81490156 (number)

81490156 is an even 8-digits composite number following 81490155 and preceding 81490157. In scientific notation, it is written as 8.1490156 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 37040960 positive integers (up to 81490156) that are relatively prime to 81490156.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety thousand one hundred fifty-six

Notation

Scientific notation 8.1490156 × 10^7
Engineering notation 8.1490156 × 10^6

Prime Factorization of 81490156

Prime Factorization 2 × 2 × 11 × 1852049

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40745078
Product of the distinct prime numbers

The prime factorization of 81490156 is 2 × 2 × 11 × 1852049. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 76, 43, 235, 766, 4202, 7278, 81871, 94819, 721920, 621854, 9715572, 2492476, 77555007, 57467214, 835428767, 332089921, 7359059297, 4496695241

Basic calculations (n = 81490156)

Multiplication

n×y
n×2 162980312
n×3 244470468
n×4 325960624
n×5 407450780

Division

n÷y
n÷2 40745078
n÷3 27163385.333333
n÷3 20372539
n÷5 16298031.2

Exponentiation

ny
n2 6640645524904336
n3 5.4114723976516E+23
n4 4.4098172987432E+31
n5 3.5935669960608E+39

Nth Root

y√n
2√n 9027.1898174349
3√n 433.5458662896
4√n 95.01152465588
5√n 38.213870703558

Divisors of 81490156

1, 2, 4, 11, 22, 44, 1852049, 3704098, 7408196, 20372539, 40745078, 81490156

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 -81490155
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 81490156 can be divided by 12 positive divisors. The sum of these divisors (counting 81490156) is 1, the average is 0.083333333333333.

Base conversion 81490156

Base System Value
2 Binary 100110110110111000011101100
3 Ternary 12200100010110221
4 Quaternary 10312313003230
5 Quinary 131330141111
6 Senary 12030341124
8 Octal 466670354
10 Decimal 81490156
12 Duodecimal 2335a7a4
16 Hexadecimal 4db70ec
20 Vigesimal 159657g
36 Base36 1cim7g

Cryptographic Hash Functions

md5 a368314932554e95d2ab1e50122ac3e5
sha1 3d785387f37f6478fde84ff0f49a2d0c4f62104b
sha256 8a6ed6bbfee59315b9c625d6722b3812991a598d4cd55c34ae3bb5e6c6da9628
sha512 56e2ac2a35ffa00234b5ea41eb4868ca0ba954623f7f78b276c4d039e210d2b8bad77faabaee3228a60c0dd890fac9435259bdbca6ead71ce9ce334e055a860a
ripemd-160 365fce76e5d62ceae5a1f6122486e3ea0b34e129

81490156 as geometric shapes

Circle

Radius = n
Diameter 162980312
Circumference 512017750.85897
Area 2.0862203196133E+16

Sphere

Radius = n
Volume 2.2667522572755E+24
Surface area 8.3448812784534E+16
Circumference 512017750.85897

Square

Length = n
Perimeter 325960624
Area 6640645524904336
Diagonal 115244483.8151

Cube

Length = n
Surface area 39843873149426016
Volume 5.4114723976516E+23
Space diagonal 141145090.50871

Equilateral Triangle

Length = n
Perimeter 244470468
Area 2.8754838610473E+15
Altitude 70572545.254357

Triangular Pyramid

Length = n
Surface area 2.8754838610473E+15
Volume 6.3774813809721E+22
Height 38414827.938366