131521805 (number)

131521805 is an odd 9-digits composite number following 131521804 and preceding 131521806. In scientific notation, it is written as 1.31521805 × 10^8. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 104971600 positive integers (up to 131521805) that are relatively prime to 131521805.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.31521805 × 10^8
Engineering notation 1.31521805 × 10^6

Prime Factorization of 131521805

Prime Factorization 5 × 431 × 61031

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 131521805
Product of the distinct prime numbers

The prime factorization of 131521805 is 5 × 431 × 61031. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 21, 73, 853, 346, 9418, 4627, 83832, 34432, 322872, 891933, 5505801, 7700923, 70394142, 30930776, 470321689, 278749112, 6729854819, 6116876297

Basic calculations (n = 131521805)

Multiplication

n×y
n×2 263043610
n×3 394565415
n×4 526087220
n×5 657609025

Division

n÷y
n÷2 65760902.5
n÷3 43840601.666667
n÷3 32880451.25
n÷5 26304361

Exponentiation

ny
n2 17297985190458025
n3 2.2750622351123E+24
n4 2.9922029164931E+32
n5 3.9353992850343E+40

Nth Root

y√n
2√n 11468.295644951
3√n 508.54874491906
4√n 107.09012860647
5√n 42.053248750649

Divisors of 131521805

1, 5, 431, 2155, 61031, 305155, 26304361, 131521805

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -131521804
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 131521805 can be divided by 8 positive divisors. The sum of these divisors (counting 131521805) is 1, the average is 0.125.

Base conversion 131521805

Base System Value
2 Binary 111110101101101110100001101
3 Ternary 100011110222222222
4 Quaternary 13311231310031
5 Quinary 232132144210
6 Senary 21014545125
8 Octal 765556415
10 Decimal 131521805
12 Duodecimal 380681a5
16 Hexadecimal 7d6dd0d
20 Vigesimal 21204a5
36 Base36 26ayvh

Cryptographic Hash Functions

md5 766d1c667093cc1a2861c99da726b7dc
sha1 5fe1b37aae398b135a844262e083bb17d073ed19
sha256 b72117c3f17dd3d4da71f7f82b32518603e9bf1541ded95fdf1f79feabc01a5e
sha512 500c605fd89d680189c4d0a1db7672c1dec4fe1f7c0bb06c334f59955f3357520ecada5816ff0e7f537a0ff51aad48ffa625f8cdc1f5c6da626eb487cd12f4c6
ripemd-160 52c4cf29cfdad58c539805f4a3aff3751bdd6b16

131521805 as geometric shapes

Circle

Radius = n
Diameter 263043610
Circumference 826375872.74974
Area 5.4343223196248E+16

Sphere

Radius = n
Volume 9.5297584057179E+24
Surface area 2.1737289278499E+17
Circumference 826375872.74974

Square

Length = n
Perimeter 526087220
Area 17297985190458025
Diagonal 185999920.37879

Cube

Length = n
Surface area 103787911142748150
Volume 2.2750622351123E+24
Space diagonal 227802448.56317

Equilateral Triangle

Length = n
Perimeter 394565415
Area 7.4902473046118E+15
Altitude 113901224.28158

Triangular Pyramid

Length = n
Surface area 7.4902473046118E+15
Volume 2.6811865567822E+23
Height 61999973.459597