388639660 (number)

388639660 is an even 9-digits composite number following 388639659 and preceding 388639661. In scientific notation, it is written as 3.88639660 × 10^8. The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors. There are 155236224 positive integers (up to 388639660) that are relatively prime to 388639660.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred thirty-nine thousand six hundred sixty

Notation

Scientific notation 3.88639660 × 10^8
Engineering notation 3.88639660 × 10^6

Prime Factorization of 388639660

Prime Factorization 2 × 2 × 5 × 727 × 26729

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 194319830
Product of the distinct prime numbers

The prime factorization of 388639660 is 2 × 2 × 5 × 727 × 26729. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 10, 25, 95, 999, 371, 2224, 1526, 80632, 89312, 838178, 491761, 7144660, 6271567, 48507801, 97765349, 236859469, 999549854, 9076116085, 7711133932

Basic calculations (n = 388639660)

Multiplication

n×y
n×2 777279320
n×3 1165918980
n×4 1554558640
n×5 1943198300

Division

n÷y
n÷2 194319830
n÷3 129546553.33333
n÷3 97159915
n÷5 77727932

Exponentiation

ny
n2 151040785324915600
n3 5.8700439454808E+25
n4 2.2813318831567E+34
n5 8.8661604741719E+42

Nth Root

y√n
2√n 19713.945825227
3√n 729.76389437024
4√n 140.40635963242
5√n 52.228724936389

Divisors of 388639660

1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 7270, 14540, 26729, 53458, 106916, 133645, 267290, 534580, 19431983, 38863966, 77727932, 97159915, 194319830, 388639660

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388639659
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388639660 can be divided by 24 positive divisors. The sum of these divisors (counting 388639660) is 1, the average is 0.041666666666667.

Base conversion 388639660

Base System Value
2 Binary 10111001010100010101110101100
3 Ternary 1000002021221101111
4 Quaternary 113022202232230
5 Quinary 1243442432120
6 Senary 102321521404
8 Octal 2712425654
10 Decimal 388639660
12 Duodecimal aa1a3264
16 Hexadecimal 172a2bac
20 Vigesimal 618jj30
36 Base36 6fdwa4

Cryptographic Hash Functions

md5 c9985dd2dd1dc85e98ce85a16db8cef5
sha1 05fbcfc07a80c5dc41f329323800e20f2623a02c
sha256 221a80c78c3617416cde9bd9a59ca94cc27bf9c6a785d0e00f2b37ffd2bff35a
sha512 6ff929a357857373b4b9c40698c2394bd6e9ec9fe264d435bc497ab10fbdc3ce6503b5ae0ba12dab3cc5f688439c0d433639d61e5ca42867f33aca3b4576c9a0
ripemd-160 435472797e6233faf87e357ee383e80cabab2af2

388639660 as geometric shapes

Circle

Radius = n
Diameter 777279320
Circumference 2441895001.4993
Area 4.7450862156919E+17

Sphere

Radius = n
Volume 2.4588382580496E+26
Surface area 1.8980344862768E+18
Circumference 2441895001.4993

Square

Length = n
Perimeter 1554558640
Area 151040785324915600
Diagonal 549619478.04807

Cube

Length = n
Surface area 906244711949493600
Volume 5.8700439454808E+25
Space diagonal 673143636.95629

Equilateral Triangle

Length = n
Perimeter 1165918980
Area 6.5402578549464E+16
Altitude 336571818.47815

Triangular Pyramid

Length = n
Surface area 6.5402578549464E+16
Volume 6.9179131328542E+24
Height 183206492.68269