388645939 (number)

388645939 is an odd 9-digits composite number following 388645938 and preceding 388645940. In scientific notation, it is written as 3.88645939 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 353314480 positive integers (up to 388645939) that are relatively prime to 388645939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88645939 × 10^8
Engineering notation 3.88645939 × 10^6

Prime Factorization of 388645939

Prime Factorization 11 × 35331449

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388645939
Product of the distinct prime numbers

The prime factorization of 388645939 is 11 × 35331449. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 9, 33, 96, 898, 293, 9727, 2196, 57277, 85783, 922229, 999890, 8176334, 9098480, 2719164, 44685315, 667511584, 69155278, 6046997643, 5805048764

Basic calculations (n = 388645939)

Multiplication

n×y
n×2 777291878
n×3 1165937817
n×4 1554583756
n×5 1943229695

Division

n÷y
n÷2 194322969.5
n÷3 129548646.33333
n÷3 97161484.75
n÷5 77729187.8

Exponentiation

ny
n2 151045665901191721
n3 5.8703284656049E+25
n4 2.2814793187534E+34
n5 8.8668767214601E+42

Nth Root

y√n
2√n 19714.10507733
3√n 729.76782445706
4√n 140.4069267427
5√n 52.228893700455

Divisors of 388645939

1, 11, 35331449, 388645939

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388645938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388645939 can be divided by 4 positive divisors. The sum of these divisors (counting 388645939) is 1, the average is 0.25.

Base conversion 388645939

Base System Value
2 Binary 10111001010100100010000110011
3 Ternary 1000002022021000001
4 Quaternary 113022210100303
5 Quinary 1243443132224
6 Senary 102322010431
8 Octal 2712442063
10 Decimal 388645939
12 Duodecimal aa1a6a17
16 Hexadecimal 172a4433
20 Vigesimal 6190egj
36 Base36 6fe14j

Cryptographic Hash Functions

md5 b8c46854fffb8122ccc7bab9602a0394
sha1 42ab4d5b4e98ffa95e1373589a5615cc708fff6f
sha256 81ed161979b0dc2abc844fbdefaf484bcac874f638e62595414efe686714bdfe
sha512 a85d6f871a94fdafb8f030c06c648fcb1300297fd02bddcd2a647e11cef18fdf95f2372668fa0d72ec9c9a63f5c1e13cbe8c7948d60b558c4f7e8426bfdcad91
ripemd-160 e43e82951b24d3cc6cf755ae6dd1cc65a5cf6216

388645939 as geometric shapes

Circle

Radius = n
Diameter 777291878
Circumference 2441934453.6198
Area 4.7452395435176E+17

Sphere

Radius = n
Volume 2.4589574375605E+26
Surface area 1.898095817407E+18
Circumference 2441934453.6198

Square

Length = n
Perimeter 1554583756
Area 151045665901191721
Diagonal 549628357.89503

Cube

Length = n
Surface area 906273995407150326
Volume 5.8703284656049E+25
Space diagonal 673154512.50331

Equilateral Triangle

Length = n
Perimeter 1165937817
Area 6.5404691900984E+16
Altitude 336577256.25166

Triangular Pyramid

Length = n
Surface area 6.5404691900984E+16
Volume 6.9182484430361E+24
Height 183209452.63168