388645868 (number)

388645868 is an even 9-digits composite number following 388645867 and preceding 388645869. In scientific notation, it is written as 3.88645868 × 10^8. The sum of its digits is 56. It has a total of 6 prime factors and 48 positive divisors. There are 172730880 positive integers (up to 388645868) that are relatively prime to 388645868.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred forty-five thousand eight hundred sixty-eight

Notation

Scientific notation 3.88645868 × 10^8
Engineering notation 3.88645868 × 10^6

Prime Factorization of 388645868

Prime Factorization 2 × 2 × 13 × 43 × 73 × 2381

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 194322934
Product of the distinct prime numbers

The prime factorization of 388645868 is 2 × 2 × 13 × 43 × 73 × 2381. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 7, 81, 32, 189, 464, 1342, 7024, 98049, 38415, 587322, 509292, 7123947, 5994098, 58321357, 13358626, 349686613, 214629467, 4816895198, 4452596609

Basic calculations (n = 388645868)

Multiplication

n×y
n×2 777291736
n×3 1165937604
n×4 1554583472
n×5 1943229340

Division

n÷y
n÷2 194322934
n÷3 129548622.66667
n÷3 97161467
n÷5 77729173.6

Exponentiation

ny
n2 151045610713473424
n3 5.8703252483328E+25
n4 2.2814776515806E+34
n5 8.8668686222115E+42

Nth Root

y√n
2√n 19714.103276589
3√n 729.76778001771
4√n 140.40692033012
5√n 52.228891792162

Divisors of 388645868

1, 2, 4, 13, 26, 43, 52, 73, 86, 146, 172, 292, 559, 949, 1118, 1898, 2236, 2381, 3139, 3796, 4762, 6278, 9524, 12556, 30953, 40807, 61906, 81614, 102383, 123812, 163228, 173813, 204766, 347626, 409532, 695252, 1330979, 2259569, 2661958, 4519138, 5323916, 7473959, 9038276, 14947918, 29895836, 97161467, 194322934, 388645868

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388645867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388645868 can be divided by 48 positive divisors. The sum of these divisors (counting 388645868) is 1, the average is 0.020833333333333.

Base conversion 388645868

Base System Value
2 Binary 10111001010100100001111101100
3 Ternary 1000002022020220102
4 Quaternary 113022210033230
5 Quinary 1243443131433
6 Senary 102322010232
8 Octal 2712441754
10 Decimal 388645868
12 Duodecimal aa1a6978
16 Hexadecimal 172a43ec
20 Vigesimal 6190ed8
36 Base36 6fe12k

Cryptographic Hash Functions

md5 f201069c50e842a7ea4a0e2098c9d6a3
sha1 d2fee2445f91350de9993254e02ba5b777838e3a
sha256 499f2676eb1b55255583694ef72d101c2a470ae426cd6794e5d071383c4d259e
sha512 9fb51db97ecd7c76ecb0eefdd5948181ba78ca3dafb59b302279544f26df2f9a47b45f2a56a96f20692d2d2dfd665b6d3fce38a88ad346087a1703b12671a17a
ripemd-160 f06b0f8d0267c44f001704cfe97d461e2f7809ca

388645868 as geometric shapes

Circle

Radius = n
Diameter 777291736
Circumference 2441934007.5137
Area 4.7452378097443E+17

Sphere

Radius = n
Volume 2.4589560899127E+26
Surface area 1.8980951238977E+18
Circumference 2441934007.5137

Square

Length = n
Perimeter 1554583472
Area 151045610713473424
Diagonal 549628257.48586

Cube

Length = n
Surface area 906273664280840544
Volume 5.8703252483328E+25
Space diagonal 673154389.52771

Equilateral Triangle

Length = n
Perimeter 1165937604
Area 6.5404668004001E+16
Altitude 336577194.76385

Triangular Pyramid

Length = n
Surface area 6.5404668004001E+16
Volume 6.9182446514445E+24
Height 183209419.16195