Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

388638 (number)

388638 is an even 6-digits composite number following 388637 and preceding 388639. In scientific notation, it is written as 3.88638 × 10^5. The sum of its digits is 36. It has a total of 5 prime factors and 20 positive divisors. There are 129492 positive integers (up to 388638) that are relatively prime to 388638.

Interesting facts

388638 has 20 divisors, whose sum is 871200
The reverse of 388638 is 836883
Previous prime number is 9

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	3.88638 × 10^5
Engineering notation	3.88638 × 10^3

Prime Factorization of 388638

Prime Factorization 2 × 3 × 3 × 9 × 2399

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	129546	Product of the distinct prime numbers

The prime factorization of 388638 is 2 × 3 × 3 × 9 × 2399. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 3, 57, 64, 390, 896, 3789, 8645, 85921, 49312, 866137, 390713, 229573, 1898711, 68010261, 4689904, 928614018, 165518872, 4560122693, 6819549878

Basic calculations (n = 388638)

Multiplication

n×y

n×2	777276
n×3	1165914
n×4	1554552
n×5	1943190

Division

n÷y

n÷2	194319
n÷3	129546
n÷3	97159.5
n÷5	77727.6

Exponentiation

n^y

n²	151039495044
n³	58699687274910072
n⁴	2.2812929063147E+22
n⁵	8.8659711252431E+27

Nth Root

^y√n

²√n	623.40837337976
³√n	72.976285535312
⁴√n	24.968147175547
⁵√n	13.119251342973

Divisors of 388638

1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 2399, 4798, 7197, 14394, 21591, 43182, 64773, 129546, 194319, 388638

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-388637	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388638 can be divided by 20 positive divisors. The sum of these divisors (counting 388638) is 1, the average is 0.05.

Base conversion 388638

Base	System	Value
2	Binary	1011110111000011110
3	Ternary	201202010000
4	Quaternary	1132320132
5	Quinary	44414023
6	Senary	12155130
8	Octal	1367036
10	Decimal	388638
12	Duodecimal	168aa6
16	Hexadecimal	5ee1e
20	Vigesimal	28bbi
36	Base36	8bvi

Cryptographic Hash Functions

md5	0338a382aa28a5794b559efd3ecf9da8
sha1	234ea97a199decd63e2f411acdc14c8e7a8d2c2e
sha256	ab3f53b7019fc42f9e8af5d85bca9fd93bbc454b6acc0bcdc060b4509dcf3190
sha512	96df38ee94f2f78e189a656e9b3e242a38ad864a8b8a098d123fd78beec0ab24779a8548a358a15e3b9849bfb5c8b9c76850ae43c594c224370e33983ada7fac
ripemd-160	6cabeb06fd4e17fb1d3b8917d4178eb750836b58

388638 as geometric shapes

Circle

Radius = n

Diameter	777276
Circumference	2441884.5714117
Area	474504568032.14

Sphere

Radius = n

Volume	2.4588067508117E+17
Surface area	1898018272128.6
Circumference	2441884.5714117

Square

Length = n

Perimeter	1554552
Area	151039495044
Diagonal	549617.13045355

Cube

Length = n

Surface area	906236970264
Volume	58699687274910072
Space diagonal	673140.76175195

Equilateral Triangle

Length = n

Perimeter	1165914
Area	65402019841.439
Altitude	336570.38087598

Triangular Pyramid

Length = n

Surface area	65402019841.439
Volume	6.9178244876031E+15
Height	183205.71015118