388840 (number)

388840 is an even 6-digits composite number following 388839 and preceding 388841. In scientific notation, it is written as 3.88840 × 10^5. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 155520 positive integers (up to 388840) that are relatively prime to 388840.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight thousand eight hundred forty

Notation

Scientific notation 3.88840 × 10^5
Engineering notation 3.88840 × 10^3

Prime Factorization of 388840

Prime Factorization 2 × 2 × 2 × 5 × 9721

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 97210
Product of the distinct prime numbers

The prime factorization of 388840 is 2 × 2 × 2 × 5 × 9721. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 20, 56, 240, 279, 4082, 3515, 39178, 12582, 645984, 893569, 9004356, 9740963, 84447771, 29919277, 625180076, 528813815, 2540210357, 4930701076

Basic calculations (n = 388840)

Multiplication

n×y
n×2 777680
n×3 1166520
n×4 1555360
n×5 1944200

Division

n÷y
n÷2 194420
n÷3 129613.33333333
n÷3 97210
n÷5 77768

Exponentiation

ny
n2 151196545600
n3 58791264791104000
n4 2.2860395401373E+22
n5 8.8890361478698E+27

Nth Root

y√n
2√n 623.57036491482
3√n 72.988926824834
4√n 24.971390928717
5√n 13.120614842154

Divisors of 388840

1, 2, 4, 5, 8, 10, 20, 40, 9721, 19442, 38884, 48605, 77768, 97210, 194420, 388840

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 -388839
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 388840 can be divided by 16 positive divisors. The sum of these divisors (counting 388840) is 1, the average is 0.0625.

Base conversion 388840

Base System Value
2 Binary 1011110111011101000
3 Ternary 201202101111
4 Quaternary 1132323220
5 Quinary 44420330
6 Senary 12200104
8 Octal 1367350
10 Decimal 388840
12 Duodecimal 169034
16 Hexadecimal 5eee8
20 Vigesimal 28c20
36 Base36 8c14

Cryptographic Hash Functions

md5 c33473771d767b9c6ecf50a8a395bac9
sha1 367c46dc7262a1e461119202c4f120b3f7b20da0
sha256 0b80c3dc603c8924f46da23cb5607b3abe170034e03a487735c14edad2d4285e
sha512 31809ef0fb3c8991c9c690778f81d9790d88d4bc98566866a55e6f23a250004eb3b8753e2d80a4766a3ba615d416eebac568f651f33230708ccc636985ede338
ripemd-160 0898419c94cdc327ef2f6dbce39a865a4ad25818

388840 as geometric shapes

Circle

Radius = n
Diameter 777680
Circumference 2443153.7748437
Area 474997956905.11

Sphere

Radius = n
Volume 2.4626427408398E+17
Surface area 1899991827620.5
Circumference 2443153.7748437

Square

Length = n
Perimeter 1555360
Area 151196545600
Diagonal 549902.80159315

Cube

Length = n
Surface area 907179273600
Volume 58791264791104000
Space diagonal 673490.63601508

Equilateral Triangle

Length = n
Perimeter 1166520
Area 65470024727.026
Altitude 336745.31800754

Triangular Pyramid

Length = n
Surface area 65470024727.026
Volume 6.9286170013873E+15
Height 183300.93386438