131805428 (number)

131805428 is an even 9-digits composite number following 131805427 and preceding 131805429. In scientific notation, it is written as 1.31805428 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 63776760 positive integers (up to 131805428) that are relatively prime to 131805428.

Interesting facts

Basic properties

Name

Name one hundred thirty-one million eight hundred five thousand four hundred twenty-eight

Notation

Scientific notation 1.31805428 × 10^8
Engineering notation 1.31805428 × 10^6

Prime Factorization of 131805428

Prime Factorization 2 × 2 × 31 × 1062947

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 65902714
Product of the distinct prime numbers

The prime factorization of 131805428 is 2 × 2 × 31 × 1062947. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 47, 18, 669, 849, 8337, 2528, 3992, 80029, 674051, 126577, 4731250, 8479668, 39834022, 83800893, 442255076, 657602065, 8001941197, 9348058575

Basic calculations (n = 131805428)

Multiplication

n×y
n×2 263610856
n×3 395416284
n×4 527221712
n×5 659027140

Division

n÷y
n÷2 65902714
n÷3 43935142.666667
n÷3 32951357
n÷5 26361085.6

Exponentiation

ny
n2 17372670850263184
n3 2.2898123169221E+24
n4 3.0180969247158E+32
n5 3.9780155690766E+40

Nth Root

y√n
2√n 11480.654510959
3√n 508.91403938959
4√n 107.14781617447
5√n 42.071370450754

Divisors of 131805428

1, 2, 4, 31, 62, 124, 1062947, 2125894, 4251788, 32951357, 65902714, 131805428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -131805427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 131805428 can be divided by 12 positive divisors. The sum of these divisors (counting 131805428) is 1, the average is 0.083333333333333.

Base conversion 131805428

Base System Value
2 Binary 111110110110011000011110100
3 Ternary 100012000102001112
4 Quaternary 13312303003310
5 Quinary 232220233203
6 Senary 21025014152
8 Octal 766630364
10 Decimal 131805428
12 Duodecimal 38184358
16 Hexadecimal 7db30f4
20 Vigesimal 213fdb8
36 Base36 26h1pw

Cryptographic Hash Functions

md5 20f69fc7f8e1cf881928755876812e42
sha1 1b65f9830293a04396d942d40264bfbaf355dbd7
sha256 bd751745b0de1d0cd7c5618685608a71ee9d1a24046ac3e9489121949ee0a6a3
sha512 265871dcdb1bfbbd8c4769a7bdd0f369c6f709e6a077ba76624da16e990b63295a79b16edf01bf629012ac3e97fa78659fdc56b2983ce73f1a12497a7d68fbca
ripemd-160 e80663c56561a9e5025fce6827df5c20f301f990

131805428 as geometric shapes

Circle

Radius = n
Diameter 263610856
Circumference 828157928.61612
Area 5.457785511642E+16

Sphere

Radius = n
Volume 9.5915434039224E+24
Surface area 2.1831142046568E+17
Circumference 828157928.61612

Square

Length = n
Perimeter 527221712
Area 17372670850263184
Diagonal 186401023.87199

Cube

Length = n
Surface area 104236025101579104
Volume 2.2898123169221E+24
Space diagonal 228293698.00936

Equilateral Triangle

Length = n
Perimeter 395416284
Area 7.5225871439567E+15
Altitude 114146849.00468

Triangular Pyramid

Length = n
Surface area 7.5225871439567E+15
Volume 2.6985696949001E+23
Height 62133674.623997