81096987 (number)

81096987 is an odd 8-digits composite number following 81096986 and preceding 81096988. In scientific notation, it is written as 8.1096987 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 50884352 positive integers (up to 81096987) that are relatively prime to 81096987.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-six thousand nine hundred eighty-seven

Notation

Scientific notation 8.1096987 × 10^7
Engineering notation 8.1096987 × 10^6

Prime Factorization of 81096987

Prime Factorization 3 × 17 × 1590137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81096987
Product of the distinct prime numbers

The prime factorization of 81096987 is 3 × 17 × 1590137. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81096987)

Multiplication

n×y
n×2 162193974
n×3 243290961
n×4 324387948
n×5 405484935

Division

n÷y
n÷2 40548493.5
n÷3 27032329
n÷3 20274246.75
n÷5 16219397.4

Exponentiation

ny
n2 6576721300478169
n3 5.333522818075E+23
n4 4.3253263064163E+31
n5 3.507709312422E+39

Nth Root

y√n
2√n 9005.3865547238
3√n 432.84749290335
4√n 94.896715194593
5√n 38.176924917597

Divisors of 81096987

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 -81096986
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 81096987 can be divided by 8 positive divisors. The sum of these divisors (counting 81096987) is 1, the average is 0.125.

Base conversion 81096987

Base System Value
2 Binary 100110101010111000100011011
3 Ternary 12122121011011010
4 Quaternary 10311113010123
5 Quinary 131230100422
6 Senary 12014105003
8 Octal 465270433
10 Decimal 81096987
12 Duodecimal 231ab163
16 Hexadecimal 4d5711b
20 Vigesimal 156h297
36 Base36 1ca6u3

Cryptographic Hash Functions

md5 9e77a66a76f54a337d9e57653fc62da4
sha1 94120fdbcb17eff08a5c3f2dfddc3d37f62b1d0c
sha256 9f96814a12d19ad87d8df5cc996adbf2d00e7344615d33afd1b593455807f3c2
sha512 27931d56508e87eb98b57703a5feb93a508ad97141fd3e1d0478928cdc6d89493262183bd155de2b35e2ed1b2d5ba17fbbbef924f1c29f22f1ccffe04b1002d7
ripemd-160 3829a0080abd4ad95a8c828df5704e104e687044

81096987 as geometric shapes

Circle

Radius = n
Diameter 162193974
Circumference 509547397.17493
Area 2.066137932229E+16

Sphere

Radius = n
Volume 2.2341008137357E+24
Surface area 8.2645517289159E+16
Circumference 509547397.17493

Square

Length = n
Perimeter 324387948
Area 6576721300478169
Diagonal 114688458.88299

Cube

Length = n
Surface area 39460327802869014
Volume 5.333522818075E+23
Space diagonal 140464101.82475

Equilateral Triangle

Length = n
Perimeter 243290961
Area 2.8478038599122E+15
Altitude 70232050.912376

Triangular Pyramid

Length = n
Surface area 2.8478038599122E+15
Volume 6.2856169204567E+22
Height 38229486.294332