20105431 (number)

20105431 is an odd 8-digits composite number following 20105430 and preceding 20105432. In scientific notation, it is written as 2.0105431 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 20074264 positive integers (up to 20105431) that are relatively prime to 20105431.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand four hundred thirty-one

Notation

Scientific notation 2.0105431 × 10^7
Engineering notation 2.0105431 × 10^6

Prime Factorization of 20105431

Prime Factorization 659 × 30509

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20105431
Product of the distinct prime numbers

The prime factorization of 20105431 is 659 × 30509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105431)

Multiplication

n×y
n×2 40210862
n×3 60316293
n×4 80421724
n×5 100527155

Division

n÷y
n÷2 10052715.5
n÷3 6701810.3333333
n÷3 5026357.75
n÷5 4021086.2

Exponentiation

ny
n2 404228355695761
n3 8.1271853136846E+21
n4 1.634005635485E+29
n5 3.2852387557855E+36

Nth Root

y√n
2√n 4483.9080053007
3√n 271.91789891613
4√n 66.961989257345
5√n 28.884355232592

Divisors of 20105431

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 -20105430
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 20105431 can be divided by 4 positive divisors. The sum of these divisors (counting 20105431) is 1, the average is 0.25.

Base conversion 20105431

Base System Value
2 Binary 1001100101100100011010111
3 Ternary 1101211110110121
4 Quaternary 1030230203113
5 Quinary 20121333211
6 Senary 1554532411
8 Octal 114544327
10 Decimal 20105431
12 Duodecimal 6897107
16 Hexadecimal 132c8d7
20 Vigesimal 65d3bb
36 Base36 byxg7

Cryptographic Hash Functions

md5 91efce775ec1b849204407036d476353
sha1 409d4288598366755cfb40100a9523ef677868c5
sha256 464d0cf732d87c7e2e2762b7775fa242a75a57c19054a29642a7bcfb15b44a38
sha512 591d6dfe4daebe11afc0e83c55dd8c2458e69af278957ab29e23dc3949c668f0a2e50a47a042bc061f659b36e2a242e44498ce9c0875d375c32b2f30d18dc3a3
ripemd-160 375fbb43ab6e5cce65d05d3e71f2b68fe134dfa1

20105431 as geometric shapes

Circle

Radius = n
Diameter 40210862
Circumference 126326148.65371
Area 1.2699208326265E+15

Sphere

Radius = n
Volume 3.4043074234446E+22
Surface area 5.0796833305059E+15
Circumference 126326148.65371

Square

Length = n
Perimeter 80421724
Area 404228355695761
Diagonal 28433373.197556

Cube

Length = n
Surface area 2425370134174566
Volume 8.1271853136846E+21
Space diagonal 34823628.00007

Equilateral Triangle

Length = n
Perimeter 60316293
Area 1.7503601248127E+14
Altitude 17411814.000035

Triangular Pyramid

Length = n
Surface area 1.7503601248127E+14
Volume 9.5779797454435E+20
Height 9477791.0658522