20138971 (number)

20138971 is an odd 8-digits composite number following 20138970 and preceding 20138972. In scientific notation, it is written as 2.0138971 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20034432 positive integers (up to 20138971) that are relatively prime to 20138971.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred seventy-one

Notation

Scientific notation 2.0138971 × 10^7
Engineering notation 2.0138971 × 10^6

Prime Factorization of 20138971

Prime Factorization 193 × 104347

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20138971
Product of the distinct prime numbers

The prime factorization of 20138971 is 193 × 104347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138971)

Multiplication

n×y
n×2 40277942
n×3 60416913
n×4 80555884
n×5 100694855

Division

n÷y
n÷2 10069485.5
n÷3 6712990.3333333
n÷3 5034742.75
n÷5 4027794.2

Exponentiation

ny
n2 405578152938841
n3 8.1679266602689E+21
n4 1.6449363814128E+29
n5 3.3127326082118E+36

Nth Root

y√n
2√n 4487.6464878598
3√n 272.06901993427
4√n 66.989898401623
5√n 28.893985819175

Divisors of 20138971

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 -20138970
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 20138971 can be divided by 4 positive divisors. The sum of these divisors (counting 20138971) is 1, the average is 0.25.

Base conversion 20138971

Base System Value
2 Binary 1001100110100101111011011
3 Ternary 1101220011110211
4 Quaternary 1030310233123
5 Quinary 20123421341
6 Senary 1555351551
8 Octal 114645733
10 Decimal 20138971
12 Duodecimal 68b25b7
16 Hexadecimal 1334bdb
20 Vigesimal 65h78b
36 Base36 bznbv

Cryptographic Hash Functions

md5 7ed79f35ff7194f292ccbfd059873c24
sha1 3923425b87d46be15ea8d00b3b50ac37772152d1
sha256 027177066578a51520906a7723741f9b97008b0f1b30293a476daebf1c18060e
sha512 06fee26c600bf1b42c7a226536b9840e90a323a36e3d46a4916c7b005bd6e9328c5da2be4818206ec39127cef2711549f23b2601ab576667ca32b9da3bc4cc6c
ripemd-160 07181b361ac8651ce0684a7c269ecacb4cd2ee60

20138971 as geometric shapes

Circle

Radius = n
Diameter 40277942
Circumference 126536886.68892
Area 1.2741613457292E+15

Sphere

Radius = n
Volume 3.4213731187948E+22
Surface area 5.0966453829167E+15
Circumference 126536886.68892

Square

Length = n
Perimeter 80555884
Area 405578152938841
Diagonal 28480805.920438

Cube

Length = n
Surface area 2433468917633046
Volume 8.1679266602689E+21
Space diagonal 34881720.984156

Equilateral Triangle

Length = n
Perimeter 60416913
Area 1.756204918325E+14
Altitude 17440860.492078

Triangular Pyramid

Length = n
Surface area 1.756204918325E+14
Volume 9.6259938828509E+20
Height 9493601.9734795