131445865 (number)

131445865 is an odd 9-digits composite number following 131445864 and preceding 131445866. In scientific notation, it is written as 1.31445865 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 105156688 positive integers (up to 131445865) that are relatively prime to 131445865.

Interesting facts

Basic properties

Name

Name one hundred thirty-one million four hundred forty-five thousand eight hundred sixty-five

Notation

Scientific notation 1.31445865 × 10^8
Engineering notation 1.31445865 × 10^6

Prime Factorization of 131445865

Prime Factorization 5 × 26289173

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 131445865
Product of the distinct prime numbers

The prime factorization of 131445865 is 5 × 26289173. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 3, 52, 46, 514, 932, 4449, 8833, 46281, 62901, 158132, 21608, 4621483, 3073044, 49471560, 2155514, 832453442, 173227280, 2286786583, 6341640331

Basic calculations (n = 131445865)

Multiplication

n×y
n×2 262891730
n×3 394337595
n×4 525783460
n×5 657229325

Division

n÷y
n÷2 65722932.5
n÷3 43815288.333333
n÷3 32861466.25
n÷5 26289173

Exponentiation

ny
n2 17278015425598225
n3 2.2711236831011E+24
n4 2.9852981704721E+32
n5 3.9240510030062E+40

Nth Root

y√n
2√n 11464.984300033
3√n 508.4508482828
4√n 107.0746669387
5√n 42.04839136364

Divisors of 131445865

1, 5, 26289173, 131445865

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 -131445864
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 131445865 can be divided by 4 positive divisors. The sum of these divisors (counting 131445865) is 1, the average is 0.25.

Base conversion 131445865

Base System Value
2 Binary 111110101011011010001101001
3 Ternary 100011100010211101
4 Quaternary 13311123101221
5 Quinary 232122231430
6 Senary 21013201401
8 Octal 765332151
10 Decimal 131445865
12 Duodecimal 38030261
16 Hexadecimal 7d5b469
20 Vigesimal 211aed5
36 Base36 269ca1

Cryptographic Hash Functions

md5 626e50e2b4cef076a5bb65640219ff2e
sha1 a3102aa299cb6a6f834acf6a096ecea795d23e11
sha256 2bca60ee63331dcf159aa4e1ccfcdc9de18db62b9b6ecd1f8eb8aa726609bcda
sha512 441d2bb70b461773fa5e7198d244e73274d72feca35ed82a1f9cf18e1acd41b5127e7d6b4d5e5c69d6c0f7781ad83766d6cb9eb89810acd12b7a865a76dbfe56
ripemd-160 e06653738ff59f8fe7289e4b41e16bd7abce71f2

131445865 as geometric shapes

Circle

Radius = n
Diameter 262891730
Circumference 825898727.65751
Area 5.4280486329671E+16

Sphere

Radius = n
Volume 9.5132606376323E+24
Surface area 2.1712194531868E+17
Circumference 825898727.65751

Square

Length = n
Perimeter 525783460
Area 17278015425598225
Diagonal 185892525.00086

Cube

Length = n
Surface area 103668092553589350
Volume 2.2711236831011E+24
Space diagonal 227670916.62484

Equilateral Triangle

Length = n
Perimeter 394337595
Area 7.4816001427737E+15
Altitude 113835458.31242

Triangular Pyramid

Length = n
Surface area 7.4816001427737E+15
Volume 2.6765449287236E+23
Height 61964175.000288