81093025 (number)

81093025 is an odd 8-digits composite number following 81093024 and preceding 81093026. In scientific notation, it is written as 8.1093025 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 59883840 positive integers (up to 81093025) that are relatively prime to 81093025.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-three thousand twenty-five

Notation

Scientific notation 8.1093025 × 10^7
Engineering notation 8.1093025 × 10^6

Prime Factorization of 81093025

Prime Factorization 25 × 13 × 249517

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81093025
Product of the distinct prime numbers

The prime factorization of 81093025 is 25 × 13 × 249517. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81093025)

Multiplication

n×y
n×2 162186050
n×3 243279075
n×4 324372100
n×5 405465125

Division

n÷y
n÷2 40546512.5
n÷3 27031008.333333
n÷3 20273256.25
n÷5 16218605

Exponentiation

ny
n2 6576078703650625
n3 5.3327411471711E+23
n4 4.3244811116607E+31
n5 3.5068525489993E+39

Nth Root

y√n
2√n 9005.1665725849
3√n 432.84044385521
4√n 94.895556126643
5√n 38.176551882943

Divisors of 81093025

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81093024
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81093025 can be divided by 8 positive divisors. The sum of these divisors (counting 81093025) is 1, the average is 0.125.

Base conversion 81093025

Base System Value
2 Binary 100110101010110000110100001
3 Ternary 12122120221201101
4 Quaternary 10311112012201
5 Quinary 131224434100
6 Senary 12014034401
8 Octal 465260641
10 Decimal 81093025
12 Duodecimal 231a8a01
16 Hexadecimal 4d561a1
20 Vigesimal 156gcb5
36 Base36 1ca3s1

Cryptographic Hash Functions

md5 a92fc18f226cd7002db74091a995051c
sha1 c7d3b627973dfa2c19e89d36b404f6ea8e1ea4cb
sha256 ff68a3172e70dfe3184e02ca3b09089df4d2412a950aae036a000d1ec1d1a0a4
sha512 a0de7474d72f4fc65e34decc8410c565e1ac40c9ac8c53adc42919c6e16297bb00470fd6ac2d33e359ed1a7a81ceda86810af1c3fdb3fee25063d94b740556bf
ripemd-160 ed0f752da9aa55390bbeac620cf7959eaa1f165f

81093025 as geometric shapes

Circle

Radius = n
Diameter 162186050
Circumference 509522503.19475
Area 2.0659360544817E+16

Sphere

Radius = n
Volume 2.2337733881932E+24
Surface area 8.2637442179268E+16
Circumference 509522503.19475

Square

Length = n
Perimeter 324372100
Area 6576078703650625
Diagonal 114682855.76886

Cube

Length = n
Surface area 39456472221903750
Volume 5.3327411471711E+23
Space diagonal 140457239.43945

Equilateral Triangle

Length = n
Perimeter 243279075
Area 2.8475256073236E+15
Altitude 70228619.719727

Triangular Pyramid

Length = n
Surface area 2.8475256073236E+15
Volume 6.284695712462E+22
Height 38227618.58962