81273746 (number)

81273746 is an even 8-digits composite number following 81273745 and preceding 81273747. In scientific notation, it is written as 8.1273746 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 40593280 positive integers (up to 81273746) that are relatively prime to 81273746.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-three thousand seven hundred forty-six

Notation

Scientific notation 8.1273746 × 10^7
Engineering notation 8.1273746 × 10^6

Prime Factorization of 81273746

Prime Factorization 2 × 953 × 42641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81273746
Product of the distinct prime numbers

The prime factorization of 81273746 is 2 × 953 × 42641. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81273746)

Multiplication

n×y
n×2 162547492
n×3 243821238
n×4 325094984
n×5 406368730

Division

n÷y
n÷2 40636873
n÷3 27091248.666667
n÷3 20318436.5
n÷5 16254749.2

Exponentiation

ny
n2 6605421788872516
n3 5.3684737269169E+23
n4 4.3631597008912E+31
n5 3.5461033328767E+39

Nth Root

y√n
2√n 9015.1952835199
3√n 433.16174284528
4√n 94.948382205912
5√n 38.193552513088

Divisors of 81273746

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 -81273745
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 81273746 can be divided by 8 positive divisors. The sum of these divisors (counting 81273746) is 1, the average is 0.125.

Base conversion 81273746

Base System Value
2 Binary 100110110000010001110010010
3 Ternary 12122221010121202
4 Quaternary 10312002032102
5 Quinary 131301224441
6 Senary 12021551202
8 Octal 466021622
10 Decimal 81273746
12 Duodecimal 23275502
16 Hexadecimal 4d82392
20 Vigesimal 157j476
36 Base36 1cdz82

Cryptographic Hash Functions

md5 29790cb6c0ded2bf4b3fcc0a4515940c
sha1 781e1722619cc4d68677d30ec61b1eb46561c117
sha256 6baeb2f521b8f4c519193480a8a54385919f6e8f89a2b451cded56c83a62063b
sha512 71e47fd78bb091f7760ec07300e36d6238e7a221989362ccb48573a6106cbb04aa46161d12946096798d47eebb04d3a7c8da14dc237ef140ae3e9a09d5c196f3
ripemd-160 e558eb3112ef1d8ca2aef5083d8a84e8a5ff8e84

81273746 as geometric shapes

Circle

Radius = n
Diameter 162547492
Circumference 510658006.72665
Area 2.0751544565784E+16

Sphere

Radius = n
Volume 2.2487410161963E+24
Surface area 8.3006178263135E+16
Circumference 510658006.72665

Square

Length = n
Perimeter 325094984
Area 6605421788872516
Diagonal 114938433.85807

Cube

Length = n
Surface area 39632530733235096
Volume 5.3684737269169E+23
Space diagonal 140770257.39345

Equilateral Triangle

Length = n
Perimeter 243821238
Area 2.8602315359374E+15
Altitude 70385128.696724

Triangular Pyramid

Length = n
Surface area 2.8602315359374E+15
Volume 6.3268069615413E+22
Height 38312811.286022