131489291 (number)

131489291 is an odd 9-digits composite number following 131489290 and preceding 131489292. In scientific notation, it is written as 1.31489291 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 124568784 positive integers (up to 131489291) that are relatively prime to 131489291.

Interesting facts

Basic properties

Name

Name one hundred thirty-one million four hundred eighty-nine thousand two hundred ninety-one

Notation

Scientific notation 1.31489291 × 10^8
Engineering notation 1.31489291 × 10^6

Prime Factorization of 131489291

Prime Factorization 19 × 6920489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 131489291
Product of the distinct prime numbers

The prime factorization of 131489291 is 19 × 6920489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 97, 96, 805, 157, 1332, 9016, 33593, 79078, 142979, 470380, 5583596, 7308828, 52407778, 80677359, 842493291, 702203767, 3908390704, 116925263

Basic calculations (n = 131489291)

Multiplication

n×y
n×2 262978582
n×3 394467873
n×4 525957164
n×5 657446455

Division

n÷y
n÷2 65744645.5
n÷3 43829763.666667
n÷3 32872322.75
n÷5 26297858.2

Exponentiation

ny
n2 17289433647682681
n3 2.2733753721253E+24
n4 2.9892451585762E+32
n5 3.9305372652637E+40

Nth Root

y√n
2√n 11466.877997084
3√n 508.50683471607
4√n 107.08350945446
5√n 42.05116931666

Divisors of 131489291

1, 19, 6920489, 131489291

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 -131489290
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 131489291 can be divided by 4 positive divisors. The sum of these divisors (counting 131489291) is 1, the average is 0.25.

Base conversion 131489291

Base System Value
2 Binary 111110101100101111000001011
3 Ternary 100011102100101202
4 Quaternary 13311211320023
5 Quinary 232130124131
6 Senary 21014134415
8 Octal 765457013
10 Decimal 131489291
12 Duodecimal 3805140b
16 Hexadecimal 7d65e0b
20 Vigesimal 211g34b
36 Base36 26a9sb

Cryptographic Hash Functions

md5 7f5018ad255f0e01bedecb2c49eac753
sha1 c8ba5af0c2f61e9d43f2e6fa6bf651c60dcb3721
sha256 ccfa25c985279f5c3ce3fd3f8f81d8ba0ac30101afa56b00f07ff9ee7c144b44
sha512 4770fdcd8915a009908acb1cec5c679dd2be21e60ab8bbc7ec17dc6ba7da7430c0a078d0e19fbea3c3b773b08de85a48b98af7922342301a2fdaca89f3190769
ripemd-160 4116bfa81fa1a64e2489822168f445f3c798c848

131489291 as geometric shapes

Circle

Radius = n
Diameter 262978582
Circumference 826171581.26266
Area 5.4316357732288E+16

Sphere

Radius = n
Volume 9.5226924905612E+24
Surface area 2.1726543092915E+17
Circumference 826171581.26266

Square

Length = n
Perimeter 525957164
Area 17289433647682681
Diagonal 185953938.63902

Cube

Length = n
Surface area 103736601886096086
Volume 2.2733753721253E+24
Space diagonal 227746132.66321

Equilateral Triangle

Length = n
Perimeter 394467873
Area 7.4865443779693E+15
Altitude 113873066.3316

Triangular Pyramid

Length = n
Surface area 7.4865443779693E+15
Volume 2.6791985696872E+23
Height 61984646.213008