388638085 (number)

388638085 is an odd 9-digits composite number following 388638084 and preceding 388638086. In scientific notation, it is written as 3.88638085 × 10^8. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 276054240 positive integers (up to 388638085) that are relatively prime to 388638085.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88638085 × 10^8
Engineering notation 3.88638085 × 10^6

Prime Factorization of 388638085

Prime Factorization 5 × 5203 × 14939

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388638085
Product of the distinct prime numbers

The prime factorization of 388638085 is 5 × 5203 × 14939. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388638085)

Multiplication

n×y
n×2 777276170
n×3 1165914255
n×4 1554552340
n×5 1943190425

Division

n÷y
n÷2 194319042.5
n÷3 129546028.33333
n÷3 97159521.25
n÷5 77727617

Exponentiation

ny
n2 151039561112467225
n3 5.869972578999E+25
n4 2.2812949021047E+34
n5 8.8659808207422E+42

Nth Root

y√n
2√n 19713.905878846
3√n 729.76290855587
4√n 140.40621737959
5√n 52.228682603924

Divisors of 388638085

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 -388638084
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 388638085 can be divided by 8 positive divisors. The sum of these divisors (counting 388638085) is 1, the average is 0.125.

Base conversion 388638085

Base System Value
2 Binary 10111001010100010010110000101
3 Ternary 1000002021212020011
4 Quaternary 113022202112011
5 Quinary 1243442404320
6 Senary 102321510221
8 Octal 2712422605
10 Decimal 388638085
12 Duodecimal aa1a2371
16 Hexadecimal 172a2585
20 Vigesimal 618jf45
36 Base36 6fdv2d

Cryptographic Hash Functions

md5 a30efcb7d9de91451874c56b133bcd85
sha1 4b1f9048c1af770fb6976be6cef779641f95f929
sha256 4bfda2754a7d08793f9613380259767a3e8c79bb500c9204bafd5837016fe8f6
sha512 b90cff1d74f2da70737efaa95f6c713ed34709daf374cfb500f61683ebe4c7823a3d48c1a0f2251efdba63335a1748c2f163f5e01a48999bc3a5809e174ddaca
ripemd-160 224964f83b758cdedb474ff07d894ad9712ef078

388638085 as geometric shapes

Circle

Radius = n
Diameter 777276170
Circumference 2441885105.4824
Area 4.7450477559235E+17

Sphere

Radius = n
Volume 2.4588083641276E+26
Surface area 1.8980191023694E+18
Circumference 2441885105.4824

Square

Length = n
Perimeter 1554552340
Area 151039561112467225
Diagonal 549617250.66171

Cube

Length = n
Surface area 906237366674803350
Volume 5.869972578999E+25
Space diagonal 673140908.97627

Equilateral Triangle

Length = n
Perimeter 1165914255
Area 6.5402048449924E+16
Altitude 336570454.48814

Triangular Pyramid

Length = n
Surface area 6.5402048449924E+16
Volume 6.9178290266488E+24
Height 183205750.22057