81002016 (number)

81002016 is an even 8-digits composite number following 81002015 and preceding 81002017. In scientific notation, it is written as 8.1002016 × 10^7. The sum of its digits is 18. It has a total of 8 prime factors and 48 positive divisors. There are 25159680 positive integers (up to 81002016) that are relatively prime to 81002016.

Interesting facts

Basic properties

Name

Name eighty-one million two thousand sixteen

Notation

Scientific notation 8.1002016 × 10^7
Engineering notation 8.1002016 × 10^6

Prime Factorization of 81002016

Prime Factorization 2 × 2 × 2 × 2 × 2 × 9 × 2147 × 131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 5062626
Product of the distinct prime numbers

The prime factorization of 81002016 is 2 × 2 × 2 × 2 × 2 × 9 × 2147 × 131. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81002016)

Multiplication

n×y
n×2 162004032
n×3 243006048
n×4 324008064
n×5 405010080

Division

n÷y
n÷2 40501008
n÷3 27000672
n÷3 20250504
n÷5 16200403.2

Exponentiation

ny
n2 6561326596064256
n3 5.3148068191562E+23
n4 4.305100670022E+31
n5 3.4872183335473E+39

Nth Root

y√n
2√n 9000.1119993031
3√n 432.67846066137
4√n 94.868920091372
5√n 38.167979085063

Divisors of 81002016

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81002015
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81002016 can be divided by 48 positive divisors. The sum of these divisors (counting 81002016) is 1, the average is 0.020833333333333.

Base conversion 81002016

Base System Value
2 Binary 100110100111111111000100000
3 Ternary 12122102022212200
4 Quaternary 10310333320200
5 Quinary 131214031031
6 Senary 12012053200
8 Octal 464777040
10 Decimal 81002016
12 Duodecimal 23164200
16 Hexadecimal 4d3fe20
20 Vigesimal 156550g
36 Base36 1c85k0

Cryptographic Hash Functions

md5 0783ba2c9f1df2e287eb78b57cbd8e13
sha1 e04c61e39b9ffabf561daff3af1719cd2240fcaf
sha256 2643f26e4a3820030760cddb1993874c72c1b4673fc26babf6afc892d2a0a897
sha512 dfe17fb09e3d3ee582e67c5b6a4706d26e3c40553322da037d868dc4cc04318d305b97277bfea94e50dfdee6ab2886da7eeb0bb422149070f43c0d68816855b1
ripemd-160 5589cf5f74a0387ee5f17083a74e573ce1b1a8ed

81002016 as geometric shapes

Circle

Radius = n
Diameter 162004032
Circumference 508950676.78313
Area 2.0613015431999E+16

Sphere

Radius = n
Volume 2.2262610744414E+24
Surface area 8.2452061727995E+16
Circumference 508950676.78313

Square

Length = n
Perimeter 324008064
Area 6561326596064256
Diagonal 114554149.60676

Cube

Length = n
Surface area 39367959576385536
Volume 5.3148068191562E+23
Space diagonal 140299607.22751

Equilateral Triangle

Length = n
Perimeter 243006048
Area 2.8411377573591E+15
Altitude 70149803.613754

Triangular Pyramid

Length = n
Surface area 2.8411377573591E+15
Volume 6.2635599042031E+22
Height 38184716.535587