81276871 (number)

81276871 is an odd 8-digits composite number following 81276870 and preceding 81276872. In scientific notation, it is written as 8.1276871 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 71762592 positive integers (up to 81276871) that are relatively prime to 81276871.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-six thousand eight hundred seventy-one

Notation

Scientific notation 8.1276871 × 10^7
Engineering notation 8.1276871 × 10^6

Prime Factorization of 81276871

Prime Factorization 23 × 13 × 271829

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81276871
Product of the distinct prime numbers

The prime factorization of 81276871 is 23 × 13 × 271829. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81276871)

Multiplication

n×y
n×2 162553742
n×3 243830613
n×4 325107484
n×5 406384355

Division

n÷y
n÷2 40638435.5
n÷3 27092290.333333
n÷3 20319217.75
n÷5 16255374.2

Exponentiation

ny
n2 6605929759550641
n3 5.3690930090206E+23
n4 4.3638307988117E+31
n5 3.5467851290084E+39

Nth Root

y√n
2√n 9015.3686003402
3√n 433.16729450726
4√n 94.949294891222
5√n 38.19384621929

Divisors of 81276871

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 -81276870
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 81276871 can be divided by 8 positive divisors. The sum of these divisors (counting 81276871) is 1, the average is 0.125.

Base conversion 81276871

Base System Value
2 Binary 100110110000010111111000111
3 Ternary 12122221021220111
4 Quaternary 10312002333013
5 Quinary 131301324441
6 Senary 12022013451
8 Octal 466027707
10 Decimal 81276871
12 Duodecimal 23277287
16 Hexadecimal 4d82fc7
20 Vigesimal 157jc3b
36 Base36 1ce1mv

Cryptographic Hash Functions

md5 696d307160bfa05aa2a5c186d2141b0b
sha1 4b4f457b963c137f5474fdd0225584730b709e85
sha256 1fbd29560e3492d1a5277bf97a2af2304d760ba97ad619a1d14d6c9b24b8d672
sha512 c82bb62c7e2db829ba60768b82880fb8222ddce6e0bbff2f33dcaac794878186d2b94beeb546b94f34b841173889c2989b77a0324dccf77268cc4d03dadcf6d0
ripemd-160 e6f59eeb99b31afa48f839c09953f7d3d95cacf8

81276871 as geometric shapes

Circle

Radius = n
Diameter 162553742
Circumference 510677641.68073
Area 2.0753140402734E+16

Sphere

Radius = n
Volume 2.2490004204773E+24
Surface area 8.3012561610938E+16
Circumference 510677641.68073

Square

Length = n
Perimeter 325107484
Area 6605929759550641
Diagonal 114942853.27545

Cube

Length = n
Surface area 39635578557303846
Volume 5.3690930090206E+23
Space diagonal 140775670.05222

Equilateral Triangle

Length = n
Perimeter 243830613
Area 2.8604514936932E+15
Altitude 70387835.026111

Triangular Pyramid

Length = n
Surface area 2.8604514936932E+15
Volume 6.3275367924996E+22
Height 38314284.42515