390639 (number)

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.

Interesting facts

Basic properties

Name

Name three hundred ninety thousand six hundred thirty-nine

Notation

Scientific notation 3.90639 × 10^5
Engineering notation 3.90639 × 10^3

Prime Factorization of 390639

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.

Most popular turbo-numbers

Basic calculations (n = 390639)

Multiplication

n×y
n×2 781278
n×3 1171917
n×4 1562556
n×5 1953195

Division

n÷y
n÷2 195319.5
n÷3 130213
n÷3 97659.75
n÷5 78127.8

Exponentiation

ny
n2 152598828321
n3 59611053696487119
n4 2.3286402404942E+22
n5 9.0965769490642E+27

Nth Root

y√n
2√n 625.01119989965
3√n 73.10131675152
4√n 25.00022399699
5√n 13.132733155426

Divisors of 390639

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 conversion 390639

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

Cryptographic Hash Functions

md5 9708a3fbf1656d37f8c146b5c498d703
sha1 7f69fac292b90c01f997e66f75bc43a15a8ede65
sha256 53027fe0fdd58d36ed022b9a9c6f110a0377fdbcd059dd5a3074176854debcb0
sha512 af817e291daffc1e2e1d625c7674327c8a340f67ced6946c2f7dc7e8b852e1c9145eb0badd6ade1864be550e034518120d068b00928f8718d8b17014e9b4133c
ripemd-160 2722585d59169fdfa2f0ce045c669375a478aed3

390639 as geometric shapes

Circle

Radius = n
Diameter 781278
Circumference 2454457.2252113
Area 479403357999.66

Sphere

Radius = n
Volume 2.4969819782084E+17
Surface area 1917613431998.7
Circumference 2454457.2252113

Square

Length = n
Perimeter 1562556
Area 152598828321
Diagonal 552446.97179186

Cube

Length = n
Surface area 915592969926
Volume 59611053696487119
Space diagonal 676606.5954179

Equilateral Triangle

Length = n
Perimeter 1171917
Area 66077230956.863
Altitude 338303.29770895

Triangular Pyramid

Length = n
Surface area 66077230956.863
Volume 7.0252300504102E+15
Height 184148.99059729