388638087 (number)

388638087 is an odd 9-digits composite number following 388638086 and preceding 388638088. In scientific notation, it is written as 3.88638087 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 258550200 positive integers (up to 388638087) that are relatively prime to 388638087.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88638087 × 10^8
Engineering notation 3.88638087 × 10^6

Prime Factorization of 388638087

Prime Factorization 3 × 479 × 270451

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388638087
Product of the distinct prime numbers

The prime factorization of 388638087 is 3 × 479 × 270451. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 92, 32, 510, 815, 1724, 6628, 60067, 64047, 462165, 90909, 2064121, 5635095, 53750433, 47195256, 786035699, 936390205, 5359947482, 9016144876

Basic calculations (n = 388638087)

Multiplication

n×y
n×2 777276174
n×3 1165914261
n×4 1554552348
n×5 1943190435

Division

n÷y
n÷2 194319043.5
n÷3 129546029
n÷3 97159521.75
n÷5 77727617.4

Exponentiation

ny
n2 151039562667019569
n3 5.8699726696227E+25
n4 2.2812949490645E+34
n5 8.8659810488717E+42

Nth Root

y√n
2√n 19713.905929572
3√n 729.7629098077
4√n 140.40621756023
5√n 52.22868265768

Divisors of 388638087

1, 3, 479, 1437, 270451, 811353, 129546029, 388638087

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 -388638086
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 388638087 can be divided by 8 positive divisors. The sum of these divisors (counting 388638087) is 1, the average is 0.125.

Base conversion 388638087

Base System Value
2 Binary 10111001010100010010110000111
3 Ternary 1000002021212020020
4 Quaternary 113022202112013
5 Quinary 1243442404322
6 Senary 102321510223
8 Octal 2712422607
10 Decimal 388638087
12 Duodecimal aa1a2373
16 Hexadecimal 172a2587
20 Vigesimal 618jf47
36 Base36 6fdv2f

Cryptographic Hash Functions

md5 b3ad37a1648785a7fb73c676e3764b90
sha1 ac63351b8de206e6b071139be3ef071488a6e325
sha256 47dc8c0c147d951ca7cc6cb0a5476f18778954ab42c46f5af6cc463d4ecf4efe
sha512 dd8693a150159ea3552a4d3957302d740de9805449c1d9cb5e9db16f157281abdba4f57c161d659c64bc7485be732737110c7b06a1a86e13d737f410f46b4097
ripemd-160 4d8e29c10159a18701457012d7598a52c8ef175d

388638087 as geometric shapes

Circle

Radius = n
Diameter 777276174
Circumference 2441885118.0488
Area 4.7450478047612E+17

Sphere

Radius = n
Volume 2.4588084020879E+26
Surface area 1.8980191219045E+18
Circumference 2441885118.0488

Square

Length = n
Perimeter 1554552348
Area 151039562667019569
Diagonal 549617253.49013

Cube

Length = n
Surface area 906237376002117414
Volume 5.8699726696227E+25
Space diagonal 673140912.44037

Equilateral Triangle

Length = n
Perimeter 1165914261
Area 6.5402049123065E+16
Altitude 336570456.22019

Triangular Pyramid

Length = n
Surface area 6.5402049123065E+16
Volume 6.9178291334499E+24
Height 183205751.16338