81742743 (number)

81742743 is an odd 8-digits composite number following 81742742 and preceding 81742744. In scientific notation, it is written as 8.1742743 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 54495144 positive integers (up to 81742743) that are relatively prime to 81742743.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1742743 × 10^7
Engineering notation 8.1742743 × 10^6

Prime Factorization of 81742743

Prime Factorization 27 × 3027509

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81742743
Product of the distinct prime numbers

The prime factorization of 81742743 is 27 × 3027509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81742743)

Multiplication

n×y
n×2 163485486
n×3 245228229
n×4 326970972
n×5 408713715

Division

n÷y
n÷2 40871371.5
n÷3 27247581
n÷3 20435685.75
n÷5 16348548.6

Exponentiation

ny
n2 6681876033164049
n3 5.4619487533679E+23
n4 4.4647467322572E+31
n5 3.6496064469499E+39

Nth Root

y√n
2√n 9041.169338089
3√n 433.99334406181
4√n 95.085063696087
5√n 38.237530940069

Divisors of 81742743

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 -81742742
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 81742743 can be divided by 4 positive divisors. The sum of these divisors (counting 81742743) is 1, the average is 0.25.

Base conversion 81742743

Base System Value
2 Binary 100110111110100101110010111
3 Ternary 12200210221222000
4 Quaternary 10313310232113
5 Quinary 131411231433
6 Senary 12040010343
8 Octal 467645627
10 Decimal 81742743
12 Duodecimal 234609b3
16 Hexadecimal 4df4b97
20 Vigesimal 15ahgh3
36 Base36 1co13r

Cryptographic Hash Functions

md5 c2b8293d59ccd2ea3cb9fb6e70ef680d
sha1 84ddcc65580fa79f25f19baca925d2becca71c7e
sha256 19a285b832a8521db08ebc045c0a9b80c1ab9bce7ba6d49094a6cd38d61431f8
sha512 cd5999ee68a97157bea44ed09a2b91c06c4e92027e690bab124e07ab74acc7e0ec3ceb709fbbf9fc9254db3521fe9fccfe2232fe4a8095f9282341c088708a65
ripemd-160 dcc4aae1cd5d2efa36adeb9b8411eb7238387faf

81742743 as geometric shapes

Circle

Radius = n
Diameter 163485486
Circumference 513604801.78616
Area 2.0991732657986E+16

Sphere

Radius = n
Volume 2.2878957437153E+24
Surface area 8.3966930631944E+16
Circumference 513604801.78616

Square

Length = n
Perimeter 326970972
Area 6681876033164049
Diagonal 115601695.77618

Cube

Length = n
Surface area 40091256198984294
Volume 5.4619487533679E+23
Space diagonal 141582584.02605

Equilateral Triangle

Length = n
Perimeter 245228229
Area 2.8933371948292E+15
Altitude 70791292.013023

Triangular Pyramid

Length = n
Surface area 2.8933371948292E+15
Volume 6.4369683366664E+22
Height 38533898.592059