231388 (number)

231388 is an even 6-digits composite number following 231387 and preceding 231389. In scientific notation, it is written as 2.31388 × 10^5. The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors. There are 115692 positive integers (up to 231388) that are relatively prime to 231388.

Interesting facts

Basic properties

Name

Name two hundred thirty-one thousand three hundred eighty-eight

Notation

Scientific notation 2.31388 × 10^5
Engineering notation 2.31388 × 10^3

Prime Factorization of 231388

Prime Factorization 2 × 2 × 57847

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 115694
Product of the distinct prime numbers

The prime factorization of 231388 is 2 × 2 × 57847. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 231388)

Multiplication

n×y
n×2 462776
n×3 694164
n×4 925552
n×5 1156940

Division

n÷y
n÷2 115694
n÷3 77129.333333333
n÷3 57847
n÷5 46277.6

Exponentiation

ny
n2 53540406544
n3 12388607589403072
n4 2.8665751328968E+21
n5 6.6329108685072E+26

Nth Root

y√n
2√n 481.02806570927
3√n 61.392258535131
4√n 21.932352033224
5√n 11.826824885526

Divisors of 231388

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -231387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 231388 can be divided by 6 positive divisors. The sum of these divisors (counting 231388) is 1, the average is 0.16666666666667.

Base conversion 231388

Base System Value
2 Binary 111000011111011100
3 Ternary 102202101221
4 Quaternary 320133130
5 Quinary 24401023
6 Senary 4543124
8 Octal 703734
10 Decimal 231388
12 Duodecimal b1aa4
16 Hexadecimal 387dc
20 Vigesimal 18i98
36 Base36 4yjg

Cryptographic Hash Functions

md5 194ffc34f7948277a447275b550c51a2
sha1 a5a8fe9af2038bbe1d66364890be6f64cf2d9ccb
sha256 2230478e9c2f98503c3a912cce62dc44f2a733dd8bbb536d8bbc9dcd76a18fe7
sha512 1da540e8edb15f5c0a66e2e6c8379ecaa3c4f2f2ce2de212b2b2c6679c97101639200cf7bafef7aa7cad68512d33297831685a849761d60eb628cb14e5696217
ripemd-160 5d9e4840197bcfc2d20479737701b2b558df3c60

231388 as geometric shapes

Circle

Radius = n
Diameter 462776
Circumference 1453853.6818577
Area 168202147868.84

Sphere

Radius = n
Volume 5.1893278121434E+16
Surface area 672808591475.37
Circumference 1453853.6818577

Square

Length = n
Perimeter 925552
Area 53540406544
Diagonal 327232.04777039

Cube

Length = n
Surface area 321242439264
Volume 12388607589403072
Space diagonal 400775.77226175

Equilateral Triangle

Length = n
Perimeter 694164
Area 23183676098.025
Altitude 200387.88613087

Triangular Pyramid

Length = n
Surface area 23183676098.025
Volume 1.4600114059877E+15
Height 109077.3492568