81231606 (number)

81231606 is an even 8-digits composite number following 81231605 and preceding 81231607. In scientific notation, it is written as 8.1231606 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 27077184 positive integers (up to 81231606) that are relatively prime to 81231606.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred thirty-one thousand six hundred six

Notation

Scientific notation 8.1231606 × 10^7
Engineering notation 8.1231606 × 10^6

Prime Factorization of 81231606

Prime Factorization 2 × 3 × 9 × 1504289

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81231606
Product of the distinct prime numbers

The prime factorization of 81231606 is 2 × 3 × 9 × 1504289. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 34, 42, 627, 380, 6215, 7229, 74789, 31164, 125561, 960365, 1773322, 4616047, 59809393, 35907857, 559500059, 571373020, 4703034298, 8280277927

Basic calculations (n = 81231606)

Multiplication

n×y
n×2 162463212
n×3 243694818
n×4 324926424
n×5 406158030

Division

n÷y
n÷2 40615803
n÷3 27077202
n÷3 20307901.5
n÷5 16246321.2

Exponentiation

ny
n2 6598573813339236
n3 5.3601274816709E+23
n4 4.3541176370086E+31
n5 3.5369196836714E+39

Nth Root

y√n
2√n 9012.8578153658
3√n 433.08686589169
4√n 94.936072255838
5√n 38.189591061112

Divisors of 81231606

1, 2, 3, 6, 9, 18, 27, 54, 1504289, 3008578, 4512867, 9025734, 13538601, 27077202, 40615803, 81231606

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 -81231605
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 81231606 can be divided by 16 positive divisors. The sum of these divisors (counting 81231606) is 1, the average is 0.0625.

Base conversion 81231606

Base System Value
2 Binary 100110101110111111011110110
3 Ternary 12122211222211000
4 Quaternary 10311313323312
5 Quinary 131243402411
6 Senary 12021024130
8 Octal 465677366
10 Decimal 81231606
12 Duodecimal 23255046
16 Hexadecimal 4d77ef6
20 Vigesimal 157dj06
36 Base36 1cd2pi

Cryptographic Hash Functions

md5 f317f5ef1e166188a9d6fead91c83cc1
sha1 f90df3c9c3ad83bc1e4789930cd5f4f25fbb0f33
sha256 fe38e2104c5c24f93c9e1f2bdeb9cf8dac868310748862ef25df25690a2c953f
sha512 67366ea3fb10d3ad5438cd63014fe6512e25a91642485444c9690b631220cdd23b80daa031ede4a4f06f8e370deeb6d92baed1bdc00ff83e297a56b45dac725f
ripemd-160 20a0ef0a33d8d21bffb92d4c200a89642d9a7509

81231606 as geometric shapes

Circle

Radius = n
Diameter 162463212
Circumference 510393233.2978
Area 2.0730031016157E+16

Sphere

Radius = n
Volume 2.2452449491629E+24
Surface area 8.2920124064626E+16
Circumference 510393233.2978

Square

Length = n
Perimeter 324926424
Area 6598573813339236
Diagonal 114878838.89855

Cube

Length = n
Surface area 39591442880035416
Volume 5.3601274816709E+23
Space diagonal 140697268.77242

Equilateral Triangle

Length = n
Perimeter 243694818
Area 2.8572662755493E+15
Altitude 70348634.386208

Triangular Pyramid

Length = n
Surface area 2.8572662755493E+15
Volume 6.3169708171898E+22
Height 38292946.299516