388645749 (number)

388645749 is an odd 9-digits composite number following 388645748 and preceding 388645750. In scientific notation, it is written as 3.88645749 × 10^8. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 259097148 positive integers (up to 388645749) that are relatively prime to 388645749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88645749 × 10^8
Engineering notation 3.88645749 × 10^6

Prime Factorization of 388645749

Prime Factorization 3 × 9 × 14394287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388645749
Product of the distinct prime numbers

The prime factorization of 388645749 is 3 × 9 × 14394287. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 88, 68, 399, 706, 3717, 9626, 15746, 36954, 520687, 40737, 742854, 3742159, 31867432, 29774495, 110896697, 517989266, 5036109824, 5976590508

Basic calculations (n = 388645749)

Multiplication

n×y
n×2 777291498
n×3 1165937247
n×4 1554582996
n×5 1943228745

Division

n÷y
n÷2 194322874.5
n÷3 129548583
n÷3 97161437.25
n÷5 77729149.8

Exponentiation

ny
n2 151045518215771001
n3 5.8703198560061E+25
n4 2.2814748573071E+34
n5 8.8668550474278E+42

Nth Root

y√n
2√n 19714.100258444
3√n 729.76770553485
4√n 140.40690958227
5√n 52.228888593754

Divisors of 388645749

1, 3, 9, 27, 14394287, 43182861, 129548583, 388645749

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 -388645748
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 388645749 can be divided by 8 positive divisors. The sum of these divisors (counting 388645749) is 1, the average is 0.125.

Base conversion 388645749

Base System Value
2 Binary 10111001010100100001101110101
3 Ternary 1000002022020202000
4 Quaternary 113022210031311
5 Quinary 1243443130444
6 Senary 102322005513
8 Octal 2712441565
10 Decimal 388645749
12 Duodecimal aa1a6899
16 Hexadecimal 172a4375
20 Vigesimal 6190e79
36 Base36 6fe0z9

Cryptographic Hash Functions

md5 3de0b460b81cd270eec33fec022e1d96
sha1 1a6f1de6c4f04a6cb29644f18133223b0c4e0d00
sha256 8e3e240f41d49ab9d89adc843325d55069829de093d57681b904fafe5650265d
sha512 263a275bb1503cb4a9a03af75ebd3b052a3e44458f39976cff562f6da47599b3001a4d510f5743485b0a4c0fb1a97f7d823b5918408a95a03de249b9c7155a79
ripemd-160 0fd65a4e1ac87c93b79e3dc82a28a164f5e59b2b

388645749 as geometric shapes

Circle

Radius = n
Diameter 777291498
Circumference 2441933259.8146
Area 4.7452349038433E+17

Sphere

Radius = n
Volume 2.4589538311802E+26
Surface area 1.8980939615373E+18
Circumference 2441933259.8146

Square

Length = n
Perimeter 1554582996
Area 151045518215771001
Diagonal 549628089.19445

Cube

Length = n
Surface area 906273109294626006
Volume 5.8703198560061E+25
Space diagonal 673154183.41366

Equilateral Triangle

Length = n
Perimeter 1165937247
Area 6.5404627951321E+16
Altitude 336577091.70683

Triangular Pyramid

Length = n
Surface area 6.5404627951321E+16
Volume 6.9182382965266E+24
Height 183209363.06482