81810014 (number)

81810014 is an even 8-digits composite number following 81810013 and preceding 81810015. In scientific notation, it is written as 8.1810014 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 34325760 positive integers (up to 81810014) that are relatively prime to 81810014.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred ten thousand fourteen

Notation

Scientific notation 8.1810014 × 10^7
Engineering notation 8.1810014 × 10^6

Prime Factorization of 81810014

Prime Factorization 2 × 13 × 11 × 286049

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81810014
Product of the distinct prime numbers

The prime factorization of 81810014 is 2 × 13 × 11 × 286049. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 64, 5, 38, 672, 8462, 8562, 47911, 80971, 26275, 3433, 4394737, 7600317, 35981694, 19310293, 334557260, 452916185, 7527632191, 609240625

Basic calculations (n = 81810014)

Multiplication

n×y
n×2 163620028
n×3 245430042
n×4 327240056
n×5 409050070

Division

n÷y
n÷2 40905007
n÷3 27270004.666667
n÷3 20452503.5
n÷5 16362002.8

Exponentiation

ny
n2 6692878390680196
n3 5.4754447484184E+23
n4 4.4794621152434E+31
n5 3.6646485836053E+39

Nth Root

y√n
2√n 9044.8888329266
3√n 434.11236445848
4√n 95.104620460452
5√n 38.243822460307

Divisors of 81810014

1, 2, 11, 13, 22, 26, 143, 286, 286049, 572098, 3146539, 3718637, 6293078, 7437274, 40905007, 81810014

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 -81810013
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 81810014 can be divided by 16 positive divisors. The sum of these divisors (counting 81810014) is 1, the average is 0.0625.

Base conversion 81810014

Base System Value
2 Binary 100111000000101001001011110
3 Ternary 12200221101020112
4 Quaternary 10320011021132
5 Quinary 131420410024
6 Senary 12041250022
8 Octal 470051136
10 Decimal 81810014
12 Duodecimal 23493912
16 Hexadecimal 4e0525e
20 Vigesimal 15b650e
36 Base36 1cph0e

Cryptographic Hash Functions

md5 f5d3304d30136d7af263540c08f4a534
sha1 b72af7c1ae2646eb27b1fd428f5690812b61d2ba
sha256 869728f39831e05b58201d9dfe8ff93803f5b2dc7b763469a436db8a2c099a95
sha512 71d5ac7fa4ba6ab7d2607b5523c8c85ce14ef127420e06b048871bb8d8112a4ca2ade0fd0e6a7c98adbe3fb7ab05dc1dd1d3aa431505ce6b88644ea13b158d79
ripemd-160 b1c107e7f674df9712fefbc26cbd7c8951ec4abc

81810014 as geometric shapes

Circle

Radius = n
Diameter 163620028
Circumference 514027477.94496
Area 2.1026297583531E+16

Sphere

Radius = n
Volume 2.2935489329024E+24
Surface area 8.4105190334123E+16
Circumference 514027477.94496

Square

Length = n
Perimeter 327240056
Area 6692878390680196
Diagonal 115696831.33673

Cube

Length = n
Surface area 40157270344081176
Volume 5.4754447484184E+23
Space diagonal 141699100.81592

Equilateral Triangle

Length = n
Perimeter 245430042
Area 2.8981013553845E+15
Altitude 70849550.407961

Triangular Pyramid

Length = n
Surface area 2.8981013553845E+15
Volume 6.4528735193649E+22
Height 38565610.445578