388889145 (number)

388889145 is an odd 9-digits composite number following 388889144 and preceding 388889146. In scientific notation, it is written as 3.88889145 × 10^8. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 206916000 positive integers (up to 388889145) that are relatively prime to 388889145.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million eight hundred eighty-nine thousand one hundred forty-five

Notation

Scientific notation 3.88889145 × 10^8
Engineering notation 3.88889145 × 10^6

Prime Factorization of 388889145

Prime Factorization 45 × 431 × 20051

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388889145
Product of the distinct prime numbers

The prime factorization of 388889145 is 45 × 431 × 20051. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 14, 5, 222, 642, 5852, 3935, 56916, 10505, 75051, 625351, 7963192, 5440691, 12286643, 3036061, 198011825, 935929992, 2265677588, 2666595720

Basic calculations (n = 388889145)

Multiplication

n×y
n×2 777778290
n×3 1166667435
n×4 1555556580
n×5 1944445725

Division

n÷y
n÷2 194444572.5
n÷3 129629715
n÷3 97222286.25
n÷5 77777829

Exponentiation

ny
n2 151234767098831025
n3 5.8813559271339E+25
n4 2.2871954779438E+34
n5 8.8946549386542E+42

Nth Root

y√n
2√n 19720.272437266
3√n 729.92001688273
4√n 140.42888747429
5√n 52.235428801272

Divisors of 388889145

1, 45, 431, 19395, 20051, 902295, 8641981, 388889145

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 -388889144
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 388889145 can be divided by 8 positive divisors. The sum of these divisors (counting 388889145) is 1, the average is 0.125.

Base conversion 388889145

Base System Value
2 Binary 10111001011011111101000111001
3 Ternary 1000002202121121200
4 Quaternary 113023133220321
5 Quinary 1244023423040
6 Senary 102331124413
8 Octal 2713375071
10 Decimal 388889145
12 Duodecimal aa2a3709
16 Hexadecimal 172dfa39
20 Vigesimal 61ab2h5
36 Base36 6fj8s9

Cryptographic Hash Functions

md5 266757d925ceb83256f836055d8ab9ab
sha1 5eb73625f9f4e8dfb5970704cb87878bf00f33d2
sha256 edf2d693026371c3566ef47f9fc6e435d00039897a3bac1dc278dc71dd67ab1d
sha512 b18646d29d5225e12a6877037ec9a09537eea82ea12adc10b5401960bc45089c466e8cda31eca3cb822d27eb52294e11d398d1f87768ffb8a197fd004fda42ec
ripemd-160 979fa7b4ceeb58053485b68e31cefc30f6c84a42

388889145 as geometric shapes

Circle

Radius = n
Diameter 777778290
Circumference 2443462561.9856
Area 4.7511803328505E+17

Sphere

Radius = n
Volume 2.4635766098441E+26
Surface area 1.9004721331402E+18
Circumference 2443462561.9856

Square

Length = n
Perimeter 1555556580
Area 151234767098831025
Diagonal 549972303.11868

Cube

Length = n
Surface area 907408602592986150
Volume 5.8813559271339E+25
Space diagonal 673575757.65202

Equilateral Triangle

Length = n
Perimeter 1166667435
Area 6.5486575121505E+16
Altitude 336787878.82601

Triangular Pyramid

Length = n
Surface area 6.5486575121505E+16
Volume 6.9312444310801E+24
Height 183324101.03956