81274823 (number)

81274823 is an odd 8-digits composite number following 81274822 and preceding 81274824. In scientific notation, it is written as 8.1274823 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 69664128 positive integers (up to 81274823) that are relatively prime to 81274823.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-four thousand eight hundred twenty-three

Notation

Scientific notation 8.1274823 × 10^7
Engineering notation 8.1274823 × 10^6

Prime Factorization of 81274823

Prime Factorization 7 × 11610689

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81274823
Product of the distinct prime numbers

The prime factorization of 81274823 is 7 × 11610689. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81274823)

Multiplication

n×y
n×2 162549646
n×3 243824469
n×4 325099292
n×5 406374115

Division

n÷y
n÷2 40637411.5
n÷3 27091607.666667
n÷3 20318705.75
n÷5 16254964.6

Exponentiation

ny
n2 6605596853681329
n3 5.3686871509231E+23
n4 4.3633909793365E+31
n5 3.5463382952537E+39

Nth Root

y√n
2√n 9015.2550158052
3√n 433.16365618614
4√n 94.948696756749
5√n 38.193653737014

Divisors of 81274823

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 -81274822
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 81274823 can be divided by 4 positive divisors. The sum of these divisors (counting 81274823) is 1, the average is 0.25.

Base conversion 81274823

Base System Value
2 Binary 100110110000010011111000111
3 Ternary 12122221012002122
4 Quaternary 10312002133013
5 Quinary 131301243243
6 Senary 12022000155
8 Octal 466023707
10 Decimal 81274823
12 Duodecimal 2327605b
16 Hexadecimal 4d827c7
20 Vigesimal 157j713
36 Base36 1ce01z

Cryptographic Hash Functions

md5 a95996648138b9a0ed8baefe72c802f8
sha1 2d86700a716702aa6996b4549181d36485be885a
sha256 034b8591b0cae926ed685262d7e3766c8baa19a21665bf0aa06180736e271e52
sha512 e3080fa18584fb1da5d83dd3809bc5265d31449f44e9d74a1db1c9e781dd69a4832196f59ece6146f7ec9fca75fd2d6860623c13b741e5d69f9f13f579bd35ca
ripemd-160 49a495b655d8cfa8ea9f0a48c1b0bd22ee88a806

81274823 as geometric shapes

Circle

Radius = n
Diameter 162549646
Circumference 510664773.71722
Area 2.0752094548101E+16

Sphere

Radius = n
Volume 2.2488304150349E+24
Surface area 8.3008378192404E+16
Circumference 510664773.71722

Square

Length = n
Perimeter 325099292
Area 6605596853681329
Diagonal 114939956.96607

Cube

Length = n
Surface area 39633581122087974
Volume 5.3686871509231E+23
Space diagonal 140772122.81217

Equilateral Triangle

Length = n
Perimeter 243824469
Area 2.8603073412233E+15
Altitude 70386061.406084

Triangular Pyramid

Length = n
Surface area 2.8603073412233E+15
Volume 6.3270584841446E+22
Height 38313318.988691