81642010 (number)

81642010 is an even 8-digits composite number following 81642009 and preceding 81642011. In scientific notation, it is written as 8.1642010 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 32656800 positive integers (up to 81642010) that are relatively prime to 81642010.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty-two thousand ten

Notation

Scientific notation 8.1642010 × 10^7
Engineering notation 8.1642010 × 10^6

Prime Factorization of 81642010

Prime Factorization 2 × 5 × 8164201

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81642010
Product of the distinct prime numbers

The prime factorization of 81642010 is 2 × 5 × 8164201. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81642010)

Multiplication

n×y
n×2 163284020
n×3 244926030
n×4 326568040
n×5 408210050

Division

n÷y
n÷2 40821005
n÷3 27214003.333333
n÷3 20410502.5
n÷5 16328402

Exponentiation

ny
n2 6665417796840100
n3 5.441781064238E+23
n4 4.4427794406433E+31
n5 3.6271744352079E+39

Nth Root

y√n
2√n 9035.5968258881
3√n 433.81499827375
4√n 95.055756405849
5√n 38.228102136693

Divisors of 81642010

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 -81642009
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 81642010 can be divided by 8 positive divisors. The sum of these divisors (counting 81642010) is 1, the average is 0.125.

Base conversion 81642010

Base System Value
2 Binary 100110111011100001000011010
3 Ternary 12200121211210011
4 Quaternary 10313130020122
5 Quinary 131400021020
6 Senary 12033512134
8 Octal 467341032
10 Decimal 81642010
12 Duodecimal 2341264a
16 Hexadecimal 4ddc21a
20 Vigesimal 15a550a
36 Base36 1clvdm

Cryptographic Hash Functions

md5 72a9501524cc445327b26c3b602869a0
sha1 18f81c43796d20d1bc08bb0e97c63e1ce63666a1
sha256 a9caa9e1a97e49ba834bd8c2f3d6b46bb7ddd50c80af8d27e38367a56abdae1b
sha512 ee2081f741b0cc04e4b15db7e76e6e10d81ba8f6e456b53d4a3dac2d1edae70b86dc36a873a442037e635106115d6a4dca085d07dd71a029879be46429ae4252
ripemd-160 ccaca9eda445d7e3f1733bc32c5f1d38d50b2ce0

81642010 as geometric shapes

Circle

Radius = n
Diameter 163284020
Circumference 512971877.68061
Area 2.094002758366E+16

Sphere

Radius = n
Volume 2.2794479218472E+24
Surface area 8.3760110334638E+16
Circumference 512971877.68061

Square

Length = n
Perimeter 326568040
Area 6665417796840100
Diagonal 115459237.8014

Cube

Length = n
Surface area 39992506781040600
Volume 5.441781064238E+23
Space diagonal 141408109.35205

Equilateral Triangle

Length = n
Perimeter 244926030
Area 2.8862105694502E+15
Altitude 70704054.676023

Triangular Pyramid

Length = n
Surface area 2.8862105694502E+15
Volume 6.413200487092E+22
Height 38486412.600467