81089969 (number)

81089969 is an odd 8-digits prime number following 81089968 and preceding 81089970. In scientific notation, it is written as 8.1089969 × 10^7. The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors. There are 81089968 positive integers (up to 81089969) that are relatively prime to 81089969.

Interesting facts

Basic properties

Name

Name eighty-one million eighty-nine thousand nine hundred sixty-nine

Notation

Scientific notation 8.1089969 × 10^7
Engineering notation 8.1089969 × 10^6

Prime Factorization of 81089969

Prime Factorization 81089969

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81089969
Product of the distinct prime numbers

The prime factorization of 81089969 is 81089969. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81089969)

Multiplication

n×y
n×2 162179938
n×3 243269907
n×4 324359876
n×5 405449845

Division

n÷y
n÷2 40544984.5
n÷3 27029989.666667
n÷3 20272492.25
n÷5 16217993.8

Exponentiation

ny
n2 6575583072420961
n3 5.3321382749954E+23
n4 4.3238292742309E+31
n5 3.5061918180868E+39

Nth Root

y√n
2√n 9004.9968906158
3√n 432.83500657289
4√n 94.894662076514
5√n 38.176264141054

Divisors of 81089969

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81089970
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40544985
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 9004.9969461405
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999975336
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81089969 can be divided by 2 positive divisors. The sum of these divisors (counting 81089969) is 81089970, the average is 40544985.

Base conversion 81089969

Base System Value
2 Binary 100110101010101010110110001
3 Ternary 12122120210112012
4 Quaternary 10311111112301
5 Quinary 131224334334
6 Senary 12014012305
8 Octal 465252661
10 Decimal 81089969
12 Duodecimal 231a7095
16 Hexadecimal 4d555b1
20 Vigesimal 156g4i9
36 Base36 1ca1f5

Cryptographic Hash Functions

md5 668f8dfd5277c0bd624fbb4703702f85
sha1 1515c1da6d5debcd398f0e79ea0b998478e35370
sha256 92ef873f1e9785ba89f8ea22011339cf6db129c022bf848eebb28b39bd944fde
sha512 2c7e17bec0765d5e6bf889cf70233eb15ff8d571a687cd2752962afa7c2278fde40881fbd2e259e5c15b26a6d15c04a4916f30c3ee0010e447d596493eadbcde
ripemd-160 c86ee6da54e252af9916c96e8052d935f7c62903

81089969 as geometric shapes

Circle

Radius = n
Diameter 162179938
Circumference 509503301.78045
Area 2.0657803473387E+16

Sphere

Radius = n
Volume 2.2335208576867E+24
Surface area 8.2631213893548E+16
Circumference 509503301.78045

Square

Length = n
Perimeter 324359876
Area 6575583072420961
Diagonal 114678533.93221

Cube

Length = n
Surface area 39453498434525766
Volume 5.3321382749954E+23
Space diagonal 140451946.29219

Equilateral Triangle

Length = n
Perimeter 243269907
Area 2.8473109927057E+15
Altitude 70225973.146093

Triangular Pyramid

Length = n
Surface area 2.8473109927057E+15
Volume 6.2839852207893E+22
Height 38226177.977405