81127974 (number)

81127974 is an even 8-digits composite number following 81127973 and preceding 81127975. In scientific notation, it is written as 8.1127974 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 27042656 positive integers (up to 81127974) that are relatively prime to 81127974.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-seven thousand nine hundred seventy-four

Notation

Scientific notation 8.1127974 × 10^7
Engineering notation 8.1127974 × 10^6

Prime Factorization of 81127974

Prime Factorization 2 × 3 × 13521329

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81127974
Product of the distinct prime numbers

The prime factorization of 81127974 is 2 × 3 × 13521329. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81127974)

Multiplication

n×y
n×2 162255948
n×3 243383922
n×4 324511896
n×5 405639870

Division

n÷y
n÷2 40563987
n÷3 27042658
n÷3 20281993.5
n÷5 16225594.8

Exponentiation

ny
n2 6581748165344676
n3 5.3396389403263E+23
n4 4.3319408912018E+31
n5 3.5144158799096E+39

Nth Root

y√n
2√n 9007.1068606962
3√n 432.90261594308
4√n 94.905778858277
5√n 38.179841937454

Divisors of 81127974

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 -81127973
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 81127974 can be divided by 8 positive divisors. The sum of these divisors (counting 81127974) is 1, the average is 0.125.

Base conversion 81127974

Base System Value
2 Binary 100110101011110101000100110
3 Ternary 12122122201122210
4 Quaternary 10311132220212
5 Quinary 131232043344
6 Senary 12014504250
8 Octal 465365046
10 Decimal 81127974
12 Duodecimal 23205086
16 Hexadecimal 4d5ea26
20 Vigesimal 1570jie
36 Base36 1cauqu

Cryptographic Hash Functions

md5 aedb702aa427458e30a01c8b2e9102ac
sha1 dd31b4664b89d6cf602fd8373d69bc07386dfd9b
sha256 69e7a1f86275d36a44ac1a3d2dacf183b0ae11143104c9f1b41ec4d53e4546dc
sha512 9dc483143a697d808b92310e740c647d1f7e0054c162964bc351320ae557497db48e798e82dcb6c85ae3a504fe67db09f5aff4b957ec1967e1ae478da46f74b8
ripemd-160 afb75d044eea683b3038dc92711bbf12e254220f

81127974 as geometric shapes

Circle

Radius = n
Diameter 162255948
Circumference 509742094.23805
Area 2.0677171684025E+16

Sphere

Radius = n
Volume 2.2366627290335E+24
Surface area 8.27086867361E+16
Circumference 509742094.23805

Square

Length = n
Perimeter 324511896
Area 6581748165344676
Diagonal 114732281.11865

Cube

Length = n
Surface area 39490488992068056
Volume 5.3396389403263E+23
Space diagonal 140517772.88313

Equilateral Triangle

Length = n
Perimeter 243383922
Area 2.8499805562501E+15
Altitude 70258886.441563

Triangular Pyramid

Length = n
Surface area 2.8499805562501E+15
Volume 6.2928248396541E+22
Height 38244093.706217