131521806 (number)

131521806 is an even 9-digits composite number following 131521805 and preceding 131521807. In scientific notation, it is written as 1.31521806 × 10^8. The sum of its digits is 27. It has a total of 7 prime factors and 80 positive divisors. There are 40310784 positive integers (up to 131521806) that are relatively prime to 131521806.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.31521806 × 10^8
Engineering notation 1.31521806 × 10^6

Prime Factorization of 131521806

Prime Factorization 2 × 9 × 81 × 3 × 9 × 13 × 257

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 14613534
Product of the distinct prime numbers

The prime factorization of 131521806 is 2 × 9 × 81 × 3 × 9 × 13 × 257. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 131521806)

Multiplication

n×y
n×2 263043612
n×3 394565418
n×4 526087224
n×5 657609030

Division

n÷y
n÷2 65760903
n÷3 43840602
n÷3 32880451.5
n÷5 26304361.2

Exponentiation

ny
n2 17297985453501636
n3 2.2750622870063E+24
n4 2.9922030074955E+32
n5 3.9353994346445E+40

Nth Root

y√n
2√n 11468.295688549
3√n 508.54874620795
4√n 107.09012881003
5√n 42.053248814598

Divisors of 131521806

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -131521805
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 131521806 can be divided by 80 positive divisors. The sum of these divisors (counting 131521806) is 1, the average is 0.0125.

Base conversion 131521806

Base System Value
2 Binary 111110101101101110100001110
3 Ternary 100011111000000000
4 Quaternary 13311231310032
5 Quinary 232132144211
6 Senary 21014545130
8 Octal 765556416
10 Decimal 131521806
12 Duodecimal 380681a6
16 Hexadecimal 7d6dd0e
20 Vigesimal 21204a6
36 Base36 26ayvi

Cryptographic Hash Functions

md5 0d5b4033d77cf55d18decb27f20d74b6
sha1 0ff716895d3159b090c7f8e56542b5f206eda697
sha256 74e4b6b23c78e0bc3f72c9e3a0291b5ec19ac03ec2e999bd387e494f5690d457
sha512 36fdcbf8229e726179ddfd4ed6e4cf581149253e5272c3ddc17f5e9f949d174fb437b2dddae32195fd290b1def405c04eb9d3f104b1c20e305f7cc936b95507e
ripemd-160 6bb808ba464309c97dc7afb9f6954aa7b2968abb

131521806 as geometric shapes

Circle

Radius = n
Diameter 263043612
Circumference 826375879.03292
Area 5.4343224022624E+16

Sphere

Radius = n
Volume 9.5297586230908E+24
Surface area 2.173728960905E+17
Circumference 826375879.03292

Square

Length = n
Perimeter 526087224
Area 17297985453501636
Diagonal 185999921.793

Cube

Length = n
Surface area 103787912721009816
Volume 2.2750622870063E+24
Space diagonal 227802450.29522

Equilateral Triangle

Length = n
Perimeter 394565418
Area 7.490247418513E+15
Altitude 113901225.14761

Triangular Pyramid

Length = n
Surface area 7.490247418513E+15
Volume 2.6811866179398E+23
Height 61999973.931001