81810010 (number)

81810010 is an even 8-digits composite number following 81810009 and preceding 81810011. In scientific notation, it is written as 8.1810010 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 31001616 positive integers (up to 81810010) that are relatively prime to 81810010.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred ten thousand ten

Notation

Scientific notation 8.1810010 × 10^7
Engineering notation 8.1810010 × 10^6

Prime Factorization of 81810010

Prime Factorization 2 × 5 × 19 × 430579

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81810010
Product of the distinct prime numbers

The prime factorization of 81810010 is 2 × 5 × 19 × 430579. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81810010)

Multiplication

n×y
n×2 163620020
n×3 245430030
n×4 327240040
n×5 409050050

Division

n÷y
n÷2 40905005
n÷3 27270003.333333
n÷3 20452502.5
n÷5 16362002

Exponentiation

ny
n2 6692877736200100
n3 5.4754439452731E+23
n4 4.4794612391723E+31
n5 3.664647687713E+39

Nth Root

y√n
2√n 9044.8886118072
3√n 434.11235738335
4√n 95.104619297946
5√n 38.24382208633

Divisors of 81810010

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 -81810009
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 81810010 can be divided by 16 positive divisors. The sum of these divisors (counting 81810010) is 1, the average is 0.0625.

Base conversion 81810010

Base System Value
2 Binary 100111000000101001001011010
3 Ternary 12200221101020101
4 Quaternary 10320011021122
5 Quinary 131420410020
6 Senary 12041250014
8 Octal 470051132
10 Decimal 81810010
12 Duodecimal 2349390a
16 Hexadecimal 4e0525a
20 Vigesimal 15b650a
36 Base36 1cph0a

Cryptographic Hash Functions

md5 462042aa95495e8f36d48a3f3cce5d44
sha1 fed57fd83a0369521b0350752ad45a8db58588f1
sha256 d692db0e4ec65c601c482be36f4c45986bbf0a0a88e832de8ae0d237dd0fadf9
sha512 b76d052964ea7c8feb922b284581faea53d968b4289787c575978282f7bfc26cdfb849e1177fd4582a8a97018e4a4b03c89fc52792a4e04c6883ed7c0e816df7
ripemd-160 3db34a858000de1312d9198fcb4d7ab483254b86

81810010 as geometric shapes

Circle

Radius = n
Diameter 163620020
Circumference 514027452.81222
Area 2.1026295527421E+16

Sphere

Radius = n
Volume 2.2935485964817E+24
Surface area 8.4105182109684E+16
Circumference 514027452.81222

Square

Length = n
Perimeter 327240040
Area 6692877736200100
Diagonal 115696825.67988

Cube

Length = n
Surface area 40157266417200600
Volume 5.4754439452731E+23
Space diagonal 141699093.88772

Equilateral Triangle

Length = n
Perimeter 245430030
Area 2.8981010719863E+15
Altitude 70849546.943859

Triangular Pyramid

Length = n
Surface area 2.8981010719863E+15
Volume 6.452872572849E+22
Height 38565608.55996