81420102 (number)

81420102 is an even 8-digits composite number following 81420101 and preceding 81420103. In scientific notation, it is written as 8.1420102 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 26757360 positive integers (up to 81420102) that are relatively prime to 81420102.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred twenty thousand one hundred two

Notation

Scientific notation 8.1420102 × 10^7
Engineering notation 8.1420102 × 10^6

Prime Factorization of 81420102

Prime Factorization 2 × 9 × 71 × 63709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81420102
Product of the distinct prime numbers

The prime factorization of 81420102 is 2 × 9 × 71 × 63709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 83, 78, 995, 938, 5731, 6138, 94622, 67821, 888292, 474992, 5636674, 8715653, 69661143, 72821778, 823721860, 846426474, 3672676407, 3009452893

Basic calculations (n = 81420102)

Multiplication

n×y
n×2 162840204
n×3 244260306
n×4 325680408
n×5 407100510

Division

n÷y
n÷2 40710051
n÷3 27140034
n÷3 20355025.5
n÷5 16284020.4

Exponentiation

ny
n2 6629233009690404
n3 5.3975282783076E+23
n4 4.3946730296769E+31
n5 3.5781472633294E+39

Nth Root

y√n
2√n 9023.3088166149
3√n 433.4215963537
4√n 94.991098617791
5√n 38.207298239735

Divisors of 81420102

1, 2, 9, 18, 71, 142, 639, 1278, 63709, 127418, 573381, 1146762, 4523339, 9046678, 40710051, 81420102

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 -81420101
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 81420102 can be divided by 16 positive divisors. The sum of these divisors (counting 81420102) is 1, the average is 0.0625.

Base conversion 81420102

Base System Value
2 Binary 100110110100101111101000110
3 Ternary 12200012120101100
4 Quaternary 10312211331012
5 Quinary 131320420402
6 Senary 12025040530
8 Octal 466457506
10 Decimal 81420102
12 Duodecimal 23326146
16 Hexadecimal 4da5f46
20 Vigesimal 158ha52
36 Base36 1ch45i

Cryptographic Hash Functions

md5 53921049a39387ca7f83cf238cbed7ff
sha1 41a3da160bb15d9b7785e2bfe31ce91a5e8f4194
sha256 88ee228321374071f611747cbc5347f7604adf1f90c5ce046dda96bb187928b6
sha512 102d702877d76980a4967942cd50dc96ceed324b3ef5d3c3306bcd547cd1119114757c6ba3d99cc6f00bebc1cd1f27a4661de04beb0216d51880e7b54c78ab6e
ripemd-160 8062100ccee6af85933b63f817e82fa2f12a2477

81420102 as geometric shapes

Circle

Radius = n
Diameter 162840204
Circumference 511577588.59546
Area 2.0826349722178E+16

Sphere

Radius = n
Volume 2.2609113582232E+24
Surface area 8.3305398888713E+16
Circumference 511577588.59546

Square

Length = n
Perimeter 325680408
Area 6629233009690404
Diagonal 115145412.4982

Cube

Length = n
Surface area 39775398058142424
Volume 5.3975282783076E+23
Space diagonal 141023753.42144

Equilateral Triangle

Length = n
Perimeter 244260306
Area 2.8705420969991E+15
Altitude 70511876.71072

Triangular Pyramid

Length = n
Surface area 2.8705420969991E+15
Volume 6.3610480787291E+22
Height 38381804.166067