81430369 (number)

81430369 is an odd 8-digits composite number following 81430368 and preceding 81430370. In scientific notation, it is written as 8.1430369 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 80942596 positive integers (up to 81430369) that are relatively prime to 81430369.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred thirty thousand three hundred sixty-nine

Notation

Scientific notation 8.1430369 × 10^7
Engineering notation 8.1430369 × 10^6

Prime Factorization of 81430369

Prime Factorization 167 × 487607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81430369
Product of the distinct prime numbers

The prime factorization of 81430369 is 167 × 487607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81430369)

Multiplication

n×y
n×2 162860738
n×3 244291107
n×4 325721476
n×5 407151845

Division

n÷y
n÷2 40715184.5
n÷3 27143456.333333
n÷3 20357592.25
n÷5 16286073.8

Exponentiation

ny
n2 6630904995476161
n3 5.3995704058557E+23
n4 4.3968901059031E+31
n5 3.5804038377614E+39

Nth Root

y√n
2√n 9023.8777141537
3√n 433.43981360959
4√n 94.994093048745
5√n 38.208261772171

Divisors of 81430369

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 -81430368
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 81430369 can be divided by 4 positive divisors. The sum of these divisors (counting 81430369) is 1, the average is 0.25.

Base conversion 81430369

Base System Value
2 Binary 100110110101000011101100001
3 Ternary 12200020002110121
4 Quaternary 10312220131201
5 Quinary 131321232434
6 Senary 12025200241
8 Octal 466503541
10 Decimal 81430369
12 Duodecimal 23330081
16 Hexadecimal 4da8761
20 Vigesimal 158ifi9
36 Base36 1chc2p

Cryptographic Hash Functions

md5 d07a00cefc83484d2809fc260721bbdc
sha1 bd53a2b702fe1f9017d49ba9399e15881db031a8
sha256 c8baa62ecba7c7b7d4e11eadb2314b0a7bf5a51d1727cdda4be87fca99cac047
sha512 35a52f7d457a06cc206b2c01dbd7e186b98f631e5bc087bfb57d84c1982602e0d186086000a1c0d4c19c69d9f0bcbbfd89373735a4dc69fdad08090b5db47bb4
ripemd-160 010daa06159a8992e0fe030a5439ef62f0fdf2fb

81430369 as geometric shapes

Circle

Radius = n
Diameter 162860738
Circumference 511642098.05901
Area 2.083160242044E+16

Sphere

Radius = n
Volume 2.2617667626103E+24
Surface area 8.3326409681759E+16
Circumference 511642098.05901

Square

Length = n
Perimeter 325721476
Area 6630904995476161
Diagonal 115159932.22885

Cube

Length = n
Surface area 39785429972856966
Volume 5.3995704058557E+23
Space diagonal 141041536.38708

Equilateral Triangle

Length = n
Perimeter 244291107
Area 2.8712660880817E+15
Altitude 70520768.193541

Triangular Pyramid

Length = n
Surface area 2.8712660880817E+15
Volume 6.3634547491246E+22
Height 38386644.076282