20008181 (number)

20008181 is an odd 8-digits composite number following 20008180 and preceding 20008182. In scientific notation, it is written as 2.0008181 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 19982700 positive integers (up to 20008181) that are relatively prime to 20008181.

Interesting facts

Basic properties

Name

Name twenty million eight thousand one hundred eighty-one

Notation

Scientific notation 2.0008181 × 10^7
Engineering notation 2.0008181 × 10^6

Prime Factorization of 20008181

Prime Factorization 811 × 24671

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20008181
Product of the distinct prime numbers

The prime factorization of 20008181 is 811 × 24671. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20008181)

Multiplication

n×y
n×2 40016362
n×3 60024543
n×4 80032724
n×5 100040905

Division

n÷y
n÷2 10004090.5
n÷3 6669393.6666667
n÷3 5002045.25
n÷5 4001636.2

Exponentiation

ny
n2 400327306928761
n3 8.0098212162732E+21
n4 1.6026195267283E+29
n5 3.2065501564915E+36

Nth Root

y√n
2√n 4473.0505250891
3√n 271.47876769838
4√n 66.880868154422
5√n 28.856358277593

Divisors of 20008181

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20008180
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20008181 can be divided by 4 positive divisors. The sum of these divisors (counting 20008181) is 1, the average is 0.25.

Base conversion 20008181

Base System Value
2 Binary 1001100010100110011110101
3 Ternary 1101122112001202
4 Quaternary 1030110303311
5 Quinary 20110230211
6 Senary 1552502245
8 Octal 114246365
10 Decimal 20008181
12 Duodecimal 684a985
16 Hexadecimal 1314cf5
20 Vigesimal 651091
36 Base36 bwuet

Cryptographic Hash Functions

md5 0acd4e6398099a2ea58242001b972039
sha1 4fe9aaea2286150d02586ac40091a4d4d85d7dc0
sha256 7850130cc534c65a24f9af351e3f1481f5e21be929e25a2cd9fcd1007260b286
sha512 c3d844952817698194e69bb4d49d65210512c5a6d0f0921f2f5aadd00961745407d120dc496a777a2c9df81565beff9006203ef4d8d1f214b5ee3027d5584432
ripemd-160 42213cdc662c9f3b6339aa799b49564037262c88

20008181 as geometric shapes

Circle

Radius = n
Diameter 40016362
Circumference 125715108.88259
Area 1.2576653264788E+15

Sphere

Radius = n
Volume 3.3551460652815E+22
Surface area 5.0306613059151E+15
Circumference 125715108.88259

Square

Length = n
Perimeter 80032724
Area 400327306928761
Diagonal 28295840.928616

Cube

Length = n
Surface area 2401963841572566
Volume 8.0098212162732E+21
Space diagonal 34655186.059034

Equilateral Triangle

Length = n
Perimeter 60024543
Area 1.7334680881446E+14
Altitude 17327593.029517

Triangular Pyramid

Length = n
Surface area 1.7334680881446E+14
Volume 9.4396648301978E+20
Height 9431946.9762052