390639 is an odd 6-digits composite number following 390638
and preceding 390640 . In scientific notation, it is written as 3.90639 × 10^5.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 255896 positive integers (up to 390639) that are relatively prime to 390639.
390639 has 8 divisors, whose sum is 529920
The reverse of 390639 is 936093
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 30
Digital Root 3
Name
three hundred ninety thousand six hundred thirty-nine
Scientific notation
3.90639 × 10^5
Engineering notation
3.90639 × 10^3
Prime Factorization
3 × 59 × 2207
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
390639
Product of the distinct prime numbers
The prime factorization of 390639 is 3 × 59 × 2207.
Since it has a total of 3 prime factors.
10 , 3 , 49 , 25 , 981 , 558 , 7527 , 4165 , 95764 , 47939 , 830803 , 847130 , 3332407 , 8500931 , 58657287 , 61444363 , 45864056 , 1374719 , 8018623819 , 2659613323
n×2
781278
n×3
1171917
n×4
1562556
n×5
1953195
n÷2
195319.5
n÷3
130213
n÷3
97659.75
n÷5
78127.8
n2
152598828321
n3
59611053696487119
n4
2.3286402404942E+22
n5
9.0965769490642E+27
2 √n
625.01119989965
3 √n
73.10131675152
4 √n
25.00022399699
5 √n
13.132733155426
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-390638
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 390639 can be divided by 8 positive divisors.
The sum of these divisors (counting 390639) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011111010111101111
3
Ternary
201211212010
4
Quaternary
1133113233
5
Quinary
100000024
6
Senary
12212303
8
Octal
1372757
10
Decimal
390639
12
Duodecimal
16a093
16
Hexadecimal
5f5ef
20
Vigesimal
28gbj
36
Base36
8df3
md5
9708a3fbf1656d37f8c146b5c498d703
sha1
7f69fac292b90c01f997e66f75bc43a15a8ede65
sha256
53027fe0fdd58d36ed022b9a9c6f110a0377fdbcd059dd5a3074176854debcb0
sha512
af817e291daffc1e2e1d625c7674327c8a340f67ced6946c2f7dc7e8b852e1c9145eb0badd6ade1864be550e034518120d068b00928f8718d8b17014e9b4133c
ripemd-160
2722585d59169fdfa2f0ce045c669375a478aed3
Diameter
781278
Circumference
2454457.2252113
Area
479403357999.66
Volume
2.4969819782084E+17
Surface area
1917613431998.7
Circumference
2454457.2252113
Perimeter
1562556
Area
152598828321
Diagonal
552446.97179186
Surface area
915592969926
Volume
59611053696487119
Space diagonal
676606.5954179
Perimeter
1171917
Area
66077230956.863
Altitude
338303.29770895
Surface area
66077230956.863
Volume
7.0252300504102E+15
Height
184148.99059729