231661561 (number)

231661561 is an odd 9-digits prime number following 231661560 and preceding 231661562. In scientific notation, it is written as 2.31661561 × 10^8. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 231661560 positive integers (up to 231661561) that are relatively prime to 231661561.

Interesting facts

Basic properties

Name

Name two hundred thirty-one million six hundred sixty-one thousand five hundred sixty-one

Notation

Scientific notation 2.31661561 × 10^8
Engineering notation 2.31661561 × 10^6

Prime Factorization of 231661561

Prime Factorization 231661561

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 231661561
Product of the distinct prime numbers

The prime factorization of 231661561 is 231661561. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 9, 77, 60, 547, 532, 5687, 3061, 1859, 69032, 695449, 512094, 8101985, 7607737, 21731523, 6429996, 663304629, 616085546, 3000509936, 9747528229

Basic calculations (n = 231661561)

Multiplication

n×y
n×2 463323122
n×3 694984683
n×4 926646244
n×5 1158307805

Division

n÷y
n÷2 115830780.5
n÷3 77220520.333333
n÷3 57915390.25
n÷5 46332312.2

Exponentiation

ny
n2 53667078844956721
n3 1.2432599259533E+25
n4 2.8801553517508E+33
n5 6.6722128470909E+41

Nth Root

y√n
2√n 15220.432352598
3√n 614.16442897149
4√n 123.37111636278
5√n 47.094565639122

Divisors of 231661561

1, 231661561

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 231661562
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 115830781
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 15220.432385448
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999913667
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 231661561 can be divided by 2 positive divisors. The sum of these divisors (counting 231661561) is 231661562, the average is 115830781.

Base conversion 231661561

Base System Value
2 Binary 1101110011101101111111111001
3 Ternary 121010220121220211
4 Quaternary 31303231333321
5 Quinary 433301132221
6 Senary 34553151121
8 Octal 1563557771
10 Decimal 231661561
12 Duodecimal 656bb4a1
16 Hexadecimal dcedff9
20 Vigesimal 3c7hdi1
36 Base36 3txb7d

Cryptographic Hash Functions

md5 d19ee855d76c0df20c443f60a37aa473
sha1 82f0c8016b6f46da2f962a3b01adfe6d8929378e
sha256 e31787a2b00abd5429e74804cb8d870c726665d7efaabf41eedf5ba1df40bc20
sha512 7fe982e2877e4ca3551ae16fcc442d339a29ac4ccf02aa3eb874467c3eefc55d96e6a1c082fc26cc4bf6f373f29593d0731d9f59ed13b50e8f291c6e617a56f6
ripemd-160 dede3821539e508f1d01368b3eac9a34b8ba959f

231661561 as geometric shapes

Circle

Radius = n
Diameter 463323122
Circumference 1455572516.3135
Area 1.6860010063894E+17

Sphere

Radius = n
Volume 5.2077549998365E+25
Surface area 6.7440040255576E+17
Circumference 1455572516.3135

Square

Length = n
Perimeter 926646244
Area 53667078844956721
Diagonal 327618921.44672

Cube

Length = n
Surface area 322002473069740326
Volume 1.2432599259533E+25
Space diagonal 401249593.81272

Equilateral Triangle

Length = n
Perimeter 694984683
Area 2.3238526813317E+16
Altitude 200624796.90636

Triangular Pyramid

Length = n
Surface area 2.3238526813317E+16
Volume 1.4651958740317E+24
Height 109206307.14891