81273722 (number)

81273722 is an even 8-digits composite number following 81273721 and preceding 81273723. In scientific notation, it is written as 8.1273722 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 40636860 positive integers (up to 81273722) that are relatively prime to 81273722.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-three thousand seven hundred twenty-two

Notation

Scientific notation 8.1273722 × 10^7
Engineering notation 8.1273722 × 10^6

Prime Factorization of 81273722

Prime Factorization 2 × 40636861

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81273722
Product of the distinct prime numbers

The prime factorization of 81273722 is 2 × 40636861. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81273722)

Multiplication

n×y
n×2 162547444
n×3 243821166
n×4 325094888
n×5 406368610

Division

n÷y
n÷2 40636861
n÷3 27091240.666667
n÷3 20318430.5
n÷5 16254744.4

Exponentiation

ny
n2 6605417887733284
n3 5.3684689710146E+23
n4 4.3631545471587E+31
n5 3.5460980970881E+39

Nth Root

y√n
2√n 9015.1939524339
3√n 433.16170020797
4√n 94.948375196387
5√n 38.19355025739

Divisors of 81273722

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 -81273721
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 81273722 can be divided by 4 positive divisors. The sum of these divisors (counting 81273722) is 1, the average is 0.25.

Base conversion 81273722

Base System Value
2 Binary 100110110000010001101111010
3 Ternary 12122221010120212
4 Quaternary 10312002031322
5 Quinary 131301224342
6 Senary 12021551122
8 Octal 466021572
10 Decimal 81273722
12 Duodecimal 232754a2
16 Hexadecimal 4d8237a
20 Vigesimal 157j462
36 Base36 1cdz7e

Cryptographic Hash Functions

md5 ebd3aacb55c1a3563ffab19cfccb5e19
sha1 1057ec10e8d235c38791ce7cebf35e56b5c42b21
sha256 170eb421020acea74cce1250e52d4cfc2df38d23c21bd44baaf837b0e0572151
sha512 c83146e36b62a8ab8f6a398fd7c5bbf660e4b88329012410f29cc6b1e912b5f878e8536219d8958fc04a3a39eb93f0fbb18bfe250727ef7532bedb90ea051bd0
ripemd-160 b61bf37c0af17e8ceb4b7f1d2b0d62262b633136

81273722 as geometric shapes

Circle

Radius = n
Diameter 162547444
Circumference 510657855.9302
Area 2.0751532309993E+16

Sphere

Radius = n
Volume 2.2487390240486E+24
Surface area 8.3006129239974E+16
Circumference 510657855.9302

Square

Length = n
Perimeter 325094888
Area 6605417887733284
Diagonal 114938399.91694

Cube

Length = n
Surface area 39632507326399704
Volume 5.3684689710146E+23
Space diagonal 140770215.82423

Equilateral Triangle

Length = n
Perimeter 243821166
Area 2.8602298466946E+15
Altitude 70385107.912114

Triangular Pyramid

Length = n
Surface area 2.8602298466946E+15
Volume 6.3268013566567E+22
Height 38312799.972314