81406075 (number)

81406075 is an odd 8-digits composite number following 81406074 and preceding 81406076. In scientific notation, it is written as 8.1406075 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 64391360 positive integers (up to 81406075) that are relatively prime to 81406075.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred six thousand seventy-five

Notation

Scientific notation 8.1406075 × 10^7
Engineering notation 8.1406075 × 10^6

Prime Factorization of 81406075

Prime Factorization 2225 × 36587

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81406075
Product of the distinct prime numbers

The prime factorization of 81406075 is 2225 × 36587. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81406075)

Multiplication

n×y
n×2 162812150
n×3 244218225
n×4 325624300
n×5 407030375

Division

n÷y
n÷2 40703037.5
n÷3 27135358.333333
n÷3 20351518.75
n÷5 16281215

Exponentiation

ny
n2 6626949046905625
n3 5.3947391113358E+23
n4 4.3916453670283E+31
n5 3.5750661212171E+39

Nth Root

y√n
2√n 9022.5315183711
3√n 433.39670506459
4√n 94.987007102925
5√n 38.205981683515

Divisors of 81406075

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81406074
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81406075 can be divided by 4 positive divisors. The sum of these divisors (counting 81406075) is 1, the average is 0.25.

Base conversion 81406075

Base System Value
2 Binary 100110110100010100001111011
3 Ternary 12200011212010211
4 Quaternary 10312202201323
5 Quinary 131314443300
6 Senary 12024451551
8 Octal 466424173
10 Decimal 81406075
12 Duodecimal 23319bb7
16 Hexadecimal 4da287b
20 Vigesimal 158ff3f
36 Base36 1cgtbv

Cryptographic Hash Functions

md5 26224f917e571523ddd7286cfe768c83
sha1 0152fda4074c57c699272f92cf998d21c06a4c10
sha256 1c5a512846d3d2a8b2749f3a966ed7a37c51d3537f529555042c5017b46598c0
sha512 a6c63095d54f087f618e87fb168fa8ad2c710ead0de741296475ca5404865f14c52ed9c1cce13a118dcb4ff97c5d6ab8b296598039efceb849fa191189c9d06c
ripemd-160 2208cec5434c7bd8c8a7260e2e698b23b9b48e81

81406075 as geometric shapes

Circle

Radius = n
Diameter 162812150
Circumference 511489454.35516
Area 2.0819174441473E+16

Sphere

Radius = n
Volume 2.2597430346941E+24
Surface area 8.327669776589E+16
Circumference 511489454.35516

Square

Length = n
Perimeter 325624300
Area 6626949046905625
Diagonal 115125575.32456

Cube

Length = n
Surface area 39761694281433750
Volume 5.3947391113358E+23
Space diagonal 140999457.94476

Equilateral Triangle

Length = n
Perimeter 244218225
Area 2.8695531121027E+15
Altitude 70499728.972381

Triangular Pyramid

Length = n
Surface area 2.8695531121027E+15
Volume 6.3577610139297E+22
Height 38375191.774854