81276427 (number)

81276427 is an odd 8-digits composite number following 81276426 and preceding 81276428. In scientific notation, it is written as 8.1276427 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 80063280 positive integers (up to 81276427) that are relatively prime to 81276427.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-six thousand four hundred twenty-seven

Notation

Scientific notation 8.1276427 × 10^7
Engineering notation 8.1276427 × 10^6

Prime Factorization of 81276427

Prime Factorization 67 × 1213081

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81276427
Product of the distinct prime numbers

The prime factorization of 81276427 is 67 × 1213081. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81276427)

Multiplication

n×y
n×2 162552854
n×3 243829281
n×4 325105708
n×5 406382135

Division

n÷y
n÷2 40638213.5
n÷3 27092142.333333
n÷3 20319106.75
n÷5 16255285.4

Exponentiation

ny
n2 6605857585886329
n3 5.3690050185169E+23
n4 4.3637354445012E+31
n5 3.5466882530231E+39

Nth Root

y√n
2√n 9015.3439756894
3√n 433.1665057358
4√n 94.949165218497
5√n 38.193804490063

Divisors of 81276427

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 -81276426
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 81276427 can be divided by 4 positive divisors. The sum of these divisors (counting 81276427) is 1, the average is 0.25.

Base conversion 81276427

Base System Value
2 Binary 100110110000010111000001011
3 Ternary 12122221021022001
4 Quaternary 10312002320023
5 Quinary 131301321202
6 Senary 12022011431
8 Octal 466027013
10 Decimal 81276427
12 Duodecimal 23276b77
16 Hexadecimal 4d82e0b
20 Vigesimal 157jb17
36 Base36 1ce1aj

Cryptographic Hash Functions

md5 20fa7c4006e845f684589724cfc3605f
sha1 c9a454a828c7dff6d608ab3a40f763d4a79eb54f
sha256 382bdee7afc6a35a18b0bee6a3af2ea5a68667e1f531072537e753ab685cb40c
sha512 8adc862bc1eb5590d1cc353652f5c737365d3efaf7c720c962ed7d06cbbe78b8a86d33fd3da66f39b38d517674e4332f36ba882986c4b503529557094bd7744b
ripemd-160 f9b07de7eeb021de430f49016880bd1939e95a17

81276427 as geometric shapes

Circle

Radius = n
Diameter 162552854
Circumference 510674851.94645
Area 2.0752913662481E+16

Sphere

Radius = n
Volume 2.2489635631012E+24
Surface area 8.3011654649924E+16
Circumference 510674851.94645

Square

Length = n
Perimeter 325105708
Area 6605857585886329
Diagonal 114942225.36463

Cube

Length = n
Surface area 39635145515317974
Volume 5.3690050185169E+23
Space diagonal 140774901.02166

Equilateral Triangle

Length = n
Perimeter 243829281
Area 2.8604202415799E+15
Altitude 70387450.510831

Triangular Pyramid

Length = n
Surface area 2.8604202415799E+15
Volume 6.3274330946965E+22
Height 38314075.121542