36
Base36
6f190q
md5
6713f4b98295c76a2b2db639f0ed9fb8
sha1
20e2b4734565ede68d9b63a0e220195ed0e76c56
sha256
fe665d854d22e3cc05803c65f9df4b0316389baea3cc709924ca8a12e0d51d45
sha512
d15102a1e40ea4714fdc9f091eeae15aa1d291444f7e36fb69f57cce7f318dc755e41e99de2dd9e81ea1d6e255fbba8dea033cca8f5467d12cc3585a6e378b4d
ripemd-160
21082f9468b7c6ef8a2ef6f36d60530eb5590f3a
Diameter
776099284
Circumference
2438187809.0707
Area
4.7306895321932E+17
Volume
2.447656505841E+26
Surface area
1.8922758128773E+18
Circumference
2438187809.0707
Perimeter
1552198568
Area
150582524656328164
Diagonal
548785066.59042
Surface area
903495147937968984
Volume
5.8433494784344E+25
Space diagonal
672121695.80291
Perimeter
1164148926
Area
6.5204145859188E+16
Altitude
336060847.90146
Surface area
6.5204145859188E+16
Volume
6.8864534017398E+24
Height
182928355.53014