81878032 (number)

81878032 is an even 8-digits composite number following 81878031 and preceding 81878033. In scientific notation, it is written as 8.1878032 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 10 positive divisors. There are 40939008 positive integers (up to 81878032) that are relatively prime to 81878032.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy-eight thousand thirty-two

Notation

Scientific notation 8.1878032 × 10^7
Engineering notation 8.1878032 × 10^6

Prime Factorization of 81878032

Prime Factorization 2 × 2 × 2 × 2 × 5117377

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10234754
Product of the distinct prime numbers

The prime factorization of 81878032 is 2 × 2 × 2 × 2 × 5117377. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81878032)

Multiplication

n×y
n×2 163756064
n×3 245634096
n×4 327512128
n×5 409390160

Division

n÷y
n÷2 40939016
n÷3 27292677.333333
n÷3 20469508
n÷5 16375606.4

Exponentiation

ny
n2 6704012124193024
n3 5.4891131923306E+23
n4 4.4943778561327E+31
n5 3.6799081392453E+39

Nth Root

y√n
2√n 9048.6480758177
3√n 434.23264018008
4√n 95.12438213107
5√n 38.250179637204

Divisors of 81878032

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81878031
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81878032 can be divided by 10 positive divisors. The sum of these divisors (counting 81878032) is 1, the average is 0.1.

Base conversion 81878032

Base System Value
2 Binary 100111000010101110000010000
3 Ternary 12201001211112201
4 Quaternary 10320111300100
5 Quinary 131430044112
6 Senary 12042532544
8 Octal 470256020
10 Decimal 81878032
12 Duodecimal 23507154
16 Hexadecimal 4e15c10
20 Vigesimal 15bef1c
36 Base36 1cqxhs

Cryptographic Hash Functions

md5 935edb489e53d3c85ea89eaebdbab795
sha1 366dc20140fe37bfb14f1a7a5022ccd26579a410
sha256 9108e0bd176053159cf216706c69339159981c38604842d13da9eb0c0f315563
sha512 6fcf93dd8cd1a1b6c81d6dcf774090c443fa77e33e9291a3a1c239ad6e4b83b14d975f64875ad7e99548b9497bd4afe03eb195fe21300c9ab336703b0218cdd0
ripemd-160 52f1383747c8ca064e5f6669d2b0c7126b2cced3

81878032 as geometric shapes

Circle

Radius = n
Diameter 163756064
Circumference 514454847.64318
Area 2.1061275238942E+16

Sphere

Radius = n
Volume 2.2992743572998E+24
Surface area 8.4245100955767E+16
Circumference 514454847.64318

Square

Length = n
Perimeter 327512128
Area 6704012124193024
Diagonal 115793023.31482

Cube

Length = n
Surface area 40224072745158144
Volume 5.4891131923306E+23
Space diagonal 141816911.44775

Equilateral Triangle

Length = n
Perimeter 245634096
Area 2.902922403415E+15
Altitude 70908455.723875

Triangular Pyramid

Length = n
Surface area 2.902922403415E+15
Volume 6.4689819349959E+22
Height 38597674.438273