81497180 (number)

81497180 is an even 8-digits composite number following 81497179 and preceding 81497181. In scientific notation, it is written as 8.1497180 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 32518080 positive integers (up to 81497180) that are relatively prime to 81497180.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand one hundred eighty

Notation

Scientific notation 8.1497180 × 10^7
Engineering notation 8.1497180 × 10^6

Prime Factorization of 81497180

Prime Factorization 2 × 2 × 5 × 421 × 9679

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40748590
Product of the distinct prime numbers

The prime factorization of 81497180 is 2 × 2 × 5 × 421 × 9679. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 9, 55, 35, 941, 309, 9883, 2942, 37550, 91279, 881450, 207557, 475948, 6523896, 36722471, 90976257, 818895727, 861460003, 9356445783, 3957132465

Basic calculations (n = 81497180)

Multiplication

n×y
n×2 162994360
n×3 244491540
n×4 325988720
n×5 407485900

Division

n÷y
n÷2 40748590
n÷3 27165726.666667
n÷3 20374295
n÷5 16299436

Exponentiation

ny
n2 6641790347952400
n3 5.4128718350934E+23
n4 4.4113379026154E+31
n5 3.5951159909027E+39

Nth Root

y√n
2√n 9027.5788559281
3√n 433.55832234901
4√n 95.013571956474
5√n 38.214529445638

Divisors of 81497180

1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 9679, 19358, 38716, 48395, 96790, 193580, 4074859, 8149718, 16299436, 20374295, 40748590, 81497180

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81497179
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81497180 can be divided by 24 positive divisors. The sum of these divisors (counting 81497180) is 1, the average is 0.041666666666667.

Base conversion 81497180

Base System Value
2 Binary 100110110111000110001011100
3 Ternary 12200100111010002
4 Quaternary 10312320301130
5 Quinary 131330402210
6 Senary 12030433432
8 Octal 466706134
10 Decimal 81497180
12 Duodecimal 23362878
16 Hexadecimal 4db8c5c
20 Vigesimal 15972j0
36 Base36 1cirmk

Cryptographic Hash Functions

md5 8747f9507a62893ed6a708c9ac7f2392
sha1 e492123bc1356ec22024cfa9ca667ba93f14fb8d
sha256 422852d7f994b97fb54d1ed7dc17ebb8646189c343ed23a44c26e620ad7ef8b9
sha512 fbbdbf22f59c53a353532182b5f7750241f1e73f4b8cd51f16f6b754a0225488673f19b2b5d285470b407ab46b88d3ba01794ee065b8211cd0331edcb39b3d7b
ripemd-160 0419a52f445fe634ef2baaed07d73fe3c56fb394

81497180 as geometric shapes

Circle

Radius = n
Diameter 162994360
Circumference 512061883.95257
Area 2.0865799763811E+16

Sphere

Radius = n
Volume 2.2673384522603E+24
Surface area 8.3463199055243E+16
Circumference 512061883.95257

Square

Length = n
Perimeter 325988720
Area 6641790347952400
Diagonal 115254417.25116

Cube

Length = n
Surface area 39850742087714400
Volume 5.4128718350934E+23
Space diagonal 141157256.43359

Equilateral Triangle

Length = n
Perimeter 244491540
Area 2.8759795839685E+15
Altitude 70578628.216793

Triangular Pyramid

Length = n
Surface area 2.8759795839685E+15
Volume 6.3791306338137E+22
Height 38418139.08372