81344142 (number)

81344142 is an even 8-digits composite number following 81344141 and preceding 81344143. In scientific notation, it is written as 8.1344142 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 24649560 positive integers (up to 81344142) that are relatively prime to 81344142.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1344142 × 10^7
Engineering notation 8.1344142 × 10^6

Prime Factorization of 81344142

Prime Factorization 2 × 3 × 9 × 11 × 136943

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81344142
Product of the distinct prime numbers

The prime factorization of 81344142 is 2 × 3 × 9 × 11 × 136943. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 10, 96, 777, 290, 1630, 3647, 39121, 70577, 982354, 224498, 4016011, 5787647, 53350347, 74377560, 890852052, 732730359, 4134876733, 9816320828

Basic calculations (n = 81344142)

Multiplication

n×y
n×2 162688284
n×3 244032426
n×4 325376568
n×5 406720710

Division

n÷y
n÷2 40672071
n÷3 27114714
n÷3 20336035.5
n÷5 16268828.4

Exponentiation

ny
n2 6616869437716164
n3 5.3824356713704E+23
n4 4.3782961155782E+31
n5 3.5614874094364E+39

Nth Root

y√n
2√n 9019.0987354613
3√n 433.28676909256
4√n 94.968935634034
5√n 38.200166561071

Divisors of 81344142

1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 198, 297, 594, 136943, 273886, 410829, 821658, 1232487, 1506373, 2464974, 3012746, 3697461, 4519119, 7394922, 9038238, 13557357, 27114714, 40672071, 81344142

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81344141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81344142 can be divided by 32 positive divisors. The sum of these divisors (counting 81344142) is 1, the average is 0.03125.

Base conversion 81344142

Base System Value
2 Binary 100110110010011011010001110
3 Ternary 12200001201012000
4 Quaternary 10312103122032
5 Quinary 131311003032
6 Senary 12023253130
8 Octal 466233216
10 Decimal 81344142
12 Duodecimal 232aa1a6
16 Hexadecimal 4d9368e
20 Vigesimal 1588072
36 Base36 1cfhji

Cryptographic Hash Functions

md5 4d4cc8a5752b781dc66496972ebc0830
sha1 299bd73ba12851cdc1fbcf48e92d92f27002d519
sha256 9455fad354d6dafdd18a158cabee4eae882ac4731ba8f8ccb5621051571beac4
sha512 226e1e0f11fc1e424c8dc8928bf557476b5fd7b6b4230afe8e326d749eac57d6595e98d57ab59d06dda365b7a04380c3078f83310fa49e4c711fe45263c3e55b
ripemd-160 440a31e9fec2519e179659bc656162e73bbecfb0

81344142 as geometric shapes

Circle

Radius = n
Diameter 162688284
Circumference 511100317.83953
Area 2.0787508415292E+16

Sphere

Radius = n
Volume 2.2545893818129E+24
Surface area 8.3150033661168E+16
Circumference 511100317.83953

Square

Length = n
Perimeter 325376568
Area 6616869437716164
Diagonal 115037988.836

Cube

Length = n
Surface area 39701216626296984
Volume 5.3824356713704E+23
Space diagonal 140892186.8421

Equilateral Triangle

Length = n
Perimeter 244032426
Area 2.8651885132935E+15
Altitude 70446093.421049

Triangular Pyramid

Length = n
Surface area 2.8651885132935E+15
Volume 6.3432612708773E+22
Height 38345996.278668