81342655 (number)

81342655 is an odd 8-digits composite number following 81342654 and preceding 81342656. In scientific notation, it is written as 8.1342655 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 65074120 positive integers (up to 81342655) that are relatively prime to 81342655.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-two thousand six hundred fifty-five

Notation

Scientific notation 8.1342655 × 10^7
Engineering notation 8.1342655 × 10^6

Prime Factorization of 81342655

Prime Factorization 5 × 16268531

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81342655
Product of the distinct prime numbers

The prime factorization of 81342655 is 5 × 16268531. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81342655)

Multiplication

n×y
n×2 162685310
n×3 244027965
n×4 325370620
n×5 406713275

Division

n÷y
n÷2 40671327.5
n÷3 27114218.333333
n÷3 20335663.75
n÷5 16268531

Exponentiation

ny
n2 6616627522449025
n3 5.3821404982208E+23
n4 4.377975977083E+31
n5 3.5611618950215E+39

Nth Root

y√n
2√n 9019.0162989098
3√n 433.28412886412
4√n 94.968501614534
5√n 38.200026897509

Divisors of 81342655

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 -81342654
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 81342655 can be divided by 4 positive divisors. The sum of these divisors (counting 81342655) is 1, the average is 0.25.

Base conversion 81342655

Base System Value
2 Binary 100110110010011000010111111
3 Ternary 12200001122010221
4 Quaternary 10312103002333
5 Quinary 131310431110
6 Senary 12023242211
8 Octal 466230277
10 Decimal 81342655
12 Duodecimal 232a9367
16 Hexadecimal 4d930bf
20 Vigesimal 1587gcf
36 Base36 1cfge7

Cryptographic Hash Functions

md5 6537a85aaefcb732c029eda05599a684
sha1 d2555391a245b3d19960debbea86a2e8f6bfcdd9
sha256 b14aeceafe54bb0274ec60a299e03e713bbfff161d31aca2bc62e25c2db0400f
sha512 0b231dd4ba386a4e4045aad4501d97c154a3ed2da342a7ba32f827525ad7486ddef9e6a54ae8a4ee167bca1d27e78840cd2d9257ff071b694f87de24f94a7776
ripemd-160 c0945dfd67f0682cacb7cf2184644c8ed3de0e0b

81342655 as geometric shapes

Circle

Radius = n
Diameter 162685310
Circumference 511090974.74298
Area 2.0786748416066E+16

Sphere

Radius = n
Volume 2.2544657399731E+24
Surface area 8.3146993664264E+16
Circumference 511090974.74298

Square

Length = n
Perimeter 325370620
Area 6616627522449025
Diagonal 115035885.90044

Cube

Length = n
Surface area 39699765134694150
Volume 5.3821404982208E+23
Space diagonal 140889611.28255

Equilateral Triangle

Length = n
Perimeter 244027965
Area 2.8650837609101E+15
Altitude 70444805.641273

Triangular Pyramid

Length = n
Surface area 2.8650837609101E+15
Volume 6.3429134059844E+22
Height 38345295.300145