81964142 (number)

81964142 is an even 8-digits composite number following 81964141 and preceding 81964143. In scientific notation, it is written as 8.1964142 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 37829592 positive integers (up to 81964142) that are relatively prime to 81964142.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1964142 × 10^7
Engineering notation 8.1964142 × 10^6

Prime Factorization of 81964142

Prime Factorization 2 × 13 × 3152467

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81964142
Product of the distinct prime numbers

The prime factorization of 81964142 is 2 × 13 × 3152467. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81964142)

Multiplication

n×y
n×2 163928284
n×3 245892426
n×4 327856568
n×5 409820710

Division

n÷y
n÷2 40982071
n÷3 27321380.666667
n÷3 20491035.5
n÷5 16392828.4

Exponentiation

ny
n2 6718120573796164
n3 5.5064498868375E+23
n4 4.5133144044063E+31
n5 3.6992994273341E+39

Nth Root

y√n
2√n 9053.4049948072
3√n 434.38481234498
4√n 95.149382524571
5√n 38.258221692385

Divisors of 81964142

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 -81964141
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 81964142 can be divided by 8 positive divisors. The sum of these divisors (counting 81964142) is 1, the average is 0.125.

Base conversion 81964142

Base System Value
2 Binary 100111000101010110001101110
3 Ternary 12201020012122222
4 Quaternary 10320222301232
5 Quinary 131440323032
6 Senary 12044435342
8 Octal 470526156
10 Decimal 81964142
12 Duodecimal 23548b52
16 Hexadecimal 4e2ac6e
20 Vigesimal 15c5a72
36 Base36 1csrxq

Cryptographic Hash Functions

md5 9c4b0ef6f61aad36dcc4d9306fee308c
sha1 5ad8d4e7e4f4bd29f3dc82af3fe64096c0d4da6b
sha256 0a8dad7b80d304ef8e714c8a2e3af5c538dbce678f2b9bd180e529a454dd0ee6
sha512 b69d6fca736ccc9e1c646a333d5044ef4e5de37de28fba897c9bc46832939e9845bf0f77832117da0e1a0def8d442b17b20980984287705195b6386243e0d774
ripemd-160 d34c867aee6d24343b0a3d6cb31da8c3ea7e2b7f

81964142 as geometric shapes

Circle

Radius = n
Diameter 163928284
Circumference 514995892.72998
Area 2.1105598240568E+16

Sphere

Radius = n
Volume 2.3065363349132E+24
Surface area 8.4422392962274E+16
Circumference 514995892.72998

Square

Length = n
Perimeter 327856568
Area 6718120573796164
Diagonal 115914801.24467

Cube

Length = n
Surface area 40308723442776984
Volume 5.5064498868375E+23
Space diagonal 141966058.34279

Equilateral Triangle

Length = n
Perimeter 245892426
Area 2.9090315412972E+15
Altitude 70983029.171395

Triangular Pyramid

Length = n
Surface area 2.9090315412972E+15
Volume 6.4894134254112E+22
Height 38638267.081558