81289095 (number)

81289095 is an odd 8-digits composite number following 81289094 and preceding 81289096. In scientific notation, it is written as 8.1289095 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 43132544 positive integers (up to 81289095) that are relatively prime to 81289095.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1289095 × 10^7
Engineering notation 8.1289095 × 10^6

Prime Factorization of 81289095

Prime Factorization 5 × 3 × 197 × 27509

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81289095
Product of the distinct prime numbers

The prime factorization of 81289095 is 5 × 3 × 197 × 27509. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 21, 19, 654, 710, 834, 2864, 45398, 13538, 951642, 104756, 2457118, 6510435, 49332734, 58450501, 106926657, 892587653, 8414894643, 1828466667

Basic calculations (n = 81289095)

Multiplication

n×y
n×2 162578190
n×3 243867285
n×4 325156380
n×5 406445475

Division

n÷y
n÷2 40644547.5
n÷3 27096365
n÷3 20322273.75
n÷5 16257819

Exponentiation

ny
n2 6607916965919025
n3 5.371515899947E+23
n4 4.366456662848E+31
n5 3.5494531047964E+39

Nth Root

y√n
2√n 9016.0465282739
3√n 433.18900946548
4√n 94.952864771285
5√n 38.194995017184

Divisors of 81289095

1, 3, 5, 15, 197, 591, 985, 2955, 27509, 82527, 137545, 412635, 5419273, 16257819, 27096365, 81289095

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81289094
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81289095 can be divided by 16 positive divisors. The sum of these divisors (counting 81289095) is 1, the average is 0.0625.

Base conversion 81289095

Base System Value
2 Binary 100110110000101111110000111
3 Ternary 12122221220200020
4 Quaternary 10312011332013
5 Quinary 131302222340
6 Senary 12022150223
8 Octal 466057607
10 Decimal 81289095
12 Duodecimal 23282373
16 Hexadecimal 4d85f87
20 Vigesimal 15812ef
36 Base36 1ceb2f

Cryptographic Hash Functions

md5 e84f1004c38f4900cde2d0f93e5bdb35
sha1 d0b61e6f747a3e247e3bcf8315f02226ea650c36
sha256 2ec1245d97c40e3ac9e9d84c93c869f6572790aa35d1f595e5b60b7cb5d8c097
sha512 288350f2db681e2fdcc9fbe5f2847532ba9d611c72c938fbbf47cdaebe1fbfe18225f22fa4633dedff4e08cc99528ccb7a1c6823a767b7c687fd22862863a24a
ripemd-160 3fea677b49d9a9507843b2276c198f4f0f1d958f

81289095 as geometric shapes

Circle

Radius = n
Diameter 162578190
Circumference 510754447.33793
Area 2.0759383395663E+16

Sphere

Radius = n
Volume 2.2500153186552E+24
Surface area 8.303753358265E+16
Circumference 510754447.33793

Square

Length = n
Perimeter 325156380
Area 6607916965919025
Diagonal 114960140.62203

Cube

Length = n
Surface area 39647501795514150
Volume 5.371515899947E+23
Space diagonal 140796842.64129

Equilateral Triangle

Length = n
Perimeter 243867285
Area 2.861311979292E+15
Altitude 70398421.320647

Triangular Pyramid

Length = n
Surface area 2.861311979292E+15
Volume 6.3303921968398E+22
Height 38320046.874012