81738260 (number)

81738260 is an even 8-digits composite number following 81738259 and preceding 81738261. In scientific notation, it is written as 8.1738260 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 32695296 positive integers (up to 81738260) that are relatively prime to 81738260.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand two hundred sixty

Notation

Scientific notation 8.1738260 × 10^7
Engineering notation 8.1738260 × 10^6

Prime Factorization of 81738260

Prime Factorization 2 × 2 × 5 × 4086913

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40869130
Product of the distinct prime numbers

The prime factorization of 81738260 is 2 × 2 × 5 × 4086913. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 10, 65, 86, 251, 2665, 6032, 14815, 91887, 665721, 592302, 2991408, 411386, 96999300, 77541443, 754703514, 874335492, 9708807058, 9320770642

Basic calculations (n = 81738260)

Multiplication

n×y
n×2 163476520
n×3 245214780
n×4 326953040
n×5 408691300

Division

n÷y
n÷2 40869130
n÷3 27246086.666667
n÷3 20434565
n÷5 16347652

Exponentiation

ny
n2 6681143147827600
n3 5.4610501571435E+23
n4 4.4637673761764E+31
n5 3.6486057837342E+39

Nth Root

y√n
2√n 9040.9214132189
3√n 433.98541011498
4√n 95.083759986755
5√n 38.2371115203

Divisors of 81738260

1, 2, 4, 5, 10, 20, 4086913, 8173826, 16347652, 20434565, 40869130, 81738260

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 -81738259
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 81738260 can be divided by 12 positive divisors. The sum of these divisors (counting 81738260) is 1, the average is 0.083333333333333.

Base conversion 81738260

Base System Value
2 Binary 100110111110011101000010100
3 Ternary 12200210201210222
4 Quaternary 10313303220110
5 Quinary 131411111020
6 Senary 12035533512
8 Octal 467635024
10 Decimal 81738260
12 Duodecimal 2345a298
16 Hexadecimal 4df3a14
20 Vigesimal 15ah5d0
36 Base36 1cnxn8

Cryptographic Hash Functions

md5 efcb8cbbdd12259b36ba8032b4340faa
sha1 686f82780f14456642efd3e196e070230e513b13
sha256 11fc13bcadf446d4799c143d8e95013d4782218a461524203e8112bfd7ed73bc
sha512 ecdcc678315287cf358e7982c9c7004dc99d42af3f5e76aaa7110d5b67e3ffff2071161a1a7456153dda1a2824f2d3f2e48be49708f5e5f51f7b5d439b21da6f
ripemd-160 456ab5e8640430b337638a6e62436127c242322b

81738260 as geometric shapes

Circle

Radius = n
Diameter 163476520
Circumference 513576634.26642
Area 2.0989430230797E+16

Sphere

Radius = n
Volume 2.287519340609E+24
Surface area 8.3957720923188E+16
Circumference 513576634.26642

Square

Length = n
Perimeter 326953040
Area 6681143147827600
Diagonal 115595355.85678

Cube

Length = n
Surface area 40086858886965600
Volume 5.4610501571435E+23
Space diagonal 141574819.24227

Equilateral Triangle

Length = n
Perimeter 245214780
Area 2.8930198461695E+15
Altitude 70787409.621137

Triangular Pyramid

Length = n
Surface area 2.8930198461695E+15
Volume 6.4359093308601E+22
Height 38531785.285593