81742012 (number)

81742012 is an even 8-digits composite number following 81742011 and preceding 81742013. In scientific notation, it is written as 8.1742012 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 37155440 positive integers (up to 81742012) that are relatively prime to 81742012.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-two thousand twelve

Notation

Scientific notation 8.1742012 × 10^7
Engineering notation 8.1742012 × 10^6

Prime Factorization of 81742012

Prime Factorization 2 × 2 × 11 × 1857773

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40871006
Product of the distinct prime numbers

The prime factorization of 81742012 is 2 × 2 × 11 × 1857773. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81742012)

Multiplication

n×y
n×2 163484024
n×3 245226036
n×4 326968048
n×5 408710060

Division

n÷y
n÷2 40871006
n÷3 27247337.333333
n÷3 20435503
n÷5 16348402.4

Exponentiation

ny
n2 6681756525808144
n3 5.4618022211369E+23
n4 4.464587027018E+31
n5 3.6494432633755E+39

Nth Root

y√n
2√n 9041.1289118118
3√n 433.99205036866
4√n 95.084851116315
5√n 38.237462550548

Divisors of 81742012

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81742011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81742012 can be divided by 12 positive divisors. The sum of these divisors (counting 81742012) is 1, the average is 0.083333333333333.

Base conversion 81742012

Base System Value
2 Binary 100110111110100100010111100
3 Ternary 12200210220221221
4 Quaternary 10313310202330
5 Quinary 131411221022
6 Senary 12040003124
8 Octal 467644274
10 Decimal 81742012
12 Duodecimal 234604a4
16 Hexadecimal 4df48bc
20 Vigesimal 15ahf0c
36 Base36 1co0jg

Cryptographic Hash Functions

md5 bb01b648b6f99bdc985bf026f0e6650d
sha1 0a087a8b9f47699a64403174c808b0fe778f7fc0
sha256 bead3d1e81b2cf9c168e22a9af2906d1a38bdf0cddaca8f02207426666b287dc
sha512 34f77fe17c4f3b26d1f9c85ab0cd6a56a70e0067dc47d6c9ccad85ee05f6ade4b48a6a018c2b484a1ad4c619e6f118261d1396cf1abd171295d21b2ef0ffd8f1
ripemd-160 da6ce79762ac0614bb6f0368d2f8a76d10ff19d8

81742012 as geometric shapes

Circle

Radius = n
Diameter 163484024
Circumference 513600208.7777
Area 2.0991357214555E+16

Sphere

Radius = n
Volume 2.2878343644379E+24
Surface area 8.3965428858218E+16
Circumference 513600208.7777

Square

Length = n
Perimeter 326968048
Area 6681756525808144
Diagonal 115600661.98606

Cube

Length = n
Surface area 40090539154848864
Volume 5.4618022211369E+23
Space diagonal 141581317.8969

Equilateral Triangle

Length = n
Perimeter 245226036
Area 2.8932854466262E+15
Altitude 70790658.948452

Triangular Pyramid

Length = n
Surface area 2.8932854466262E+15
Volume 6.4367956467761E+22
Height 38533553.995355