81362942 (number)

81362942 is an even 8-digits composite number following 81362941 and preceding 81362943. In scientific notation, it is written as 8.1362942 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 39689200 positive integers (up to 81362942) that are relatively prime to 81362942.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1362942 × 10^7
Engineering notation 8.1362942 × 10^6

Prime Factorization of 81362942

Prime Factorization 2 × 41 × 992231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81362942
Product of the distinct prime numbers

The prime factorization of 81362942 is 2 × 41 × 992231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81362942)

Multiplication

n×y
n×2 162725884
n×3 244088826
n×4 325451768
n×5 406814710

Division

n÷y
n÷2 40681471
n÷3 27120980.666667
n÷3 20340735.5
n÷5 16272588.4

Exponentiation

ny
n2 6619928330895364
n3 5.386168448308E+23
n4 4.3823451106191E+31
n5 3.5656049105929E+39

Nth Root

y√n
2√n 9020.1409079903
3√n 433.32014647577
4√n 94.974422388295
5√n 38.201932138115

Divisors of 81362942

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 -81362941
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 81362942 can be divided by 8 positive divisors. The sum of these divisors (counting 81362942) is 1, the average is 0.125.

Base conversion 81362942

Base System Value
2 Binary 100110110010111111111111110
3 Ternary 12200002122222022
4 Quaternary 10312113333332
5 Quinary 131312103232
6 Senary 12023520142
8 Octal 466277776
10 Decimal 81362942
12 Duodecimal 232b9052
16 Hexadecimal 4d97ffe
20 Vigesimal 158a772
36 Base36 1cfw1q

Cryptographic Hash Functions

md5 0e1731279811058e723d412a5c9491b2
sha1 3894b277742af9acbe761cf92daf6f29395f445a
sha256 00a4ef14952074eb6b4e42666587df1f5abe31f74549731ced50c5ed85f2da6c
sha512 686ff9a648928d4f14ff61b71eae1d4af0a000a427285385ee352bfcfb156de1e82118c9852131f51880d7b43a0deaaab40eda38efd0ec93d8ae60f03c612e1e
ripemd-160 a50368b5d931a7f493ce13c8cadff6375500587a

81362942 as geometric shapes

Circle

Radius = n
Diameter 162725884
Circumference 511218441.7233
Area 2.0797118211632E+16

Sphere

Radius = n
Volume 2.2561529637602E+24
Surface area 8.3188472846527E+16
Circumference 511218441.7233

Square

Length = n
Perimeter 325451768
Area 6619928330895364
Diagonal 115064576.05098

Cube

Length = n
Surface area 39719569985372184
Volume 5.386168448308E+23
Space diagonal 140924749.39728

Equilateral Triangle

Length = n
Perimeter 244088826
Area 2.8665130528939E+15
Altitude 70462374.69864

Triangular Pyramid

Length = n
Surface area 2.8665130528939E+15
Volume 6.347660390686E+22
Height 38354858.683659