81335331 (number)

81335331 is an odd 8-digits composite number following 81335330 and preceding 81335332. In scientific notation, it is written as 8.1335331 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 41990400 positive integers (up to 81335331) that are relatively prime to 81335331.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-five thousand three hundred thirty-one

Notation

Scientific notation 8.1335331 × 10^7
Engineering notation 8.1335331 × 10^6

Prime Factorization of 81335331

Prime Factorization 9 × 77 × 241 × 487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81335331
Product of the distinct prime numbers

The prime factorization of 81335331 is 9 × 77 × 241 × 487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81335331)

Multiplication

n×y
n×2 162670662
n×3 244005993
n×4 325341324
n×5 406676655

Division

n÷y
n÷2 40667665.5
n÷3 27111777
n÷3 20333832.75
n÷5 16267066.2

Exponentiation

ny
n2 6615436068879561
n3 5.3806868237166E+23
n4 4.3763994381433E+31
n5 3.559558968896E+39

Nth Root

y√n
2√n 9018.6102587926
3√n 433.27112433734
4√n 94.966363828424
5√n 38.199338975351

Divisors of 81335331

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81335330
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81335331 can be divided by 16 positive divisors. The sum of these divisors (counting 81335331) is 1, the average is 0.0625.

Base conversion 81335331

Base System Value
2 Binary 100110110010001010000100011
3 Ternary 12200001021002200
4 Quaternary 10312101100203
5 Quinary 131310212311
6 Senary 12023144243
8 Octal 466212043
10 Decimal 81335331
12 Duodecimal 232a5083
16 Hexadecimal 4d91423
20 Vigesimal 1586i6b
36 Base36 1cfaqr

Cryptographic Hash Functions

md5 e2277104b09040803700dd8810bbb407
sha1 a2c06c8cbaf3194ada782eeb7f6d8cfa59b1fdec
sha256 07e7a3a05d0584b5d560d001cea07dc9dd7a0e6d4e5873363a5a6311c0b477ee
sha512 1f495b7ed8ab42be07dad50366c0101d452f2abfb63cb187e236c1997cd077db8fe049894fc845264962c3a6b261f2cd9b0f2c091439f19005ed69dc0479f2cf
ripemd-160 77b9cb809ce656fe07528fd621da6568f617dfff

81335331 as geometric shapes

Circle

Radius = n
Diameter 162670662
Circumference 511044956.69379
Area 2.0783005354285E+16

Sphere

Radius = n
Volume 2.2538568262207E+24
Surface area 8.313202141714E+16
Circumference 511044956.69379

Square

Length = n
Perimeter 325341324
Area 6615436068879561
Diagonal 115025528.2003

Cube

Length = n
Surface area 39692616413277366
Volume 5.3806868237166E+23
Space diagonal 140876925.74243

Equilateral Triangle

Length = n
Perimeter 244005993
Area 2.8645678463808E+15
Altitude 70438462.871216

Triangular Pyramid

Length = n
Surface area 2.8645678463808E+15
Volume 6.3412002341518E+22
Height 38341842.733435