20138943 (number)

20138943 is an odd 8-digits composite number following 20138942 and preceding 20138944. In scientific notation, it is written as 2.0138943 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 12205400 positive integers (up to 20138943) that are relatively prime to 20138943.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand nine hundred forty-three

Notation

Scientific notation 2.0138943 × 10^7
Engineering notation 2.0138943 × 10^6

Prime Factorization of 20138943

Prime Factorization 3 × 11 × 610271

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20138943
Product of the distinct prime numbers

The prime factorization of 20138943 is 3 × 11 × 610271. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20138943)

Multiplication

n×y
n×2 40277886
n×3 60416829
n×4 80555772
n×5 100694715

Division

n÷y
n÷2 10069471.5
n÷3 6712981
n÷3 5034735.75
n÷5 4027788.6

Exponentiation

ny
n2 405577025157249
n3 8.1678925917514E+21
n4 1.644927233354E+29
n5 3.3127095791665E+36

Nth Root

y√n
2√n 4487.6433681833
3√n 272.0688938448
4√n 66.989875116941
5√n 28.893977784682

Divisors of 20138943

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20138942
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20138943 can be divided by 8 positive divisors. The sum of these divisors (counting 20138943) is 1, the average is 0.125.

Base conversion 20138943

Base System Value
2 Binary 1001100110100101110111111
3 Ternary 1101220011102210
4 Quaternary 1030310232333
5 Quinary 20123421233
6 Senary 1555351503
8 Octal 114645677
10 Decimal 20138943
12 Duodecimal 68b2593
16 Hexadecimal 1334bbf
20 Vigesimal 65h773
36 Base36 bznb3

Cryptographic Hash Functions

md5 c0a62a63a6de0c05ffed934391f80181
sha1 7044d2f33f163aac68e78a7d8b164eb7799c249c
sha256 9dccfcbcd36143a1159b7fc383a77fe919d739d24bf04abaed7e3871a039fe75
sha512 9b4f45eb39eba2fe0e178359627f0930c75fd68ac2f2ce279f811bb25677a9ee4ded5a73df307014058b0e2e8662630a581597bb5f76dc32eb02aafbe0892c46
ripemd-160 e672d0fc45ebbc4c970b6bd831c936701abc7cf5

20138943 as geometric shapes

Circle

Radius = n
Diameter 40277886
Circumference 126536710.75973
Area 1.2741578026988E+15

Sphere

Radius = n
Volume 3.4213588482076E+22
Surface area 5.0966312107953E+15
Circumference 126536710.75973

Square

Length = n
Perimeter 80555772
Area 405577025157249
Diagonal 28480766.322459

Cube

Length = n
Surface area 2433462150943494
Volume 8.1678925917514E+21
Space diagonal 34881672.486734

Equilateral Triangle

Length = n
Perimeter 60416829
Area 1.7562000348875E+14
Altitude 17440836.243367

Triangular Pyramid

Length = n
Surface area 1.7562000348875E+14
Volume 9.625953732718E+20
Height 9493588.7741529