388639 (number)

388639 is an odd 6-digits composite number following 388638 and preceding 388640. In scientific notation, it is written as 3.88639 × 10^5. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 379120 positive integers (up to 388639) that are relatively prime to 388639.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight thousand six hundred thirty-nine

Notation

Scientific notation 3.88639 × 10^5
Engineering notation 3.88639 × 10^3

Prime Factorization of 388639

Prime Factorization 41 × 9479

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388639
Product of the distinct prime numbers

The prime factorization of 388639 is 41 × 9479. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388639)

Multiplication

n×y
n×2 777278
n×3 1165917
n×4 1554556
n×5 1943195

Division

n÷y
n÷2 194319.5
n÷3 129546.33333333
n÷3 97159.75
n÷5 77727.8

Exponentiation

ny
n2 151040272321
n3 58700140394561119
n4 2.2813163862802E+22
n5 8.8660851904754E+27

Nth Root

y√n
2√n 623.40917542173
3√n 72.97634812674
4√n 24.968163236845
5√n 13.119258094365

Divisors of 388639

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 -388638
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 388639 can be divided by 4 positive divisors. The sum of these divisors (counting 388639) is 1, the average is 0.25.

Base conversion 388639

Base System Value
2 Binary 1011110111000011111
3 Ternary 201202010001
4 Quaternary 1132320133
5 Quinary 44414024
6 Senary 12155131
8 Octal 1367037
10 Decimal 388639
12 Duodecimal 168aa7
16 Hexadecimal 5ee1f
20 Vigesimal 28bbj
36 Base36 8bvj

Cryptographic Hash Functions

md5 298e0b8abcdf58ad1bab5c7b0466467d
sha1 40d1c997c3bb3edde7463b80021ed26bd87ab102
sha256 a9dd6002d9580b8e926b0ab06cd45cf3a5afd325c6b80639f14b056c7a6c5ae1
sha512 32f00c5053984cb51127cca67bb0df14b150ccad37557caaa7aa9a2f9bb133c867d0133b80b05dfc7921ef2144e87350201b87f90771da65df960314e9a56f60
ripemd-160 ce2bab798e64239a42cd2ba9af79c66bf12c11b0

388639 as geometric shapes

Circle

Radius = n
Diameter 777278
Circumference 2441890.854597
Area 474507009919.86

Sphere

Radius = n
Volume 2.4588257310432E+17
Surface area 1898028039679.4
Circumference 2441890.854597

Square

Length = n
Perimeter 1554556
Area 151040272321
Diagonal 549618.54466712

Cube

Length = n
Surface area 906241633926
Volume 58700140394561119
Space diagonal 673142.49380276

Equilateral Triangle

Length = n
Perimeter 1165917
Area 65402356412.253
Altitude 336571.24690138

Triangular Pyramid

Length = n
Surface area 65402356412.253
Volume 6.9178778882661E+15
Height 183206.18155571