231931209 (number)

231931209 is an odd 9-digits composite number following 231931208 and preceding 231931210. In scientific notation, it is written as 2.31931209 × 10^8. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 154620804 positive integers (up to 231931209) that are relatively prime to 231931209.

Interesting facts

Basic properties

Name

Name two hundred thirty-one million nine hundred thirty-one thousand two hundred nine

Notation

Scientific notation 2.31931209 × 10^8
Engineering notation 2.31931209 × 10^6

Prime Factorization of 231931209

Prime Factorization 3 × 77310403

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 231931209
Product of the distinct prime numbers

The prime factorization of 231931209 is 3 × 77310403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 48, 81, 333, 559, 9588, 620, 58828, 92702, 973733, 937156, 6771767, 9265245, 75960612, 85053292, 827963014, 690342689, 691223670, 8611685436

Basic calculations (n = 231931209)

Multiplication

n×y
n×2 463862418
n×3 695793627
n×4 927724836
n×5 1159656045

Division

n÷y
n÷2 115965604.5
n÷3 77310403
n÷3 57982802.25
n÷5 46386241.8

Exponentiation

ny
n2 53792085708201681
n3 1.2476063472935E+25
n4 2.8935884848385E+33
n5 6.7111347563708E+41

Nth Root

y√n
2√n 15229.287869103
3√n 614.40262702242
4√n 123.40700089178
5√n 47.105523906869

Divisors of 231931209

1, 3, 77310403, 231931209

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 -231931208
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 231931209 can be divided by 4 positive divisors. The sum of these divisors (counting 231931209) is 1, the average is 0.25.

Base conversion 231931209

Base System Value
2 Binary 1101110100101111110101001001
3 Ternary 121011102022210210
4 Quaternary 31310233311021
5 Quinary 433333244314
6 Senary 35003031333
8 Octal 1564576511
10 Decimal 231931209
12 Duodecimal 6580b549
16 Hexadecimal dd2fd49
20 Vigesimal 3c9b809
36 Base36 3u339l

Cryptographic Hash Functions

md5 4ef2f34fd3c54ea5b974178ad528f0af
sha1 cfd6803160500b7c4ad6a8f649d13696edf6d5b6
sha256 23ef9e29322bfdb616960d8ffa2fbe93276a09bd21547c137ff5bd4f33b1c203
sha512 dcaa11e26e1e749b52304c10d23041eec9a64fb60b39b7a19e1ecd9cc392c7b026956e46f9b16315bcdf727260874c67322e030f047b747f53f91d1f9b9fab4f
ripemd-160 d7e5002896668f3f97b94d66609f84876084d3c1

231931209 as geometric shapes

Circle

Radius = n
Diameter 463862418
Circumference 1457266764.6652
Area 1.6899282128216E+17

Sphere

Radius = n
Volume 5.2259612469723E+25
Surface area 6.7597128512864E+17
Circumference 1457266764.6652

Square

Length = n
Perimeter 927724836
Area 53792085708201681
Diagonal 328000261.30539

Cube

Length = n
Surface area 322752514249210086
Volume 1.2476063472935E+25
Space diagonal 401716637.84888

Equilateral Triangle

Length = n
Perimeter 695793627
Area 2.3292656372926E+16
Altitude 200858318.92444

Triangular Pyramid

Length = n
Surface area 2.3292656372926E+16
Volume 1.4703181807043E+24
Height 109333420.43513