388655390 (number)

388655390 is an even 9-digits composite number following 388655389 and preceding 388655391. In scientific notation, it is written as 3.88655390 × 10^8. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 149317504 positive integers (up to 388655390) that are relatively prime to 388655390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88655390 × 10^8
Engineering notation 3.88655390 × 10^6

Prime Factorization of 388655390

Prime Factorization 2 × 145 × 197 × 6803

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 388655390
Product of the distinct prime numbers

The prime factorization of 388655390 is 2 × 145 × 197 × 6803. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 28, 72, 80, 959, 5219, 5839, 40291, 61331, 62557, 781903, 639438, 6765969, 88887787, 90560934, 8229427, 985320562, 2276078239, 5970889276

Basic calculations (n = 388655390)

Multiplication

n×y
n×2 777310780
n×3 1165966170
n×4 1554621560
n×5 1943276950

Division

n÷y
n÷2 194327695
n÷3 129551796.66667
n÷3 97163847.5
n÷5 77731078

Exponentiation

ny
n2 151053012176052100
n3 5.8707567357958E+25
n4 2.2817012487459E+34
n5 8.8679548869481E+42

Nth Root

y√n
2√n 19714.344777344
3√n 729.77373984955
4√n 140.40778033052
5√n 52.22914771596

Divisors of 388655390

1, 2, 145, 197, 290, 394, 6803, 13606, 28565, 57130, 986435, 1340191, 1972870, 2680382, 194327695, 388655390

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388655389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388655390 can be divided by 16 positive divisors. The sum of these divisors (counting 388655390) is 1, the average is 0.0625.

Base conversion 388655390

Base System Value
2 Binary 10111001010100110100100011110
3 Ternary 1000002022201222002
4 Quaternary 113022212210132
5 Quinary 1243443433030
6 Senary 102322122302
8 Octal 2712464436
10 Decimal 388655390
12 Duodecimal aa1b0392
16 Hexadecimal 172a691e
20 Vigesimal 6191i9a
36 Base36 6fe8f2

Cryptographic Hash Functions

md5 afb596533c13b0b3c372e268d5ede5b5
sha1 9888948a5eef7c1ff5b20d17a065f541d3d6eaf3
sha256 057fa41793c846a6a51b34e454ab5845a4ee9154fa6f4ed6a77229fc69e79b0d
sha512 eec43800484ce5fe063eccd81e4790b4d0ac39e918876bf227bcbcca82afd044eba793db01915a3a449e3a585770aea75a277fb05734b1f9e4d49a5db7f7cfb5
ripemd-160 42767ac125dccbce237b634c6e3efb5d6ab91d55

388655390 as geometric shapes

Circle

Radius = n
Diameter 777310780
Circumference 2441993836.0042
Area 4.7454703335489E+17

Sphere

Radius = n
Volume 2.4591368309585E+26
Surface area 1.8981881334196E+18
Circumference 2441993836.0042

Square

Length = n
Perimeter 1554621560
Area 151053012176052100
Diagonal 549641723.6274

Cube

Length = n
Surface area 906318073056312600
Volume 5.8707567357958E+25
Space diagonal 673170882.1155

Equilateral Triangle

Length = n
Perimeter 1165966170
Area 6.5407872931311E+16
Altitude 336585441.05775

Triangular Pyramid

Length = n
Surface area 6.5407872931311E+16
Volume 6.9187531642964E+24
Height 183213907.8758