81209095 (number)

81209095 is an odd 8-digits composite number following 81209094 and preceding 81209096. In scientific notation, it is written as 8.1209095 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 59061120 positive integers (up to 81209095) that are relatively prime to 81209095.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred nine thousand ninety-five

Notation

Scientific notation 8.1209095 × 10^7
Engineering notation 8.1209095 × 10^6

Prime Factorization of 81209095

Prime Factorization 55 × 1476529

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81209095
Product of the distinct prime numbers

The prime factorization of 81209095 is 55 × 1476529. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81209095)

Multiplication

n×y
n×2 162418190
n×3 243627285
n×4 324836380
n×5 406045475

Division

n÷y
n÷2 40604547.5
n÷3 27069698.333333
n÷3 20302273.75
n÷5 16241819

Exponentiation

ny
n2 6594917110719025
n3 5.3556725016151E+23
n4 4.3492931697255E+31
n5 3.5320216220309E+39

Nth Root

y√n
2√n 9011.6089018554
3√n 433.04685634521
4√n 94.929494372694
5√n 38.1874741974

Divisors of 81209095

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 -81209094
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 81209095 can be divided by 4 positive divisors. The sum of these divisors (counting 81209095) is 1, the average is 0.25.

Base conversion 81209095

Base System Value
2 Binary 100110101110010011100000111
3 Ternary 12122210211221021
4 Quaternary 10311302130013
5 Quinary 131242142340
6 Senary 12020332011
8 Octal 465623407
10 Decimal 81209095
12 Duodecimal 23244007
16 Hexadecimal 4d72707
20 Vigesimal 157b2ef
36 Base36 1cclc7

Cryptographic Hash Functions

md5 d7ffb9cc1ffb23dbc5f89594cf049ff5
sha1 72b7aed68b85c7e677b6dd27ebab2f94704a4d55
sha256 f9bfd0b423938f41cffc6ca8fee4a2870d50cd1f897ecf85334d95bc94d5762c
sha512 44a9900a3570912b4cf3229982d557fbd84408555c3690d21c68f0ef3dcf09663c511898908d116f1c42abd105a75a7c225ccf8d38fbe7f0f61eb0b469c90ed4
ripemd-160 0c8a06bdb6aa1871a850743e846bcccd2bb6e8ad

81209095 as geometric shapes

Circle

Radius = n
Diameter 162418190
Circumference 510251792.51335
Area 2.0718543146069E+16

Sphere

Radius = n
Volume 2.2433788514809E+24
Surface area 8.2874172584274E+16
Circumference 510251792.51335

Square

Length = n
Perimeter 324836380
Area 6594917110719025
Diagonal 114847003.53705

Cube

Length = n
Surface area 39569502664314150
Volume 5.3556725016151E+23
Space diagonal 140658278.57669

Equilateral Triangle

Length = n
Perimeter 243627285
Area 2.8556828768677E+15
Altitude 70329139.288344

Triangular Pyramid

Length = n
Surface area 2.8556828768677E+15
Volume 6.3117205728439E+22
Height 38282334.512348