389918 is an even 6-digits composite number following 389917
and preceding 389919 . In scientific notation, it is written as 3.89918 × 10^5.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 178200 positive integers (up to 389918) that are relatively prime to 389918.
389918 has 16 divisors, whose sum is 637440
The reverse of 389918 is 819983
Previous prime number is 31
Is Prime? no
Number parity even
Number length 6
Sum of Digits 38
Digital Root 2
Name
three hundred eighty-nine thousand nine hundred eighteen
Scientific notation
3.89918 × 10^5
Engineering notation
3.89918 × 10^3
Prime Factorization
2 × 19 × 31 × 331
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
389918
Product of the distinct prime numbers
The prime factorization of 389918 is 2 × 19 × 31 × 331.
Since it has a total of 4 prime factors.
6 , 2 , 83 , 21 , 198 , 249 , 6656 , 7742 , 67926 , 44502 , 834080 , 704787 , 2045076 , 7505195 , 61304973 , 33822688 , 32229082 , 256810100 , 8885393988 , 8717871043
n×2
779836
n×3
1169754
n×4
1559672
n×5
1949590
n÷2
194959
n÷3
129972.66666667
n÷3
97479.5
n÷5
77983.6
n2
152036046724
n3
59281591266528632
n4
2.3114959503462E+22
n5
9.012938779671E+27
2 √n
624.43414384545
3 √n
73.056314836641
4 √n
24.988680314203
5 √n
13.12788177147
1 , 2 , 19 , 31 , 38 , 62 , 331 , 589 , 662 , 1178 , 6289 , 10261 , 12578 , 20522 , 194959 , 389918
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
-389917
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 389918 can be divided by 16 positive divisors.
The sum of these divisors (counting 389918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011111001100011110
3
Ternary
201210212102
4
Quaternary
1133030132
5
Quinary
44434133
6
Senary
12205102
8
Octal
1371436
10
Decimal
389918
12
Duodecimal
169792
16
Hexadecimal
5f31e
20
Vigesimal
28efi
36
Base36
8cv2
md5
bac419ca86083d270f7217e59e7ea7c0
sha1
68a53861c3d9ddc3879e61e5afeaf25b682c244b
sha256
4842213f05244c7f61eaf988d2fea3f84a3e4ebd458ba926d839435d4c1c6320
sha512
458b8c90b0c7066577497767a7f6287aef47ddd3a1d72303e4d8aee8b88be3c801eac4c0b778e6f5bff54aef5fc4969a95a8562714abf88679fa6a0cbc76da6b
ripemd-160
61fbe069ec01758e232259c766beb048e472cabb
Diameter
779836
Circumference
2449927.0486048
Area
477635327468.95
Volume
2.4831814882139E+17
Surface area
1910541309875.8
Circumference
2449927.0486048
Perimeter
1559672
Area
152036046724
Diagonal
551427.32381339
Surface area
912216280344
Volume
59281591266528632
Space diagonal
675357.78678564
Perimeter
1169754
Area
65833539376.971
Altitude
337678.89339282
Surface area
65833539376.971
Volume
6.9864025306819E+15
Height
183809.1079378