388889155 (number)

388889155 is an odd 9-digits composite number following 388889154 and preceding 388889156. In scientific notation, it is written as 3.88889155 × 10^8. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 310892256 positive integers (up to 388889155) that are relatively prime to 388889155.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88889155 × 10^8
Engineering notation 3.88889155 × 10^6

Prime Factorization of 388889155

Prime Factorization 5 × 1459 × 53309

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388889155
Product of the distinct prime numbers

The prime factorization of 388889155 is 5 × 1459 × 53309. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 5, 27, 20, 7, 861, 6898, 9204, 99798, 73707, 15571, 462007, 4643394, 6526910, 54653502, 12671701, 903995694, 602441515, 2319543547, 8688757633

Basic calculations (n = 388889155)

Multiplication

n×y
n×2 777778310
n×3 1166667465
n×4 1555556620
n×5 1944445775

Division

n÷y
n÷2 194444577.5
n÷3 129629718.33333
n÷3 97222288.75
n÷5 77777831

Exponentiation

ny
n2 151234774876614025
n3 5.8813563808382E+25
n4 2.287195713198E+34
n5 8.894656082252E+42

Nth Root

y√n
2√n 19720.272690812
3√n 729.92002313919
4√n 140.42888837704
5√n 52.235429069911

Divisors of 388889155

1, 5, 1459, 7295, 53309, 266545, 77777831, 388889155

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 -388889154
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 388889155 can be divided by 8 positive divisors. The sum of these divisors (counting 388889155) is 1, the average is 0.125.

Base conversion 388889155

Base System Value
2 Binary 10111001011011111101001000011
3 Ternary 1000002202121122001
4 Quaternary 113023133221003
5 Quinary 1244023423110
6 Senary 102331124431
8 Octal 2713375103
10 Decimal 388889155
12 Duodecimal aa2a3717
16 Hexadecimal 172dfa43
20 Vigesimal 61ab2hf
36 Base36 6fj8sj

Cryptographic Hash Functions

md5 72ffc45ebdcffcdc56fcb2c8a90af582
sha1 40a4359801931303de8bac9d89437c69a3fdaaa2
sha256 95c7d4ce2c6abebcb5f5b7ea78a08f93c32342cc5a2216773551b5b28353bba9
sha512 1c5ea89dd2fa25299d1d725cad3d39ed2981f4defaef7e1e0b59349a0c99c4ecc071f7d5cf66147771d19b665653f4c027fbaf699241908412a2f2d834887cf4
ripemd-160 4556245c079d7324342d345d04a6fc059a8acfe2

388889155 as geometric shapes

Circle

Radius = n
Diameter 777778310
Circumference 2443462624.8175
Area 4.7511805771968E+17

Sphere

Radius = n
Volume 2.4635767998913E+26
Surface area 1.9004722308787E+18
Circumference 2443462624.8175

Square

Length = n
Perimeter 1555556620
Area 151234774876614025
Diagonal 549972317.26081

Cube

Length = n
Surface area 907408649259684150
Volume 5.8813563808382E+25
Space diagonal 673575774.97253

Equilateral Triangle

Length = n
Perimeter 1166667465
Area 6.5486578489384E+16
Altitude 336787887.48626

Triangular Pyramid

Length = n
Surface area 6.5486578489384E+16
Volume 6.9312449657757E+24
Height 183324105.7536