388394085 is an odd 9-digits composite number following 388394084
and preceding 388394086 . In scientific notation, it is written as 3.88394085 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 207143504 positive integers (up to 388394085) that are relatively prime to 388394085.
388394085 has 4 divisors, whose sum is 414287040
The reverse of 388394085 is 580493883
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred eighty-eight million three hundred ninety-four thousand eighty-five
Scientific notation
3.88394085 × 10^8
Engineering notation
3.88394085 × 10^6
Prime Factorization
15 × 25892939
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388394085
Product of the distinct prime numbers
The prime factorization of 388394085 is 15 × 25892939.
Since it has a total of 2 prime factors.
2 , 9 , 15 , 95 , 779 , 818 , 6009 , 1425 , 90388 , 73159 , 202459 , 802746 , 4887598 , 1994213 , 94660238 , 85337614 , 327803276 , 117821145 , 3670221720 , 1579376373
n×2
776788170
n×3
1165182255
n×4
1553576340
n×5
1941970425
n÷2
194197042.5
n÷3
129464695
n÷3
97098521.25
n÷5
77678817
n2
150849965262987225
n3
5.85892342306E+25
n4
2.2755712019844E+34
n5
8.838183948471E+42
2 √n
19707.716382169
3 √n
729.61015338851
4 √n
140.38417425824
5 √n
52.22212277325
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
-388394084
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 388394085 can be divided by 4 positive divisors.
The sum of these divisors (counting 388394085) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001001100110110001100101
3
Ternary
1000001211110112010
4
Quaternary
113021212301211
5
Quinary
1243412102320
6
Senary
102312344433
8
Octal
2711466145
10
Decimal
388394085
12
Duodecimal
aa0a5119
16
Hexadecimal
17266c65
20
Vigesimal
6179545
36
Base36
6f8msl
md5
28d49c9293ecb73405ced437ae2b71de
sha1
813aea7d4344293c21eb0d32dbd9d5fc4fd5b275
sha256
627d64424fd87de1beab0edfad365f45d26560544e355b9c4db6e116f964c885
sha512
31b3b70ea68afcda29196f26eff398fb6775a112ff755b0928a58cf27187a8252ac2f4df6f81b5128f83b7cf87c1b8509b46b1608ed9894dcc828eb26ac6ba43
ripemd-160
892cd90613b6a0ed3ce38195c5fb1c651d54f455
Diameter
776788170
Circumference
2440352008.2675
Area
4.7390914266448E+17
Volume
2.4541801045107E+26
Surface area
1.8956365706579E+18
Circumference
2440352008.2675
Perimeter
1553576340
Area
150849965262987225
Diagonal
549272182.55249
Surface area
905099791577923350
Volume
5.85892342306E+25
Space diagonal
672718288.57923
Perimeter
1165182255
Area
6.5319951038874E+16
Altitude
336359144.28961
Surface area
6.5319951038874E+16
Volume
6.9048074714973E+24
Height
183090727.5175