81196021 (number)

81196021 is an odd 8-digits composite number following 81196020 and preceding 81196022. In scientific notation, it is written as 8.1196021 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 80392000 positive integers (up to 81196021) that are relatively prime to 81196021.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred ninety-six thousand twenty-one

Notation

Scientific notation 8.1196021 × 10^7
Engineering notation 8.1196021 × 10^6

Prime Factorization of 81196021

Prime Factorization 101 × 803921

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81196021
Product of the distinct prime numbers

The prime factorization of 81196021 is 101 × 803921. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81196021)

Multiplication

n×y
n×2 162392042
n×3 243588063
n×4 324784084
n×5 405980105

Division

n÷y
n÷2 40598010.5
n÷3 27065340.333333
n÷3 20299005.25
n÷5 16239204.2

Exponentiation

ny
n2 6592793826232441
n3 5.3530862596344E+23
n4 4.3464930435209E+31
n5 3.5291794043807E+39

Nth Root

y√n
2√n 9010.8834749984
3√n 433.02361609749
4√n 94.925673423992
5√n 38.186244544017

Divisors of 81196021

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 -81196020
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 81196021 can be divided by 4 positive divisors. The sum of these divisors (counting 81196021) is 1, the average is 0.25.

Base conversion 81196021

Base System Value
2 Binary 100110101101111001111110101
3 Ternary 12122210012000001
4 Quaternary 10311233033311
5 Quinary 131241233041
6 Senary 12020151301
8 Octal 465571765
10 Decimal 81196021
12 Duodecimal 23238531
16 Hexadecimal 4d6f3f5
20 Vigesimal 1579a11
36 Base36 1ccb91

Cryptographic Hash Functions

md5 7936d3132bf61f0d456d23c79b224964
sha1 9195ae794e27b79816453165f67ec36c043c2647
sha256 c6ac6d033b827ee225c52a7396b88274bcd26f16fcc4ce3ac5328531608e95e3
sha512 c6149acdcbd5f0d57298ea6e1443692adf9cad69823d06c1d1842d3c8b56d0f5c2cb40f4f789dc229be5a103dd8d526733165812b609711232d1990b519d4cf5
ripemd-160 1e5606c8c00439e9bdf4ab033311d8e9622ef98c

81196021 as geometric shapes

Circle

Radius = n
Diameter 162392042
Circumference 510169646.14865
Area 2.0711872651124E+16

Sphere

Radius = n
Volume 2.2422955289733E+24
Surface area 8.2847490604496E+16
Circumference 510169646.14865

Square

Length = n
Perimeter 324784084
Area 6592793826232441
Diagonal 114828514.10893

Cube

Length = n
Surface area 39556762957394646
Volume 5.3530862596344E+23
Space diagonal 140635633.74443

Equilateral Triangle

Length = n
Perimeter 243588063
Area 2.8547634677153E+15
Altitude 70317816.872215

Triangular Pyramid

Length = n
Surface area 2.8547634677153E+15
Volume 6.30867265744E+22
Height 38276171.369644