81363946 (number)

81363946 is an even 8-digits composite number following 81363945 and preceding 81363947. In scientific notation, it is written as 8.1363946 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 40599948 positive integers (up to 81363946) that are relatively prime to 81363946.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-three thousand nine hundred forty-six

Notation

Scientific notation 8.1363946 × 10^7
Engineering notation 8.1363946 × 10^6

Prime Factorization of 81363946

Prime Factorization 2 × 499 × 81527

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81363946
Product of the distinct prime numbers

The prime factorization of 81363946 is 2 × 499 × 81527. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 25, 61, 258, 745, 4961, 3574, 3794, 45737, 206760, 438456, 5055434, 477240, 25191757, 38166434, 284067905, 690136121, 6324749489, 3080236422

Basic calculations (n = 81363946)

Multiplication

n×y
n×2 162727892
n×3 244091838
n×4 325455784
n×5 406819730

Division

n÷y
n÷2 40681973
n÷3 27121315.333333
n÷3 20340986.5
n÷5 16272789.2

Exponentiation

ny
n2 6620091708690916
n3 5.3863678430098E+23
n4 4.3825614231478E+31
n5 3.5658249097468E+39

Nth Root

y√n
2√n 9020.1965610512
3√n 433.32192882543
4√n 94.974715377574
5√n 38.202026418261

Divisors of 81363946

1, 2, 499, 998, 81527, 163054, 40681973, 81363946

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 -81363945
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 81363946 can be divided by 8 positive divisors. The sum of these divisors (counting 81363946) is 1, the average is 0.125.

Base conversion 81363946

Base System Value
2 Binary 100110110011000001111101010
3 Ternary 12200002201100111
4 Quaternary 10312120033222
5 Quinary 131312121241
6 Senary 12023524534
8 Octal 466301752
10 Decimal 81363946
12 Duodecimal 232b974a
16 Hexadecimal 4d983ea
20 Vigesimal 158a9h6
36 Base36 1cfwtm

Cryptographic Hash Functions

md5 041d93da0f3a1683521574ad36c28c73
sha1 24e4f10f7d84f53fede6c49d9bb5b3d3d4c1289f
sha256 103a545a76dd293db64bd91e67d32a811e0024bce7017aea4c5589ecd547cea7
sha512 bbba346942637abd4d2cbbcd0fcf16bf28bcb2e9453d758b52769230b44a01837bf798252f17d854a1854e54170661a92f1f821e2595a473598d7036b0e38b15
ripemd-160 4056c1f007c668a17d605e987ebc2a09a8c5d398

81363946 as geometric shapes

Circle

Radius = n
Diameter 162727892
Circumference 511224750.04135
Area 2.0797631478114E+16

Sphere

Radius = n
Volume 2.2562364860176E+24
Surface area 8.3190525912456E+16
Circumference 511224750.04135

Square

Length = n
Perimeter 325455784
Area 6620091708690916
Diagonal 115065995.92139

Cube

Length = n
Surface area 39720550252145496
Volume 5.3863678430098E+23
Space diagonal 140926488.37629

Equilateral Triangle

Length = n
Perimeter 244091838
Area 2.8665837975545E+15
Altitude 70463244.188145

Triangular Pyramid

Length = n
Surface area 2.8665837975545E+15
Volume 6.3478953795956E+22
Height 38355331.973797