388655385 (number)

388655385 is an odd 9-digits composite number following 388655384 and preceding 388655386. In scientific notation, it is written as 3.88655385 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 203136960 positive integers (up to 388655385) that are relatively prime to 388655385.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred fifty-five thousand three hundred eighty-five

Notation

Scientific notation 3.88655385 × 10^8
Engineering notation 3.88655385 × 10^6

Prime Factorization of 388655385

Prime Factorization 1245 × 131 × 2383

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388655385
Product of the distinct prime numbers

The prime factorization of 388655385 is 1245 × 131 × 2383. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388655385)

Multiplication

n×y
n×2 777310770
n×3 1165966155
n×4 1554621540
n×5 1943276925

Division

n÷y
n÷2 194327692.5
n÷3 129551795
n÷3 97163846.25
n÷5 77731077

Exponentiation

ny
n2 151053008289498225
n3 5.8707565092163E+25
n4 2.2817011313307E+34
n5 8.8679543165228E+42

Nth Root

y√n
2√n 19714.344650533
3√n 729.77373672007
4√n 140.40777987894
5√n 52.229147581576

Divisors of 388655385

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 -388655384
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 388655385 can be divided by 8 positive divisors. The sum of these divisors (counting 388655385) is 1, the average is 0.125.

Base conversion 388655385

Base System Value
2 Binary 10111001010100110100100011001
3 Ternary 1000002022201221220
4 Quaternary 113022212210121
5 Quinary 1243443433020
6 Senary 102322122253
8 Octal 2712464431
10 Decimal 388655385
12 Duodecimal aa1b0389
16 Hexadecimal 172a6919
20 Vigesimal 6191i95
36 Base36 6fe8ex

Cryptographic Hash Functions

md5 b1eaa4a8f88f685d12d7304fe43bc319
sha1 c882d3b9715b6d59a4ff0c3f3c8afa401b7c1df9
sha256 d7225d4508686cbb7fa1db07b5380ac8e4742dac251a05303e300816e50a0e7e
sha512 73fca744abfc40e279edc613f0f52fda7d2652af93166c0820e31445ed0b20cb85b4c805bdf4aeac03eaf046c56d668d1c329649823cee6d70820e448df47713
ripemd-160 f0eff3de1f25153e1ec0cdb087b73b5ca267c1f1

388655385 as geometric shapes

Circle

Radius = n
Diameter 777310770
Circumference 2441993804.5882
Area 4.7454702114493E+17

Sphere

Radius = n
Volume 2.4591367360491E+26
Surface area 1.8981880845797E+18
Circumference 2441993804.5882

Square

Length = n
Perimeter 1554621540
Area 151053008289498225
Diagonal 549641716.55634

Cube

Length = n
Surface area 906318049736989350
Volume 5.8707565092163E+25
Space diagonal 673170873.45524

Equilateral Triangle

Length = n
Perimeter 1165966155
Area 6.5407871248383E+16
Altitude 336585436.72762

Triangular Pyramid

Length = n
Surface area 6.5407871248383E+16
Volume 6.9187528972699E+24
Height 183213905.51878