388889131 (number)

388889131 is an odd 9-digits composite number following 388889130 and preceding 388889132. In scientific notation, it is written as 3.88889131 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 368421264 positive integers (up to 388889131) that are relatively prime to 388889131.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million eight hundred eighty-nine thousand one hundred thirty-one

Notation

Scientific notation 3.88889131 × 10^8
Engineering notation 3.88889131 × 10^6

Prime Factorization of 388889131

Prime Factorization 19 × 20467849

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388889131
Product of the distinct prime numbers

The prime factorization of 388889131 is 19 × 20467849. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 44, 19, 162, 179, 5972, 1546, 57210, 9295, 521648, 404821, 509238, 9852967, 69416841, 72883146, 687746244, 255577609, 6940024287, 4229611689

Basic calculations (n = 388889131)

Multiplication

n×y
n×2 777778262
n×3 1166667393
n×4 1555556524
n×5 1944445655

Division

n÷y
n÷2 194444565.5
n÷3 129629710.33333
n÷3 97222282.75
n÷5 77777826.2

Exponentiation

ny
n2 151234756209935161
n3 5.8813552919479E+25
n4 2.2871951485879E+34
n5 8.8946533376175E+42

Nth Root

y√n
2√n 19720.272082302
3√n 729.9200081237
4√n 140.42888621043
5√n 52.235428425177

Divisors of 388889131

1, 19, 20467849, 388889131

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 -388889130
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 388889131 can be divided by 4 positive divisors. The sum of these divisors (counting 388889131) is 1, the average is 0.25.

Base conversion 388889131

Base System Value
2 Binary 10111001011011111101000101011
3 Ternary 1000002202121121011
4 Quaternary 113023133220223
5 Quinary 1244023423011
6 Senary 102331124351
8 Octal 2713375053
10 Decimal 388889131
12 Duodecimal aa2a36b7
16 Hexadecimal 172dfa2b
20 Vigesimal 61ab2gb
36 Base36 6fj8rv

Cryptographic Hash Functions

md5 628a25ee10bd4eb9bd53c23517fc1aac
sha1 820f7030f73b131d9170574c29cbcf6ee1cec149
sha256 c0316b270e8e41714af5f4fbbe9b9bfa3b73d676ba56adef965e417049ab47fd
sha512 4ce9a2aec2171f50a0cdbd30d93b3d97354b64e533fbda919daa5b059401d3898376686378181919126f9c93d9d2a781a793db29d12cf183caf3a325280e630b
ripemd-160 7043a7dc705a98e59be62ed0e9e6209dce837a7f

388889131 as geometric shapes

Circle

Radius = n
Diameter 777778262
Circumference 2443462474.021
Area 4.7511799907658E+17

Sphere

Radius = n
Volume 2.463576343778E+26
Surface area 1.9004719963063E+18
Circumference 2443462474.021

Square

Length = n
Perimeter 1555556524
Area 151234756209935161
Diagonal 549972283.31969

Cube

Length = n
Surface area 907408537259610966
Volume 5.8813552919479E+25
Space diagonal 673575733.40331

Equilateral Triangle

Length = n
Perimeter 1166667393
Area 6.5486570406475E+16
Altitude 336787866.70165

Triangular Pyramid

Length = n
Surface area 6.5486570406475E+16
Volume 6.9312436825062E+24
Height 183324094.4399